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# [Security](index.yml)
## [Identity and access management](identity-protection/index.md)
## [Information protection](information-protection/index.md)
## [Hardware-based protection](hardware-protection/index.md)
## [Threat protection](threat-protection/index.md)

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# [Hardware-based protection](index.md)
## [Encrypted Hard Drive](encrypted-hard-drive.md)
## [Windows Defender System Guard](how-hardware-based-containers-help-protect-windows.md)
## [Secure the Windows 10 boot process](secure-the-windows-10-boot-process.md)
## [Trusted Platform Module](tpm/trusted-platform-module-top-node.md)
### [Trusted Platform Module Overview](tpm/trusted-platform-module-overview.md)
### [TPM fundamentals](tpm/tpm-fundamentals.md)
### [How Windows 10 uses the TPM](tpm/how-windows-uses-the-tpm.md)
### [TPM Group Policy settings](tpm/trusted-platform-module-services-group-policy-settings.md)
### [Back up the TPM recovery information to AD DS](tpm/backup-tpm-recovery-information-to-ad-ds.md)
### [Manage TPM commands](tpm/manage-tpm-commands.md)
### [Manage TPM lockout](tpm/manage-tpm-lockout.md)
### [Change the TPM owner password](tpm/change-the-tpm-owner-password.md)
### [View status, clear, or troubleshoot the TPM](tpm/initialize-and-configure-ownership-of-the-tpm.md)
### [Understanding PCR banks on TPM 2.0 devices](tpm/switch-pcr-banks-on-tpm-2-0-devices.md)
### [TPM recommendations](tpm/tpm-recommendations.md)

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---
title: How hardware-based containers help protect Windows 10 (Windows 10)
description: Windows 10 uses containers to isolate sensitive system services and data, enabling them to remain secure even when the operating system has been compromised.
ms.assetid: 8d6e0474-c475-411b-b095-1c61adb2bdbb
ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
ms.pagetype: security
author: justinha
ms.date: 06/29/2017
---
# How hardware-based containers help protect Windows 10
Windows 10 uses containers to isolate sensitive system services and data, enabling them to remain secure even when the operating system has been compromised.
Windows 10 protects critical resources, such as the Windows authentication stack, single sign-on tokens, Windows Hello biometric stack, and Virtual Trusted Platform Module, by using a container type called Windows Defender System Guard.
Windows Defender System Guard reorganizes the existing Windows 10 system integrity features under one roof and sets up the next set of investments in Windows security. It's designed to make the these security guarantees:
- Protect and maintain the integrity of the system as it starts up
- Protect and maintain the integrity of the system after it's running
- Validate that system integrity has truly been maintained through local and remote attestation
## Maintaining the integrity of the system as it starts
With Windows 7, one of the means attackers would use to persist and evade detection was to install what is often referred to as a bootkit or rootkit on the system. This malicious software would start before Windows started, or during the boot process itself, enabling it to start with the highest level of privilege.
With Windows 10 running on modern hardware (that is, Windows 8-certified or greater) we have a hardware-based root of trust that helps us ensure that no unauthorized firmware or software (such as a bootkit) can start before the Windows bootloader. This hardware-based root of trust comes from the devices [Secure Boot feature](https://docs.microsoft.com/previous-versions/windows/it-pro/windows-8.1-and-8/hh824987), which is part of the Unified Extensible Firmware Interface (UEFI).
After successful verification and startup of the devices firmware and Windows bootloader, the next opportunity for attackers to tamper with the systems integrity is while the rest of the Windows operating system and defenses are starting. As an attacker, embedding your malicious code using a rootkit within the boot process enables you to gain the maximum level of privilege and gives you the ability to more easily persist and evade detection.
This is where Windows Defender System Guard protection begins with its ability to ensure that only properly signed and secure Windows files and drivers, including third party, can start on the device. At the end of the Windows boot process, System Guard will start the systems antimalware solution, which scans all third party drivers, at which point the system boot process is completed. In the end, Windows Defender System Guard helps ensure that the system securely boots with integrity and that it hasnt been compromised before the remainder of your system defenses start.
![Boot time integrity](images/windows-defender-system-guard-boot-time-integrity.png)
## Maintaining integrity of the system after its running (run time)
Prior to Windows 10, if an attacker exploited the system and gained SYSTEM level privilege or they compromised the kernel itself, it was game over. The level of control that an attacker would acquire in this condition would enable them to tamper with and bypass many, if not all, of your system defenses. While we have a number of development practices and technologies (such as Windows Defender Exploit Guard) that have made it difficult to gain this level of privilege in Windows 10, the reality is that we needed a way to maintain the integrity of the most sensitive Windows services and data, even when the highest level of privilege has been secured by an adversary.
With Windows 10, we introduced the concept of virtualization-based security (VBS), which enables us to contain the most sensitive Windows services and data in hardware-based isolation, which is the Windows Defender System Guard container. This secure environment provides us with the hardware-based security boundary we need to be able to secure and maintain the integrity of critical system services at run time like Credential Guard, Device Guard, Virtual TPM and parts of Windows Defender Exploit Guard, just to name a few.
![Windows Defender System Guard](images/windows-defender-system-guard.png)
## Validating platform integrity after Windows is running (run time)
While Windows Defender System Guard provides advanced protection that will help protect and maintain the integrity of the platform during boot and at run time, the reality is that we must apply an "assume breach" mentality to even our most sophisticated security technologies. We should be able to trust that the technologies are successfully doing their jobs, but we also need the ability to verify that they were successful in achieving their goals. When it comes to platform integrity, we cant just trust the platform, which potentially could be compromised, to self-attest to its security state. So Windows Defender System Guard includes a series of technologies that enable remote analysis of the devices integrity.
As Windows 10 boots, a series of integrity measurements are taken by Windows Defender System Guard using the devices Trusted Platform Module 2.0 (TPM 2.0). This process and data are hardware-isolated away from Windows to help ensure that the measurement data is not subject to the type of tampering that could happen if the platform was compromised. From here, the measurements can be used to determine the integrity of the devices firmware, hardware configuration state, and Windows boot-related components, just to name a few. After the system boots, Windows Defender System Guard signs and seals these measurements using the TPM. Upon request, a management system like Intune or System Center Configuration Manager can acquire them for remote analysis. If Windows Defender System Guard indicates that the device lacks integrity, the management system can take a series of actions, such as denying the device access to resources.
![Windows Defender System Guard](images/windows-defender-system-guard-validate-system-integrity.png)

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---
title: Hardware-based Protection (Windows 10)
description: Learn more about how to help protect against threats in Windows 10 and Windows 10 Mobile.
ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
ms.pagetype: security
author: brianlic-msft
ms.date: 02/05/2018
---
# Hardware-based protection
Windows 10 leverages these hardware-based security features to protect and maintain system integrity.
| Section | Description |
|-|-|
| [Encrypted Hard Drive](encrypted-hard-drive.md) | Provides information about Encrypted Hard Drive, which uses the rapid encryption that is provided by BitLocker Drive Encryption to enhance data security and management.|
|[How hardware-based containers help protect Windows 10](how-hardware-based-containers-help-protect-windows.md) |Learn about how hardware-based containers can isolate sensitive system services and data, enabling them to remain secure even when the operating system has been compromised.|
|[Secure the Windows 10 boot process](secure-the-windows-10-boot-process.md) |Learn about the Windows 10 security features that help to protect your PC from malware, including rootkits and other applications.|
| [Trusted Platform Module](tpm/trusted-platform-module-top-node.md)| Provides links to information about the Trusted Platform Module (TPM), which is a secure crypto-processor that helps you with actions such as generating, storing, and limiting the use of cryptographic keys. |

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## [Install digital certificates on Windows 10 Mobile](installing-digital-certificates-on-windows-10-mobile.md)
## [How hardware-based containers help protect Windows 10](how-hardware-based-containers-help-protect-windows.md)
## [Windows Defender System Guard](how-hardware-based-containers-help-protect-windows.md)
## [Protect derived domain credentials with Credential Guard](credential-guard/credential-guard.md)
### [How Credential Guard works](credential-guard/credential-guard-how-it-works.md)
@ -28,7 +28,6 @@
### [Credential Guard: Additional mitigations](credential-guard/additional-mitigations.md)
### [Credential Guard: Known issues](credential-guard/credential-guard-known-issues.md)
## [Protect Remote Desktop credentials with Remote Credential Guard](remote-credential-guard.md)
## [Smart Cards](smart-cards/smart-card-windows-smart-card-technical-reference.md)

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@ -5,7 +5,7 @@ ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
ms.pagetype: security
ms.date: 04/19/2017
ms.date: 07/30/2018
---
# Local Accounts
@ -114,11 +114,11 @@ Even when the Administrator account has been disabled, it can still be used to g
### <a href="" id="sec-guest"></a>Guest account
The Guest account (SID S-1-5-32-546) is disabled by default on installation. The Guest account lets occasional or one-time users, who do not have an account on the computer, temporarily sign in to the local server or client computer with limited user rights. By default, the Guest account has a blank password. Because the Guest account can provide anonymous access, it is a security risk. For this reason, it is a best practice to leave the Guest account disabled, unless its use is entirely necessary.
The Guest account is disabled by default on installation. The Guest account lets occasional or one-time users, who do not have an account on the computer, temporarily sign in to the local server or client computer with limited user rights. By default, the Guest account has a blank password. Because the Guest account can provide anonymous access, it is a security risk. For this reason, it is a best practice to leave the Guest account disabled, unless its use is entirely necessary.
**Account group membership**
By default, the Guest account is the only member of the default Guests group, which lets a user sign in to a server. On occasion, an administrator who is a member of the Administrators group can set up a user with a Guest account on one or more computers.
By default, the Guest account is the only member of the default Guests group (SID S-1-5-32-546), which lets a user sign in to a server. On occasion, an administrator who is a member of the Administrators group can set up a user with a Guest account on one or more computers.
**Security considerations**

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@ -23,16 +23,16 @@ Hybrid environments are distributed systems that enable organizations to use on-
The distributed systems on which these technologies were built involved several pieces of on-premises and cloud infrastructure. High-level pieces of the infrastructure include:
* [Directories](#directories)
* [Public Key Infrastucture](#public-key-infastructure)
* [Public Key Infrastructure](#public-key-infrastructure)
* [Directory Synchronization](#directory-synchronization)
* [Federation](#federation)
* [MultiFactor Authetication](#multifactor-authentication)
* [Device Registration](#device-registration)
## Directories ##
Hybrid Windows Hello for Business needs two directories: on-premises Active Directory and a cloud Azure Active Directory. The minimum required domain functional and forest functional levels for Windows Hello for Business deployment is Windows Server 2008 R2. The
Hybrid Windows Hello for Business needs two directories: on-premises Active Directory and a cloud Azure Active Directory. The minimum required domain functional and forest functional levels for Windows Hello for Business deployment is Windows Server 2008 R2.
A hybrid Windows Hello for Busines deployment needs an Azure Active Directory subscription. The hybrid key trust deployment, does not need a premium Azure Active Directory subscription.
A hybrid Windows Hello for Business deployment needs an Azure Active Directory subscription. The hybrid key trust deployment, does not need a premium Azure Active Directory subscription.
You can deploy Windows Hello for Business in any environment with Windows Server 2008 R2 or later domain controllers. However, the key trust deployment needs an ***adequate*** number of Windows Server 2016 domain controllers at each site where users authenticate using Windows Hello for Business. Read the [Planning an adequate number of Windows Server 2016 Domain Controllers for Windows Hello for Business deployments](hello-adequate-domain-controllers.md) to learn more.
@ -52,13 +52,13 @@ Review these requirements and those from the Windows Hello for Business planning
## Public Key Infrastructure ##
The Windows Hello for Business deployment depends on an enterprise public key infrastructure as trust anchor for authentication. Domain controllers for hybrid deployments need a certificate in order for Windows 10 devices to trust the domain controller.
Key trust deployments do not need client issued certificates for on-premises authentication. Active Directory user accounts are automatically configured for public key mapping by Azure AD Connect synchronizing the public key of the registered Windows Hello for Business credential to an attribute on the user's Active Diretory object.
Key trust deployments do not need client issued certificates for on-premises authentication. Active Directory user accounts are automatically configured for public key mapping by Azure AD Connect synchronizing the public key of the registered Windows Hello for Business credential to an attribute on the user's Active Directory object.
The minimum required enterprise certificate authority that can be used with Windows Hello for Business is Windows Server 2012.
> [!IMPORTANT]
> For Azure AD joined device to authenticate to and use on-premises resources, ensure you:
> * Install the root certificate authority certificate for your organization in the user's trusted root certifcate store.
> * Install the root certificate authority certificate for your organization in the user's trusted root certificate store.
> * Publish your certificate revocation list to a location that is available to Azure AD joined devices, such as a web-based url.
### Section Review
@ -99,12 +99,12 @@ Hybrid Windows Hello for Business deployments can use Azures Multifactor Auth
> [!div class="checklist"]
> * Azure MFA Service
> * Windows Server 2016 AD FS and Azure (optional, if federated)
> * Windows Server 2016 AD FS and third party MFA Adapter (optional, if federated)
> * Windows Server 2016 AD FS and third-party MFA Adapter (optional, if federated)
<br>
## Device Registration ##
Organizations wanting to deploy hybrid key trust need thier domain joined devices to register to Azure Active Directory. Just as a computer has an identity in Active Directory, that same computer has an identity in the cloud. This ensures that only approved computers are used with that Azure Active Directory. Each computer registers its identity in Azure Active Directory.
Organizations wanting to deploy hybrid key trust need their domain joined devices to register to Azure Active Directory. Just as a computer has an identity in Active Directory, that same computer has an identity in the cloud. This ensures that only approved computers are used with that Azure Active Directory. Each computer registers its identity in Azure Active Directory.
### Section Checklist ###
@ -114,11 +114,11 @@ Organizations wanting to deploy hybrid key trust need thier domain joined device
<br>
### Next Steps ###
Follow the Windows Hello for Business hybrid key trust deployment guide. For proof-of-concepts, labs, and new installations, choose the **New Installation Basline**.
Follow the Windows Hello for Business hybrid key trust deployment guide. For proof-of-concepts, labs, and new installations, choose the **New Installation Baseline**.
For environments transitioning from on-premises to hybrid, start with **Configure Azure Directory Syncrhonization**.
For environments transitioning from on-premises to hybrid, start with **Configure Azure Directory Synchronization**.
For federerated and non-federated environments, start with **Configure Windows Hello for Business settings**.
For federated and non-federated environments, start with **Configure Windows Hello for Business settings**.
> [!div class="op_single_selector"]
> - [New Installation Baseline](hello-hybrid-key-new-install.md)
@ -131,7 +131,7 @@ For federerated and non-federated environments, start with **Configure Windows H
## Follow the Windows Hello for Business hybrid key trust deployment guide
1. [Overview](hello-hybrid-key-trust.md)
2. Prerequistes (*You are here*)
2. Prerequisites (*You are here*)
3. [New Installation Baseline](hello-hybrid-key-new-install.md)
4. [Configure Directory Synchronization](hello-hybrid-key-trust-dirsync.md)
5. [Configure Azure Device Registration](hello-hybrid-key-trust-devreg.md)

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@ -45,11 +45,11 @@ The provisioning flow has all the information it needs to complete the Windows H
* A fresh, successful multi-factor authentication
* A validated PIN that meets the PIN complexity requirements
The remainder of the provisioning includes Windows Hello for Business requesting an asymmetric key pair for the user, preferably from the TPM (or required if explicitly set through policy). Once the key pair is acquired, Windows communicates with Azure Active Directory to register the public key. When key registration completes, Windows Hello for Business provisioning informs the user they can use their PIN to sign-in. The user may close the provisiong application and see their desktop. While the user has completed provisioning, Azure AD Connect syncrhonizes the user's key to Active Directory.
The remainder of the provisioning includes Windows Hello for Business requesting an asymmetric key pair for the user, preferably from the TPM (or required if explicitly set through policy). Once the key pair is acquired, Windows communicates with Azure Active Directory to register the public key. When key registration completes, Windows Hello for Business provisioning informs the user they can use their PIN to sign-in. The user may close the provisioning application and see their desktop. While the user has completed provisioning, Azure AD Connect synchronizes the user's key to Active Directory.
> [!IMPORTANT]
> The minimum time needed to syncrhonize the user's public key from Azure Active Directory to the on-premises Active Directory is 30 minutes. The Azure AD Connect scheduler controls the synchronization interval.
> **This synchronization latency delays the user's ability to authenticate and use on-premises resouces until the user's public key has synchronized to Active Directory.** Once synchronized, the user can authenticate and use on-premises resources.
> The minimum time needed to synchronize the user's public key from Azure Active Directory to the on-premises Active Directory is 30 minutes. The Azure AD Connect scheduler controls the synchronization interval.
> **This synchronization latency delays the user's ability to authenticate and use on-premises resources until the user's public key has synchronized to Active Directory.** Once synchronized, the user can authenticate and use on-premises resources.
> Read [Azure AD Connect sync: Scheduler](https://docs.microsoft.com/en-us/azure/active-directory/connect/active-directory-aadconnectsync-feature-scheduler) to view and adjust the **synchronization cycle** for your organization.
> [!NOTE]

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@ -18,7 +18,7 @@ ms.date: 10/23/2017
>This guide only applies to Hybrid deployments for Windows 10, version 1703 or higher.
Configure the appropriate security groups to effeiciently deploy Windows Hello for Business to users.
Configure the appropriate security groups to efficiently deploy Windows Hello for Business to users.
### Creating Security Groups
@ -58,4 +58,4 @@ Sign-in a domain controller or management workstation with *Domain Admin* equiva
4. [Configure Directory Synchronization](hello-hybrid-key-trust-dirsync.md)
5. [Configure Azure Device Registration](hello-hybrid-key-trust-devreg.md)
6. Configure Windows Hello for Business settings: Active Directory (*You are here*)
7. [Sign-in and Provision](hello-hybrid-key-whfb-provision.md)
7. [Sign-in and Provision](hello-hybrid-key-whfb-provision.md)

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@ -19,13 +19,13 @@ ms.date: 10/23/2017
>This guide only applies to Hybrid deployments for Windows 10, version 1703 or higher.
Windows Hello for Business deployments rely on certificates. Hybrid deployments uses publicly issued server authentication certifcates to validate the name of the server to which they are connecting and to encyrpt the data that flows them and the client computer.
Windows Hello for Business deployments rely on certificates. Hybrid deployments uses publicly issued server authentication certificates to validate the name of the server to which they are connecting and to encrypt the data that flows them and the client computer.
All deployments use enterprise issued certificates for domain controllers as a root of trust.
## Certifcate Templates
## Certificate Templates
This section has you configure certificate templates on your Windows Server 2012 or later issuing certificate authtority.
This section has you configure certificate templates on your Windows Server 2012 or later issuing certificate authority.
### Domain Controller certificate template
@ -49,7 +49,7 @@ Sign-in a certificate authority or management workstations with _Domain Admin_ e
7. On the **Cryptography** tab, select **Key Storage Provider** from the **Provider Category** list. Select **RSA** from the **Algorithm name** list. Type **2048** in the **Minimum key size** text box. Select **SHA256** from the **Request hash** list. Click **OK**.
8. Close the console.
#### Configure Certificate Suspeding for the Domain Controller Authentication (Kerberos) Certificate Template
#### Configure Certificate Superseding for the Domain Controller Authentication (Kerberos) Certificate Template
Many domain controllers may have an existing domain controller certificate. The Active Directory Certificate Services provides a default certificate template for domain controllers--the domain controller certificate template. Later releases provided a new certificate template--the domain controller authentication certificate template. These certificate templates were provided prior to update of the Kerberos specification that stated Key Distribution Centers (KDCs) performing certificate authentication needed to include the **KDC Authentication** extension.
@ -108,7 +108,7 @@ Sign-in to the certificate authority or management workstation with _Enterprise
## Follow the Windows Hello for Business hybrid key trust deployment guide
1. [Overview](hello-hybrid-cert-trust.md)
2. [Prerequistes](hello-hybrid-key-trust-prereqs.md)
2. [Prerequisites](hello-hybrid-key-trust-prereqs.md)
3. [New Installation Baseline](hello-hybrid-key-new-install.md)
4. [Configure Directory Synchronization](hello-hybrid-key-trust-dirsync.md)
5. [Configure Azure Device Registration](hello-hybrid-key-trust-devreg.md)

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@ -67,7 +67,7 @@ The Windows Hello for Business Group Policy object delivers the correct Group Po
#### Enable Windows Hello for Business
The Enable Windows Hello for Business Group Policy setting is the configuration needed for Windows to determine if a user should be attempt to enroll for Windows Hello for Business. A user will only attempt enrollment if this policy setting is configured to enabled.
The Enable Windows Hello for Business Group Policy setting is the configuration needed for Windows to determine if a user should attempt to enroll for Windows Hello for Business. A user will only attempt enrollment if this policy setting is configured to enabled.
You can configure the Enable Windows Hello for Business Group Policy setting for computer or users. Deploying this policy setting to computers results in ALL users that sign-in that computer to attempt a Windows Hello for Business enrollment. Deploying this policy setting to a user results in only that user attempting a Windows Hello for Business enrollment. Additionally, you can deploy the policy setting to a group of users so only those users attempt a Windows Hello for Business enrollment. If both user and computer policy settings are deployed, the user policy setting has precedence.
@ -163,7 +163,7 @@ Users must receive the Windows Hello for Business group policy settings and have
## Follow the Windows Hello for Business hybrid key trust deployment guide
1. [Overview](hello-hybrid-cert-trust.md)
2. [Prerequistes](hello-hybrid-key-trust-prereqs.md)
2. [Prerequisites](hello-hybrid-key-trust-prereqs.md)
3. [New Installation Baseline](hello-hybrid-key-new-install.md)
4. [Configure Directory Synchronization](hello-hybrid-key-trust-dirsync.md)
5. [Configure Azure Device Registration](hello-hybrid-key-trust-devreg.md)

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@ -21,7 +21,7 @@ ms.date: 10/23/2017
You are ready to configure your hybrid key trust environment for Windows Hello for Business.
> [!IMPORTANT]
> Ensure your environment meets all the [prerequistes](hello-hybrid-key-trust-prereqs.md) before proceeding. Review the [New Installation baseline](hello-hybrid-key-new-install.md) section of this deployment document to learn how to prepare your environment for your Windows Hello for Business deployment.
> Ensure your environment meets all the [prerequisites](hello-hybrid-key-trust-prereqs.md) before proceeding. Review the [New Installation baseline](hello-hybrid-key-new-install.md) section of this deployment document to learn how to prepare your environment for your Windows Hello for Business deployment.
The configuration for Windows Hello for Business is grouped in four categories. These categories are:
* [Active Directory](hello-hybrid-key-whfb-settings-ad.md)
@ -45,4 +45,4 @@ For the most efficent deployment, configure these technologies in order beginnin
4. [Configure Directory Synchronization](hello-hybrid-key-trust-dirsync.md)
5. [Configure Azure Device Registration](hello-hybrid-key-trust-devreg.md)
6. Configure Windows Hello for Business settings (*You are here*)
7. [Sign-in and Provision](hello-hybrid-key-whfb-provision.md)
7. [Sign-in and Provision](hello-hybrid-key-whfb-provision.md)

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@ -7,54 +7,46 @@ ms.mktglfcycl: deploy
ms.sitesec: library
ms.pagetype: security
author: justinha
ms.date: 06/29/2017
ms.date: 08/01/2018
---
# How hardware-based containers help protect Windows 10
# Windows Defender System Guard: How hardware-based containers help protect Windows 10
Windows 10 uses containers to isolate sensitive system services and data, enabling them to remain secure even when the operating system has been compromised.
Windows 10 protects critical resources, such as the Windows authentication stack, single sign-on tokens, Windows Hello biometric stack, and Virtual Trusted Platform Module, by using a container type called Windows Defender System Guard.
Protecting system services and data with Windows Defender System Guard is an important first step, but is just the beginning of what we need to do as it doesnt protect the rest of the operating system, information on the device, other apps, or the network.
Since systems are generally compromised through the application layer, and often though browsers, Windows 10 includes Windows Defender Application Guard to isolate Microsoft Edge from the operating system, information on the device, and the network.
With this, Windows can start to protect the broader range of resources.
Windows Defender System Guard reorganizes the existing Windows 10 system integrity features under one roof and sets up the next set of investments in Windows security. It's designed to make the these security guarantees:
The following diagram shows Windows Defender System Guard and Windows Defender Application Guard in relation to the Windows 10 operating system.
- Protect and maintain the integrity of the system as it starts up
- Protect and maintain the integrity of the system after it's running
- Validate that system integrity has truly been maintained through local and remote attestation
![Application Guard and System Guard](images/application-guard-and-system-guard.png)
## Maintaining the integrity of the system as it starts
## What security threats do containers protect against
With Windows 7, one of the means attackers would use to persist and evade detection was to install what is often referred to as a bootkit or rootkit on the system. This malicious software would start before Windows started, or during the boot process itself, enabling it to start with the highest level of privilege.
Exploiting zero days and vulnerabilities are an increasing threat that attackers are attempting to take advantage of.
The following diagram shows the traditional Windows software stack: a kernel with an app platform, and an app running on top of it.
Lets look at how an attacker might elevate privileges and move down the stack.
With Windows 10 running on modern hardware (that is, Windows 8-certified or greater) we have a hardware-based root of trust that helps us ensure that no unauthorized firmware or software (such as a bootkit) can start before the Windows bootloader. This hardware-based root of trust comes from the devices Secure Boot feature, which is part of the Unified Extensible Firmware Interface (UEFI).
![Traditional Windows software stack](images/traditional-windows-software-stack.png)
After successful verification and startup of the devices firmware and Windows bootloader, the next opportunity for attackers to tamper with the systems integrity is while the rest of the Windows operating system and defenses are starting. As an attacker, embedding your malicious code using a rootkit within the boot process enables you to gain the maximum level of privilege and gives you the ability to more easily persist and evade detection.
In desktop operating systems, those apps typically run under the context of the users privileges.
If the app was malicious, it would have access to all the files in the file system, all the settings that you as a user Standard user have access to, and so on.
This is where Windows Defender System Guard protection begins with its ability to ensure that only properly signed and secure Windows files and drivers, including third party, can start on the device. At the end of the Windows boot process, System Guard will start the systems antimalware solution, which scans all third party drivers, at which point the system boot process is completed. In the end, Windows Defender System Guard helps ensure that the system securely boots with integrity and that it hasnt been compromised before the remainder of your system defenses start.
A different type of app may run under the context of an Administrator.
If attackers exploit a vulnerability in that app, they could gain Administrator privileges.
Then they can start turning off defenses.
![Boot time integrity](images/windows-defender-system-guard-boot-time-integrity.png)
They can poke down a little bit lower in the stack and maybe elevate to System, which is greater than Administrator.
Or if they can exploit the kernel mode, they can turn on and turn off all defenses, while at the same time making the computer look healthy.
SecOps tools could report the computer as healthy when in fact its completely under the control of someone else.
## Maintaining integrity of the system after its running (run time)
One way to address this threat is to use a sandbox, as smartphones do.
That puts a layer between the app layer and the Windows platform services.
Universal Windows Platform (UWP) applications work this way.
But what if a vulnerability in the sandbox exists?
The attacker can escape and take control of the system.
Prior to Windows 10, if an attacker exploited the system and gained SYSTEM level privilege or they compromised the kernel itself, it was game over. The level of control that an attacker would acquire in this condition would enable them to tamper with and bypass many, if not all, of your system defenses. While we have a number of development practices and technologies (such as Windows Defender Exploit Guard) that have made it difficult to gain this level of privilege in Windows 10, the reality is that we needed a way to maintain the integrity of the most sensitive Windows services and data, even when the highest level of privilege has been secured by an adversary.
## How containers help protect Windows 10
With Windows 10, we introduced the concept of virtualization-based security (VBS), which enables us to contain the most sensitive Windows services and data in hardware-based isolation, which is the Windows Defender System Guard container. This secure environment provides us with the hardware-based security boundary we need to be able to secure and maintain the integrity of critical system services at run time like Credential Guard, Device Guard, Virtual TPM and parts of Windows Defender Exploit Guard, just to name a few.
Windows 10 addresses this by using virtualization based security to isolate more and more components out of Windows (left side) over time and moving those components into a separate, isolated hardware container.
The container helps prevent zero days and vulnerabilities from allowing an attacker to take control of a device.
![Windows Defender System Guard](images/windows-defender-system-guard.png)
Anything that's running in that container on the right side will be safe, even from Windows, even if the kernel's compromised.
Anything that's running in that container will also be secure against a compromised app.
Initially, Windows Defender System Guard will protect things like authentication and other system services and data that needs to resist malware, and more things will be protected over time.
## Validating platform integrity after Windows is running (run time)
![Windows Defender System Guard](images/windows-defender-system-guard.png)
While Windows Defender System Guard provides advanced protection that will help protect and maintain the integrity of the platform during boot and at run time, the reality is that we must apply an "assume breach" mentality to even our most sophisticated security technologies. We should be able to trust that the technologies are successfully doing their jobs, but we also need the ability to verify that they were successful in achieving their goals. When it comes to platform integrity, we cant just trust the platform, which potentially could be compromised, to self-attest to its security state. So Windows Defender System Guard includes a series of technologies that enable remote analysis of the devices integrity.
As Windows 10 boots, a series of integrity measurements are taken by Windows Defender System Guard using the devices Trusted Platform Module 2.0 (TPM 2.0). This process and data are hardware-isolated away from Windows to help ensure that the measurement data is not subject to the type of tampering that could happen if the platform was compromised. From here, the measurements can be used to determine the integrity of the devices firmware, hardware configuration state, and Windows boot-related components, just to name a few. After the system boots, Windows Defender System Guard signs and seals these measurements using the TPM. Upon request, a management system like Intune or System Center Configuration Manager can acquire them for remote analysis. If Windows Defender System Guard indicates that the device lacks integrity, the management system can take a series of actions, such as denying the device access to resources.
![Windows Defender System Guard](images/windows-defender-system-guard-validate-system-integrity.png)

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@ -6,8 +6,8 @@ ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
ms.pagetype: security
author: brianlic-msft
ms.date: 04/19/2017
author: Justinha
ms.date: 07/30/2018
---
# Configure the Workstation Authentication Certificate Template
@ -36,7 +36,7 @@ To complete these procedures, you must be a member of both the Domain Admins gro
6. Click the **Subject Name** tab. Make sure that **Build from this Active Directory information** is selected. In **Subject name format**, select **Fully distinguished name**.
7. Click the **Request Handling** tab. You must determine the best minimum key size for your environment. Large key sizes provide better security, but they can affect server performance. We recommended that you use the default setting of 2048.
7. Click the **Cryptography** tab. You must determine the best minimum key size for your environment. Large key sizes provide better security, but they can affect server performance. We recommended that you use the default setting of 2048.
8. Click the **Security** tab. In **Group or user names**, click **Domain Computers**, under **Allow**, select **Enroll** and **Autoenroll**, and then click **OK**.

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@ -85,10 +85,10 @@ sections:
Prevent, detect, investigate, and respond to advanced threats. The following capabilities are available across multiple products that make up the Windows Defender ATP platform.
<br>&nbsp;<br>
<table border='0'><tr><td><b>Attack surface reduction</b></td><td><b>Next generation protection</b></td><td><b>Endpoint detection and response</b></td><td><b>Auto investigation and remediation</b></td><td><b>Security posture</b></td></tr>
<tr><td>[Hardware based isolation](https://docs.microsoft.com/en-us/windows/security/hardware-protection/how-hardware-based-containers-help-protect-windows)<br><br>[Application control](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-application-control/windows-defender-application-control)<br><br>[Exploit protection](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-exploit-guard/windows-defender-exploit-guard)<br><br>[Network protection](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-exploit-guard/network-protection-exploit-guard)<br><br>[Device restrictions](https://docs.microsoft.com/en-us/intune/device-restrictions-configure)<br><br>[Controlled folder access](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-exploit-guard/controlled-folders-exploit-guard)<br><br>[Network firewall](https://docs.microsoft.com/en-us/windows/security/identity-protection/windows-firewall/windows-firewall-with-advanced-security)<br><br>[Attack surface reduction controls](https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-exploit-guard/attack-surface-reduction-exploit-guard)</td>
<td>[Antivirus](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/windows-defender-antivirus-in-windows-10)<br><br>[Machine learning](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/utilize-microsoft-cloud-protection-windows-defender-antivirus)<br><br>[Automated sandbox service](https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-antivirus/configure-block-at-first-sight-windows-defender-antivirus)</td>
<td>[Alerts queue](https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-atp/alerts-queue-windows-defender-advanced-threat-protection)<br><br>[Historical endpoint data](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/investigate-machines-windows-defender-advanced-threat-protection#machine-timeline)<br><br>[Realtime and historical threat hunting](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/advanced-hunting-windows-defender-advanced-threat-protection)<br><br>[API and SIEM integration](https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-atp/configure-siem-windows-defender-advanced-threat-protection)<br><br>[Response orchestration](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/response-actions-windows-defender-advanced-threat-protection)<br><br>[Forensic collection](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/respond-machine-alerts-windows-defender-advanced-threat-protection#collect-investigation-package-from-machines)<br><br>[Threat intelligence](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/threat-indicator-concepts-windows-defender-advanced-threat-protection)<br><br>[Advanced detonation and analysis service](https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-atp/respond-file-alerts-windows-defender-advanced-threat-protection#deep-analysis)</td>
<td>[Automated investigation and remediation](https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-atp/automated-investigations-windows-defender-advanced-threat-protection)<br><br>[Threat remediation](https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-atp/automated-investigations-windows-defender-advanced-threat-protection#how-threats-are-remediated)<br><br>[Manage automated investigations](https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-atp/automated-investigations-windows-defender-advanced-threat-protection#manage-automated-investigations)<br><br>[Analyze automated investigation](https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-atp/automated-investigations-windows-defender-advanced-threat-protection#analyze-automated-investigations)</td>
<tr><td>[Hardware based isolation](https://docs.microsoft.com/windows/security/hardware-protection/how-hardware-based-containers-help-protect-windows)<br><br>[Application control](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-application-control/windows-defender-application-control)<br><br>[Exploit protection](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-exploit-guard/windows-defender-exploit-guard)<br><br>[Network protection](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-exploit-guard/network-protection-exploit-guard)<br><br>[Controlled folder access](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-exploit-guard/controlled-folders-exploit-guard)<br><br>[Network firewall](https://docs.microsoft.com/windows/security/identity-protection/windows-firewall/windows-firewall-with-advanced-security)<br><br>[Attack surface reduction controls](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-exploit-guard/attack-surface-reduction-exploit-guard)</td>
<td>[Antivirus](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/windows-defender-antivirus-in-windows-10)<br><br>[Machine learning](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/utilize-microsoft-cloud-protection-windows-defender-antivirus)<br><br>[Automated sandbox service](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/configure-block-at-first-sight-windows-defender-antivirus)</td>
<td>[Alerts queue](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/alerts-queue-windows-defender-advanced-threat-protection)<br><br>[Historical endpoint data](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/investigate-machines-windows-defender-advanced-threat-protection#machine-timeline)<br><br>[Realtime and historical threat hunting](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/advanced-hunting-windows-defender-advanced-threat-protection)<br><br>[API and SIEM integration](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/configure-siem-windows-defender-advanced-threat-protection)<br><br>[Response orchestration](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/response-actions-windows-defender-advanced-threat-protection)<br><br>[Forensic collection](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/respond-machine-alerts-windows-defender-advanced-threat-protection#collect-investigation-package-from-machines)<br><br>[Threat intelligence](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/threat-indicator-concepts-windows-defender-advanced-threat-protection)<br><br>[Advanced detonation and analysis service](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/respond-file-alerts-windows-defender-advanced-threat-protection#deep-analysis)</td>
<td>[Automated investigation and remediation](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/automated-investigations-windows-defender-advanced-threat-protection)<br><br>[Threat remediation](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/automated-investigations-windows-defender-advanced-threat-protection#how-threats-are-remediated)<br><br>[Manage automated investigations](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/automated-investigations-windows-defender-advanced-threat-protection#manage-automated-investigations)<br><br>[Analyze automated investigation](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/automated-investigations-windows-defender-advanced-threat-protection#analyze-automated-investigations)</td>
<td>[Asset inventory](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/secure-score-dashboard-windows-defender-advanced-threat-protection)<br><br>[Operating system baseline compliance](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/secure-score-dashboard-windows-defender-advanced-threat-protection)<br><br>[Recommended improvement actions](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/secure-score-dashboard-windows-defender-advanced-threat-protection)<br><br>[Secure score](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/secure-score-dashboard-windows-defender-advanced-threat-protection)<br><br>[Threat analytics](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/threat-analytics-dashboard-windows-defender-advanced-threat-protection)<br><br>[Reporting and trends](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/powerbi-reports-windows-defender-advanced-threat-protection)</td>
</tr>
</table>"

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@ -28,6 +28,7 @@
#### [Choose the Right BitLocker Countermeasure](bitlocker\choose-the-right-bitlocker-countermeasure.md)
### [Protecting cluster shared volumes and storage area networks with BitLocker](bitlocker\protecting-cluster-shared-volumes-and-storage-area-networks-with-bitlocker.md)
## [Encrypted Hard Drive](encrypted-hard-drive.md)
## [Protect your enterprise data using Windows Information Protection (WIP)](windows-information-protection\protect-enterprise-data-using-wip.md)
### [Create a Windows Information Protection (WIP) policy using Microsoft Intune](windows-information-protection\overview-create-wip-policy.md)
@ -53,3 +54,20 @@
#### [Using Outlook Web Access with Windows Information Protection (WIP)](windows-information-protection\using-owa-with-wip.md)
### [Fine-tune Windows Information Protection (WIP) with WIP Learning](windows-information-protection\wip-learning.md)
## [Secure the Windows 10 boot process](secure-the-windows-10-boot-process.md)
## [Trusted Platform Module](tpm/trusted-platform-module-top-node.md)
### [Trusted Platform Module Overview](tpm/trusted-platform-module-overview.md)
### [TPM fundamentals](tpm/tpm-fundamentals.md)
### [How Windows 10 uses the TPM](tpm/how-windows-uses-the-tpm.md)
### [TPM Group Policy settings](tpm/trusted-platform-module-services-group-policy-settings.md)
### [Back up the TPM recovery information to AD DS](tpm/backup-tpm-recovery-information-to-ad-ds.md)
### [Manage TPM commands](tpm/manage-tpm-commands.md)
### [Manage TPM lockout](tpm/manage-tpm-lockout.md)
### [Change the TPM owner password](tpm/change-the-tpm-owner-password.md)
### [View status, clear, or troubleshoot the TPM](tpm/initialize-and-configure-ownership-of-the-tpm.md)
### [Understanding PCR banks on TPM 2.0 devices](tpm/switch-pcr-banks-on-tpm-2-0-devices.md)
### [TPM recommendations](tpm/tpm-recommendations.md)

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@ -351,6 +351,7 @@ The following steps can be used to configure Network Unlock on these older syste
6. [Step Six: Configure registry settings for Network Unlock](#bkmk-stepsix)
Apply the registry settings by running the following certutil script on each computer running any of the client operating systems designated in the **Applies To** list at the beginning of this topic.
certutil -f -grouppolicy -addstore FVE_NKP BitLocker-NetworkUnlock.cer
reg add "HKLM\SOFTWARE\Policies\Microsoft\FVE" /v OSManageNKP /t REG_DWORD /d 1 /f
reg add "HKLM\SOFTWARE\Policies\Microsoft\FVE" /v UseAdvancedStartup /t REG_DWORD /d 1 /f

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@ -85,13 +85,13 @@ DMA-based expansion slots are another avenue of attack, but these slots generall
To mitigate a port-based DMA attack an administrator can configure policy settings to disable FireWire and other device types that have DMA. Also, many PCs allow those devices to be disabled by using firmware settings. Although the need for pre-boot authentication can be eliminated at the device level or through Windows configuration, the BitLocker pre-boot authentication feature is still available when needed. When used, it successfully mitigates all types of DMA port and expansion slot attacks on any type of device.
### Hyberfil.sys Attacks
### Hiberfil.sys Attacks
The hyberfil.sys file is the Windows hibernation file. It contains a snapshot of system memory that is generated when a device goes into hibernation and includes the encryption key for BitLocker and other encryption technologies. Attackers have claimed that they have successfully extracted encryption keys from the hyberfil.sys file.
The hiberfil.sys file is the Windows hibernation file. It contains a snapshot of system memory that is generated when a device goes into hibernation and includes the encryption key for BitLocker and other encryption technologies. Attackers have claimed that they have successfully extracted encryption keys from the hiberfil.sys file.
Like the DMA port attack discussed in the previous section, tools are available that can scan the hyberfile.sys file and locate the encryption key, including a tool made by [Passware](http://www.lostpassword.com/). Microsoft does not consider Windows to be vulnerable to this type of attack, because Windows stores the hyberfil.sys file within the encrypted system volume. As a result, the file would be accessible only if the attacker had both physical and sign-in access to the PC. When an attacker has sign-in access to the PC, there are few reasons for the attacker to decrypt the drive, because they would already have full access to the data within it.
Like the DMA port attack discussed in the previous section, tools are available that can scan the hiberfile.sys file and locate the encryption key, including a tool made by [Passware](http://www.lostpassword.com/). Microsoft does not consider Windows to be vulnerable to this type of attack, because Windows stores the hiberfil.sys file within the encrypted system volume. As a result, the file would be accessible only if the attacker had both physical and sign-in access to the PC. When an attacker has sign-in access to the PC, there are few reasons for the attacker to decrypt the drive, because they would already have full access to the data within it.
In practice, the only reason an attack on hyberfil.sys would grant an attacker additional access is if an administrator had changed the default Windows configuration and stored the hyberfil.sys file on an unencrypted drive. By default, Windows 10 is designed to be secure against this type of attack.
In practice, the only reason an attack on hiberfil.sys would grant an attacker additional access is if an administrator had changed the default Windows configuration and stored the hiberfil.sys file on an unencrypted drive. By default, Windows 10 is designed to be secure against this type of attack.
### Memory Remanence Attacks

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@ -8,7 +8,7 @@ ms.sitesec: library
ms.pagetype: security
ms.localizationpriority: medium
author: brianlic-msft
ms.date: 06/18/2018
ms.date: 08/21/2018
---
# Trusted Platform Module Technology Overview
@ -68,14 +68,15 @@ Some things that you can check on the device are:
- Is SecureBoot supported and enabled?
> [!NOTE]
> The device must be running Windows 10 and it must support at least TPM 2.0 in order to utilize Device Health Attestation.
> Windows 10 and Windows Server 2016 support Device Health Attestation with TPM 2.0. Support for TPM 1.2 was added beginning with Windows version 1607 (RS1).
## Supported versions
| TPM version | Windows 10 | Windows Server 2016 |
|-------------|------------|---------------------|
| TPM 1.2 | X | X |
| TPM 2.0 | X | X |
| TPM version | Windows 10 | Windows Server 2016 |
|-------------|-------------|---------------------|
| TPM 1.2 | >= ver 1607 | >= ver 1607 |
| TPM 2.0 | X | X |
## Related topics

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@ -8,7 +8,7 @@ ms.pagetype: security
author: justinha
ms.author: justinha
ms.localizationpriority: medium
ms.date: 07/10/2018
ms.date: 08/08/2018
---
# Create a Windows Information Protection (WIP) policy with MDM using the Azure portal for Microsoft Intune
@ -348,14 +348,14 @@ If you're running into compatibility issues where your app is incompatible with
## Manage the WIP protection mode for your enterprise data
After you've added the apps you want to protect with WIP, you'll need to apply a management and protection mode.
We recommend that you start with **Silent** or **Allow Overrides** while verifying with a small group that you have the right apps on your protected apps list. After you're done, you can change to your final enforcement policy, **Hide Overrides**.
We recommend that you start with **Silent** or **Allow Overrides** while verifying with a small group that you have the right apps on your protected apps list. After you're done, you can change to your final enforcement policy, **Block**.
>[!NOTE]
>For info about how to collect your audit log files, see [How to collect Windows Information Protection (WIP) audit event logs](collect-wip-audit-event-logs.md).
**To add your protection mode**
1. From the **App policy** blade, click the name of your policy, and then click **Required settings** from the menu that appears.
1. From the **App protection policy** blade, click the name of your policy, and then click **Required settings** from the menu that appears.
The **Required settings** blade appears.
@ -363,7 +363,7 @@ We recommend that you start with **Silent** or **Allow Overrides** while verifyi
|Mode |Description |
|-----|------------|
|Hide Overrides |WIP looks for inappropriate data sharing practices and stops the employee from completing the action. This can include sharing info across non-enterprise-protected apps in addition to sharing enterprise data between other people and devices outside of your enterprise.|
|Block |WIP looks for inappropriate data sharing practices and stops the employee from completing the action. This can include sharing info across non-enterprise-protected apps in addition to sharing enterprise data between other people and devices outside of your enterprise.|
|Allow Overrides |WIP looks for inappropriate data sharing, warning employees if they do something deemed potentially unsafe. However, this management mode lets the employee override the policy and share the data, logging the action to your audit log. For info about how to collect your audit log files, see [How to collect Windows Information Protection (WIP) audit event logs](collect-wip-audit-event-logs.md).|
|Silent |WIP runs silently, logging inappropriate data sharing, without blocking anything that wouldve been prompted for employee interaction while in Allow Override mode. Unallowed actions, like apps inappropriately trying to access a network resource or WIP-protected data, are still stopped.|
|Off (not recommended) |WIP is turned off and doesn't help to protect or audit your data.<br><br>After you turn off WIP, an attempt is made to decrypt any WIP-tagged files on the locally attached drives. Be aware that your previous decryption and policy info isnt automatically reapplied if you turn WIP protection back on.|

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@ -7,7 +7,7 @@ ms.mktglfcycl: explore
ms.sitesec: library
ms.pagetype: security
ms.author: justinha
ms.date: 05/30/2018
ms.date: 08/08/2018
ms.localizationpriority: medium
---
@ -308,11 +308,11 @@ If you're running into compatibility issues where your app is incompatible with
## Manage the WIP protection mode for your enterprise data
After you've added the apps you want to protect with WIP, you'll need to apply a management and protection mode.
We recommend that you start with **Silent** or **Allow Overrides** while verifying with a small group that you have the right apps on your protected apps list. After you're done, you can change to your final enforcement policy, either **Allow Overrides** or **Hide Overrides**.
We recommend that you start with **Silent** or **Allow Overrides** while verifying with a small group that you have the right apps on your protected apps list. After you're done, you can change to your final enforcement policy, either **Allow Overrides** or **Block**.
|Mode |Description |
|-----|------------|
|Hide Overrides|WIP looks for inappropriate data sharing practices and stops the employee from completing the action. This can include sharing info across non-enterprise-protected apps in addition to sharing enterprise data between other people and devices outside of your enterprise.|
|Block|WIP looks for inappropriate data sharing practices and stops the employee from completing the action. This can include sharing info across non-enterprise-protected apps in addition to sharing enterprise data between other people and devices outside of your enterprise.|
|Allow Overrides|WIP looks for inappropriate data sharing, warning employees if they do something deemed potentially unsafe. However, this management mode lets the employee override the policy and share the data, logging the action to your audit log, accessible through the [Reporting CSP](https://go.microsoft.com/fwlink/p/?LinkID=746459). |
|Silent |WIP runs silently, logging inappropriate data sharing, without blocking anything that wouldve been prompted for employee interaction while in Allow Overrides mode. Unallowed actions, like apps inappropriately trying to access a network resource or WIP-protected data, are still blocked.|
|Off (not recommended) |WIP is turned off and doesn't help to protect or audit your data.<p>After you turn off WIP, an attempt is made to decrypt any WIP-tagged files on the locally attached drives. Be aware that your previous decryption and policy info isnt automatically reapplied if you turn WIP protection back on.|

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@ -7,7 +7,7 @@ ms.sitesec: library
ms.pagetype: security
author: justinha
ms.author: justinha
ms.date: 05/30/2018
ms.date: 08/08/2018
localizationpriority: medium
---
@ -377,7 +377,7 @@ In the **Required settings** blade you must pick your Windows Information Protec
### Manage the WIP protection mode for your enterprise data
After you've added the apps you want to protect with WIP, you'll need to apply a management and protection mode.
We recommend that you start with **Silent** or **Allow Overrides** while verifying with a small group that you have the right apps on your allowed apps list. After you're done, you can change to your final enforcement policy, **Hide Overrides**.
We recommend that you start with **Silent** or **Allow Overrides** while verifying with a small group that you have the right apps on your allowed apps list. After you're done, you can change to your final enforcement policy, **Block**.
>[!NOTE]
>For info about how to collect your audit log files, see [How to collect Windows Information Protection (WIP) audit event logs](collect-wip-audit-event-logs.md).
@ -392,7 +392,7 @@ We recommend that you start with **Silent** or **Allow Overrides** while verifyi
|Mode |Description |
|-----|------------|
|Hide Overrides |WIP looks for inappropriate data sharing practices and stops the employee from completing the action. This can include sharing info across non-enterprise-protected apps in addition to sharing enterprise data between other people and devices outside of your enterprise.|
|Block |WIP looks for inappropriate data sharing practices and stops the employee from completing the action. This can include sharing info across non-enterprise-protected apps in addition to sharing enterprise data between other people and devices outside of your enterprise.|
|Allow Overrides |WIP looks for inappropriate data sharing, warning employees if they do something deemed potentially unsafe. However, this management mode lets the employee override the policy and share the data, logging the action to your audit log. For info about how to collect your audit log files, see [How to collect Windows Information Protection (WIP) audit event logs](collect-wip-audit-event-logs.md).|
|Silent |WIP runs silently, logging inappropriate data sharing, without blocking anything that wouldve been prompted for employee interaction while in Allow Override mode. Unallowed actions, like apps inappropriately trying to access a network resource or WIP-protected data, are still stopped.|
|Off (not recommended) |WIP is turned off and doesn't help to protect or audit your data.<br><br>After you turn off WIP, an attempt is made to decrypt any WIP-tagged files on the locally attached drives. Be aware that your previous decryption and policy info isnt automatically reapplied if you turn WIP protection back on.|
@ -420,7 +420,7 @@ In the **Advanced settings** blade you must specify where apps can access your c
### Choose where apps can access enterprise data
After you've added a protection mode to your apps, you'll need to decide where those apps can access enterprise data on your network.
There are no default locations included with WIP, you must add each of your network locations. This area applies to any network endpoint device that gets an IP address in your enterprises range and is also bound to one of your enterprise domains, including SMB shares. Local file system locations should just maintain encryption (for example, on local NTFS, FAT, ExFAT).
Intune will add SharePoint sites that are discovered through the Graph API. You must add other network locations. This area applies to any network endpoint device that gets an IP address in your enterprises range and is also bound to one of your enterprise domains, including SMB shares. Local file system locations should just maintain encryption (for example, on local NTFS, FAT, ExFAT).
>[!Important]
>Every WIP policy should include policy that defines your enterprise network locations.<br>Classless Inter-Domain Routing (CIDR) notation isnt supported for WIP configurations.

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@ -9,7 +9,7 @@ ms.sitesec: library
ms.pagetype: security
author: justinha
ms.localizationpriority: medium
ms.date: 10/16/2017
ms.date: 08/08/2018
---
# Create and deploy a Windows Information Protection (WIP) policy using System Center Configuration Manager
@ -340,14 +340,14 @@ If you're running into compatibility issues where your app is incompatible with
## Manage the WIP-protection level for your enterprise data
After you've added the apps you want to protect with WIP, you'll need to apply a management and protection mode.
We recommend that you start with **Silent** or **Override** while verifying with a small group that you have the right apps on your protected apps list. After you're done, you can change to your final enforcement policy, either **Override** or **Hide Overrides**.
We recommend that you start with **Silent** or **Override** while verifying with a small group that you have the right apps on your protected apps list. After you're done, you can change to your final enforcement policy, either **Override** or **Block**.
>[!NOTE]
>For info about how to collect your audit log files, see [How to collect Windows Information Protection (WIP) audit event logs](collect-wip-audit-event-logs.md).
|Mode |Description |
|-----|------------|
|Hide Overrides |WIP looks for inappropriate data sharing practices and stops the employee from completing the action. This can include sharing info across non-enterprise-protected apps in addition to sharing enterprise data between other people and devices outside of your enterprise.|
|Block |WIP looks for inappropriate data sharing practices and stops the employee from completing the action. This can include sharing info across non-enterprise-protected apps in addition to sharing enterprise data between other people and devices outside of your enterprise.|
|Override |WIP looks for inappropriate data sharing, warning employees if they do something deemed potentially unsafe. However, this management mode lets the employee override the policy and share the data, logging the action to your audit log. |
|Silent |WIP runs silently, logging inappropriate data sharing, without blocking anything that wouldve been prompted for employee interaction while in Override mode. Unallowed actions, like apps inappropriately trying to access a network resource or WIP-protected data, are still blocked.|
|Off (not recommended) |WIP is turned off and doesn't help to protect or audit your data.<p>After you turn off WIP, an attempt is made to decrypt any WIP-tagged files on the locally attached drives. Be aware that your previous decryption and policy info isnt automatically reapplied if you turn WIP protection back on.|

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@ -9,7 +9,7 @@ ms.sitesec: library
ms.pagetype: security
author: justinha
ms.localizationpriority: medium
ms.date: 09/11/2017
ms.date: 08/08/2018
---
# Deploy your Windows Information Protection (WIP) policy using the classic console for Microsoft Intune

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@ -77,13 +77,13 @@ WIP gives you a new way to manage data policy enforcement for apps and documents
- **Copying or downloading enterprise data.** When an employee or an app downloads content from a location like SharePoint, a network share, or an enterprise web location, while using a WIP-protected device, WIP encrypts the data on the device.
- **Using allowed apps.** Managed apps (apps that you've included on the **Allowed apps** list in your WIP policy) are allowed to access your enterprise data and will interact differently when used with unallowed, non-enterprise aware, or personal-only apps. For example, if WIP management is set to **Hide overrides**, your employees can copy and paste from one protected app to another allowed app, but not to personal apps. Imagine an HR person wants to copy a job description from an allowed app to the internal career website, an enterprise-protected location, but goofs and tries to paste into a personal app instead. The paste action fails and a notification pops up, saying that the app couldnt paste because of a policy restriction. The HR person then correctly pastes to the career website without a problem.
- **Using allowed apps.** Managed apps (apps that you've included on the **Allowed apps** list in your WIP policy) are allowed to access your enterprise data and will interact differently when used with unallowed, non-enterprise aware, or personal-only apps. For example, if WIP management is set to **Block**, your employees can copy and paste from one protected app to another allowed app, but not to personal apps. Imagine an HR person wants to copy a job description from an allowed app to the internal career website, an enterprise-protected location, but goofs and tries to paste into a personal app instead. The paste action fails and a notification pops up, saying that the app couldnt paste because of a policy restriction. The HR person then correctly pastes to the career website without a problem.
- **Managed apps and restrictions.** With WIP you can control which apps can access and use your enterprise data. After adding an app to your allowed apps list, the app is trusted with enterprise data. All apps not on this list are stopped from accessing your enterprise data, depending on your WIP management-mode.
You dont have to modify line-of-business apps that never touch personal data to list them as allowed apps; just include them in the allowed apps list.
- **Deciding your level of data access.** WIP lets you hide overrides, allow overrides, or audit employees' data sharing actions. Hiding overrides stops the action immediately. Allowing overrides lets the employee know there's a risk, but lets him or her continue to share the data while recording and auditing the action. Silent just logs the action without stopping anything that the employee could've overridden while using that setting; collecting info that can help you to see patterns of inappropriate sharing so you can take educative action or find apps that should be added to your allowed apps list. For info about how to collect your audit log files, see [How to collect Windows Information Protection (WIP) audit event logs](collect-wip-audit-event-logs.md).
- **Deciding your level of data access.** WIP lets you block, allow overrides, or audit employees' data sharing actions. Hiding overrides stops the action immediately. Allowing overrides lets the employee know there's a risk, but lets him or her continue to share the data while recording and auditing the action. Silent just logs the action without stopping anything that the employee could've overridden while using that setting; collecting info that can help you to see patterns of inappropriate sharing so you can take educative action or find apps that should be added to your allowed apps list. For info about how to collect your audit log files, see [How to collect Windows Information Protection (WIP) audit event logs](collect-wip-audit-event-logs.md).
- **Data encryption at rest.** WIP helps protect enterprise data on local files and on removable media.
@ -132,7 +132,7 @@ You can set your WIP policy to use 1 of 4 protection and management modes:
|Mode|Description|
|----|-----------|
|Hide overrides |WIP looks for inappropriate data sharing practices and stops the employee from completing the action. This can include sharing enterprise data to non-enterprise-protected apps in addition to sharing enterprise data between apps or attempting to share outside of your organizations network.|
|Block |WIP looks for inappropriate data sharing practices and stops the employee from completing the action. This can include sharing enterprise data to non-enterprise-protected apps in addition to sharing enterprise data between apps or attempting to share outside of your organizations network.|
|Allow overrides |WIP looks for inappropriate data sharing, warning employees if they do something deemed potentially unsafe. However, this management mode lets the employee override the policy and share the data, logging the action to your audit log.|
|Silent |WIP runs silently, logging inappropriate data sharing, without stopping anything that wouldve been prompted for employee interaction while in Allow overrides mode. Unallowed actions, like apps inappropriately trying to access a network resource or WIP-protected data, are still stopped.|
|Off |WIP is turned off and doesn't help to protect or audit your data.<p>After you turn off WIP, an attempt is made to decrypt any WIP-tagged files on the locally attached drives. Be aware that your previous decryption and policy info isnt automatically reapplied if you turn WIP protection back on.<p>**Note**<br>For more info about setting your WIP-protection modes, see either [Create a Windows Information Protection (WIP) policy using Intune](create-wip-policy-using-intune.md) or [Create and deploy a Windows Information Protection (WIP) policy using Configuration Manager](create-wip-policy-using-sccm.md), depending on your management solution. |

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@ -10,7 +10,7 @@ ms.sitesec: library
ms.pagetype: security
author: coreyp-at-msft
ms.localizationpriority: medium
ms.date: 04/18/2018
ms.date: 08/08/2018
---
# Fine-tune Windows Information Protection (WIP) with WIP Learning
@ -21,16 +21,16 @@ ms.date: 04/18/2018
With WIP Learning, you can intelligently tune which apps and websites are included in your WIP policy to help reduce disruptive prompts and keep it accurate and relevant. WIP Learning generates two reports: The **App learning report** and the **Website learning report**. Both reports are accessed from Microsoft Azure Intune, and you can alternately access the App learning report from Microsoft Operations Management Suite (OMS).
The **App learning report** monitors your apps, not in policy, that attempt to access work data. You can identify these apps using the report and add them to your WIP policies to avoid productivity disruption before fully enforcing WIP with [Hide overrides](protect-enterprise-data-using-wip.md#bkmk-modes) mode. Frequent monitoring of the report will help you continuously identify access attempts so you can update your policy accordingly.
The **App learning report** monitors your apps, not in policy, that attempt to access work data. You can identify these apps using the report and add them to your WIP policies to avoid productivity disruption before fully enforcing WIP with [Block](protect-enterprise-data-using-wip.md#bkmk-modes) mode. Frequent monitoring of the report will help you continuously identify access attempts so you can update your policy accordingly.
In the **Website learning report**, you can view a summary of the devices that have shared work data with websites. You can use this information to determine which websites should be added to group and user WIP policies. The summary shows which website URLs are accessed by WIP-enabled apps so you can decide which ones are cloud or personal, and add them to the resource list.
## Access the WIP Learning reports
1. Open the [Azure portal](http://portal.azure.com/). Choose **All services**. Type **Intune** in the text box filter.
## Access the WIP Learning reports
1. Open the [Azure portal](http://portal.azure.com/). Choose **All services**. Type **Intune** in the text box filter.
2. Choose **Intune** > **Mobile Apps**.
3. Choose **App protection status**.
4. Choose **Reports**.
@ -95,7 +95,7 @@ Here, you can copy the **WipAppid** and use it to adjust your WIP protection pol
9. Go back to OMS one more time and note the version number of the app and type it in **MIN VERSION** in Intune (alternately, you can specify the max version, but one or the other is required), and then select the **ACTION**: **Allow** or **Deny**
When working with WIP-enabled apps and WIP-unknown apps, it is recommended that you start with **Silent** or **Allow overrides** while verifying with a small group that you have the right apps on your allowed apps list. After you're done, you can change to your final enforcement policy, **Hide overrides**. For more information about WIP modes, see: [Protect enterprise data using WIP: WIP-modes](protect-enterprise-data-using-wip.md#bkmk-modes)
When working with WIP-enabled apps and WIP-unknown apps, it is recommended that you start with **Silent** or **Allow overrides** while verifying with a small group that you have the right apps on your allowed apps list. After you're done, you can change to your final enforcement policy, **Block**. For more information about WIP modes, see: [Protect enterprise data using WIP: WIP-modes](protect-enterprise-data-using-wip.md#bkmk-modes)
>[!NOTE]
>Help to make this topic better by providing us with edits, additions, and feedback. For info about how to contribute to this topic, see [Contributing to TechNet content](https://github.com/Microsoft/windows-itpro-docs/blob/master/CONTRIBUTING.md).

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@ -306,18 +306,18 @@
###### [Requirements for virtualization-based protection of code integrity](windows-defender-exploit-guard\requirements-and-deployment-planning-guidelines-for-virtualization-based-protection-of-code-integrity.md)
###### [Enable virtualization-based protection of code integrity](windows-defender-exploit-guard\enable-virtualization-based-protection-of-code-integrity.md)
#### [Attack surface reduction](windows-defender-exploit-guard\attack-surface-reduction-exploit-guard.md)
#### [Evaluate Attack surface reduction](windows-defender-exploit-guard\evaluate-attack-surface-reduction.md)
#### [Enable Attack surface reduction](windows-defender-exploit-guard\enable-attack-surface-reduction.md)
#### [Customize Attack surface reduction](windows-defender-exploit-guard\customize-attack-surface-reduction.md)
#### [Troubleshoot Attack surface reduction rules](windows-defender-exploit-guard\troubleshoot-asr.md)
##### [Evaluate Attack surface reduction](windows-defender-exploit-guard\evaluate-attack-surface-reduction.md)
##### [Enable Attack surface reduction](windows-defender-exploit-guard\enable-attack-surface-reduction.md)
##### [Customize Attack surface reduction](windows-defender-exploit-guard\customize-attack-surface-reduction.md)
##### [Troubleshoot Attack surface reduction rules](windows-defender-exploit-guard\troubleshoot-asr.md)
#### [Network Protection](windows-defender-exploit-guard\network-protection-exploit-guard.md)
#### [Evaluate Network Protection](windows-defender-exploit-guard\evaluate-network-protection.md)
#### [Enable Network Protection](windows-defender-exploit-guard\enable-network-protection.md)
#### [Troubleshoot Network protection](windows-defender-exploit-guard\troubleshoot-np.md)
##### [Evaluate Network Protection](windows-defender-exploit-guard\evaluate-network-protection.md)
##### [Enable Network Protection](windows-defender-exploit-guard\enable-network-protection.md)
##### [Troubleshoot Network protection](windows-defender-exploit-guard\troubleshoot-np.md)
#### [Controlled folder access](windows-defender-exploit-guard\controlled-folders-exploit-guard.md)
#### [Evaluate Controlled folder access](windows-defender-exploit-guard\evaluate-controlled-folder-access.md)
#### [Enable Controlled folder access](windows-defender-exploit-guard\enable-controlled-folders-exploit-guard.md)
#### [Customize Controlled folder access](windows-defender-exploit-guard\customize-controlled-folders-exploit-guard.md)
##### [Evaluate Controlled folder access](windows-defender-exploit-guard\evaluate-controlled-folder-access.md)
##### [Enable Controlled folder access](windows-defender-exploit-guard\enable-controlled-folders-exploit-guard.md)
##### [Customize Controlled folder access](windows-defender-exploit-guard\customize-controlled-folders-exploit-guard.md)
@ -336,6 +336,7 @@
#### [Testing scenarios using Windows Defender Application Guard in your business or organization](windows-defender-application-guard/test-scenarios-wd-app-guard.md)
#### [Frequently Asked Questions - Windows Defender Application Guard](windows-defender-application-guard/faq-wd-app-guard.md)
## [Security intelligence](intelligence/index.md)
## Other security features
### [The Windows Security app](windows-defender-security-center/windows-defender-security-center.md)
@ -387,10 +388,10 @@
###### [Audit process tracking](auditing/basic-audit-process-tracking.md)
###### [Audit system events](auditing/basic-audit-system-events.md)
##### [Advanced security audit policies](auditing/advanced-security-auditing.md)
###### [Planning and deploying advanced security audit policies](auditing/planning-and-deploying-advanced-security-audit-policies.md)
###### [Advanced security auditing FAQ](auditing/advanced-security-auditing-faq.md)
####### [Which editions of Windows support advanced audit policy configuration](auditing/which-editions-of-windows-support-advanced-audit-policy-configuration.md)
#### [Advanced security audit policies](auditing/advanced-security-auditing.md)
##### [Planning and deploying advanced security audit policies](auditing/planning-and-deploying-advanced-security-audit-policies.md)
##### [Advanced security auditing FAQ](auditing/advanced-security-auditing-faq.md)
###### [Which editions of Windows support advanced audit policy configuration](auditing/which-editions-of-windows-support-advanced-audit-policy-configuration.md)
###### [Using advanced security auditing options to monitor dynamic access control objects](auditing/using-advanced-security-auditing-options-to-monitor-dynamic-access-control-objects.md)
####### [Monitor the central access policies that apply on a file server](auditing/monitor-the-central-access-policies-that-apply-on-a-file-server.md)
@ -731,7 +732,7 @@
#### [Security policy settings](security-policy-settings/security-policy-settings.md)
### [Security policy settings](security-policy-settings/security-policy-settings.md)
#### [Administer security policy settings](security-policy-settings/administer-security-policy-settings.md)
##### [Network List Manager policies](security-policy-settings/network-list-manager-policies.md)
#### [Configure security policy settings](security-policy-settings/how-to-configure-security-policy-settings.md)
@ -908,8 +909,8 @@
### [Windows security baselines](windows-security-baselines.md)
### [Security Compliance Toolkit](security-compliance-toolkit-10.md)
### [Get support](get-support-for-security-baselines.md)
#### [Security Compliance Toolkit](security-compliance-toolkit-10.md)
#### [Get support](get-support-for-security-baselines.md)
### [Windows 10 Mobile security guide](windows-10-mobile-security-guide.md)

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@ -1,6 +1,6 @@
---
title: Windows Defender Device Guard - virtualization-based security and code integrity policies (Windows 10)
description: Microsoft Windows Defender Device Guard is a feature set that consists of both hardware and software system integrity hardening features that revolutionize the Windows operating systems security.
title: Windows Defender Application Control Configurable Code Integrity and Virtualization-based security (Windows 10)
description: Microsoft Windows 10 has a feature set that consists of both hardware and software system integrity hardening capabilites that revolutionize the Windows operating systems security.
keywords: virtualization, security, malware
ms.prod: w10
ms.mktglfcycl: deploy
@ -9,36 +9,37 @@ author: mdsakibMSFT
ms.date: 04/19/2018
---
# Windows Defender Device Guard: virtualization-based security and Windows Defender Application Control
# Windows Defender Application Control Configurable Code Integrity and Virtualization-based security (aka Windows Defender Device Guard)
**Applies to**
- Windows 10
- Windows Server 2016
With Windows 10, we introduced Windows Defender Device Guard, a set of hardware and OS technologies that, when configured together, allow enterprises to lock down Windows systems so they operate with many of the properties of mobile devices.
In this configuration, Device Guard restricts devices to only run authorized apps by using a feature called configurable code integrity (CI), while simultaneously hardening the OS against kernel memory attacks through the use of virtualization-based protection of code integrity (more specifically, HVCI).
Windows 10 includes a set of hardware and OS technologies that, when configured together, allow enterprises to "lock down" Windows systems so they operate with many of the properties of mobile devices. In this configuration, specific technologies work together to restrict devices to only run authorized apps by using a feature called configurable code integrity (CI), while simultaneously hardening the OS against kernel memory attacks through the use of virtualization-based protection of code integrity (more specifically, HVCI).
Configurable CI has these advantages over other solutions:
Configurable CI and HVCI are very powerful protections that can be used separately. However, when these two technologies are configured to work together, they present a very strong protection capability for Windows 10 devices. Starting with the Windows 10 Anniversary Update (1607), this combined "configuration state" of Configurable CI and HVCI has been referred to as Windows Defender Device Guard.
Using Configurable CI to restrict devices to only autherized apps has these advantages over other solutions:
1. Configurable CI policy is enforced by the Windows kernel itself. As such, the policy takes effect early in the boot sequence before nearly all other OS code and before traditional antivirus solutions run.
2. Configurable CI allows customers to set application control policy not only over code running in user mode, but also kernel mode hardware and software drivers and even code that runs as part of Windows.
3. Customers can protect the configurable CI policy even from local administrator tampering by digitally signing the policy. Then changing the policy requires administrative privilege and access to the organizations digital signing process, making it extremely difficult for an attacker or malware that managed to gain administrative privilege to alter the application control policy.
3. Customers can protect the configurable CI policy even from local administrator tampering by digitally signing the policy. This would mean that changing the policy would require both administrative privilege and access to the organizations digital signing process, making it extremely difficult for an attacker with administrative privledge, or malicious software that managed to gain administrative privilege, to alter the application control policy.
4. The entire configurable CI enforcement mechanism can be protected by HVCI, where even if a vulnerability exists in kernel mode code, the likelihood that an attacker could successfully exploit it is significantly diminished. Why is this relevant? Thats because an attacker that compromises the kernel would otherwise have enough privilege to disable most system defenses and override the application control policies enforced by configurable CI or any other application control solution.
## (Re-)Introducing Windows Defender Application Control
When we originally designed Device Guard it was built with a specific security promise in mind. Although there were no direct dependencies between its two main OS features, configurable CI and HVCI, we intentionally focused our marketing story around the Device Guard lockdown state you achieve when deploying them together.
When we originally designed the configuration state that we have referred to as Windows Defender Device Guard, we did so with a specific security promise in mind. Although there were no direct dependencies between the two main OS features of the Device Guard configuration, configurable CI and HVCI, we intentionally focused our discussion around the Device Guard lockdown state you achieve when deploying them together.
However, this unintentionally left an impression for many customers that the two features were inexorably linked and could not be deployed separately.
And given that HVCI relies on the Windows virtualization-based security, it comes with additional hardware, firmware, and kernel driver compatibility requirements that some older systems cant meet.
However, the use of the term Device Guard to describe this configuration state has unintentionally left an impression for many IT professionals that the two features were inexorably linked and could not be deployed separately.
Additionally, given that HVCI relies on Windows virtualization-based security, it comes with additional hardware, firmware, and kernel driver compatibility requirements that some older systems cant meet.
As a result, many customers assumed that they couldnt use configurable CI either.
But configurable CI carries no specific hardware or software requirements other than running Windows 10, which means many customers were wrongly denied the benefits of this powerful application control capability.
As a result, many IT Professionals assumed that because some systems couldn't use HVCI, they couldnt use configurable CI either.
But configurable CI carries no specific hardware or software requirements other than running Windows 10, which means many IT professionals were wrongly denied the benefits of this powerful application control capability.
Since the initial release of Windows 10, the world has witnessed numerous hacking and malware attacks where application control alone could have prevented the attack altogether. So we are promoting configurable CI within our security stack and giving it a name of its own: [Windows Defender Application Control](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-application-control).
We hope this branding change will help us better communicate options for adopting application control within an organization.
Since the initial release of Windows 10, the world has witnessed numerous hacking and malware attacks where application control alone could have prevented the attack altogether. With this in mind, we are discussing and documenting configurable CI as a independent technology within our security stack and giving it a name of its own: [Windows Defender Application Control](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-application-control).
We hope this change will help us better communicate options for adopting application control within an organization.
Does this mean Windows Defender Device Guard is going away? Not at all. Device Guard will continue to exist as a way to describe the fully locked down state achieved through the use of Windows Defender Application Control (WDAC), HVCI, and hardware and firmware security features. It also allows us to work with our OEM partners to identify specifications for devices that are “Device Guard capable” so that our joint customers can easily purchase devices that meet all of the hardware and firmware requirements of the original Device Guard scenario.
Does this mean Windows Defender Device Guard configuration state is going away? Not at all. The term Device Guard will continue to be used as a way to describe the fully locked down state achieved through the use of Windows Defender Application Control (WDAC), HVCI, and hardware and firmware security features. It also allows us to work with our OEM partners to identify specifications for devices that are “Device Guard capable” so that our joint customers can easily purchase devices that meet all of the hardware and firmware requirements of the original "Device Guard" locked down scenario for Windows 10 based devices.
## Related topics

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@ -0,0 +1,49 @@
# [Security intelligence](index.md)
## [Understand malware & other threats](understanding-malware.md)
### [Prevent malware infection](prevent-malware-infection.md)
### [Malware names](malware-naming.md)
### [Coin miners](coinminer-malware.md)
### [Exploits and exploit kits](exploits-malware.md)
### [Macro malware](macro-malware.md)
### [Phishing](phishing.md)
### [Ransomware](ransomware-malware.md)
### [Rootkits](rootkits-malware.md)
### [Supply chain attacks](supply-chain-malware.md)
### [Tech support scams](support-scams.md)
### [Trojans](trojans-malware.md)
### [Unwanted software](unwanted-software.md)
### [Worms](worms-malware.md)
## [How Microsoft identifies malware and PUA](criteria.md)
## [Submit files for analysis](submission-guide.md)
## [Safety Scanner download](safety-scanner-download.md)
## [Industry collaboration programs](cybersecurity-industry-partners.md)
### [Virus information alliance](virus-information-alliance-criteria.md)
### [Microsoft virus initiative](virus-initiative-criteria.md)
### [Coordinated malware eradication](coordinated-malware-eradication.md)
## [Information for developers](developer-info.md)
### [Software developer FAQ](developer-faq.md)
### [Software developer resources](developer-resources.md)

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@ -0,0 +1,47 @@
---
title: Coin miners
description: Learn about coin miners, how they can infect devices, and what you can do to protect yourself.
keywords: security, malware, coin miners, protection, cryptocurrencies
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Coin miners
Cybercriminals are always looking for new ways to make money. With the rise of digital currencies, also known as cryptocurrencies, criminals see a unique opportunity to infiltrate an organization and secretly mine for coins by reconfiguring malware.
## How coin miners work
Many infections start with:
- Email messages with attachments that try to install malware.
- Websites hosting exploit kits that attempt to use vulnerabilities in web browsers and other software to install coin miners.
- Websites taking advantage of computer processing power by running scripts while users browse the website.
Mining is the process of running complex mathematical calculations necessary to maintain the blockchain ledger. This process generates coins but requires significant computing resources.
Coin miners are not inherently malicious. Some individuals and organizations invest in hardware and electric power for legitimate coin mining operations. However, others look for alternative sources of computing power and try to find their way into corporate networks. These coin miners are not wanted in enterprise environments because they eat up precious computing resources.
Cybercriminals see an opportunity to make money by running malware campaigns that distribute, install, and run trojanized miners at the expense of other peoples computing resources.
### Examples
DDE exploits, which have been known to distribute ransomware, are now delivering miners.
For example, a sample of the malware detected as Trojan:Win32/Coinminer (SHA-256: 7213cbbb1a634d780f9bb861418eb262f58954e6e5dca09ca50c1e1324451293) is installed by Exploit:O97M/DDEDownloader.PA, a Word document that contains the DDE exploit.
The exploit launches a cmdlet that executes a malicious PowerShell script (Trojan:PowerShell/Maponeir.A), which then downloads the trojanized miner: a modified version of the miner XMRig, which mines Monero cryptocurrency.
## How to protect against coin miners
**Enable PUA detection**: Some coin mining tools are not considered malware but are detected as potentially unwanted applications (PUA). Many applications detected as PUA can negatively impact machine performance and employee productivity. In enterprise environments, you can stop adware, torrent downloaders, and coin mining by enabling PUA detection.
Since coin miners is becoming a popular payload in many different kinds of attacks, see general tips on how to [prevent malware infection](prevent-malware-infection.md).
For more information on coin miners, see the blog post [Invisible resource thieves: The increasing threat of cryptocurrency miners](https://cloudblogs.microsoft.com/microsoftsecure/2018/03/13/invisible-resource-thieves-the-increasing-threat-of-cryptocurrency-miners/).

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@ -0,0 +1,35 @@
---
title: Coordinated Malware Eradication
description: Information and criteria regarding CME
keywords: security, malware
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 07/12/2018
---
# Coordinated Malware Eradication
![coordinated-malware-eradication](images/CoordinatedMalware.png)
Coordinated Malware Eradication (CME) aims to bring organizations in cybersecurity and in other industries together to change the game against malware. While the cybersecurity industry today is effective at disrupting malware families through individual efforts, those disruptions rarely lead to eradication since malware authors quickly adapt their tactics to survive.
CME calls for organizations to pool their tools, information and actions to drive coordinated campaigns against malware. The ultimate goal is to drive efficient and long lasting results for better protection of our collective communities, customers, and businesses.
## Combining our tools, information, and actions
Diversity of participation across industries and disciplines, extending beyond cybersecurity, makes eradication campaigns even stronger across the malware lifecycle. For instance, while security vendors, computer emergency response/readiness teams (CERTs), and Internet service providers (ISPs) can contribute with malware telemetry, online businesses can identify fraudulent behavior and law enforcement agencies can drive legal action.
In addition to telemetry and analysis data, Microsoft is planning to contribute cloud-based scalable storage and computing horsepower with the necessary big data analysis tools built-in to these campaigns.
## Coordinated campaigns for lasting results
Organizations participating in the CME effort work together to help eradicate selected malware families by contributing their own telemetry data, expertise, tools, and other resources. These organizations operate under a campaign umbrella with clearly defined end goals and metrics. Any organization or member can initiate a campaign and invite others to join it. The members then have the option to accept or decline the invitations they receive.
## Join the effort
Any organization that is involved in cybersecurity and antimalware or interested in fighting cybercrime can participate in CME campaigns by enrolling in the [Virus Information Alliance (VIA) program](virus-information-alliance-criteria.md). It ensures that everyone agrees to use the information and tools available for campaigns for their intended purpose (that is, the eradication of malware).
Please apply using our [membership application form](http://www.microsoft.com/security/portal/partnerships/apply.aspx) to get started.

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@ -0,0 +1,170 @@
---
title: How Microsoft identifies malware and potentially unwanted applications
description: criteria
keywords: security, malware
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/01/2018
---
# How Microsoft identifies malware and potentially unwanted applications
Microsoft aims to provide customers with the most delightful and productive Windows experience possible. To help achieve that, we try our best to ensure our customers are safe and in control of their devices.
Microsoft gives you the information and tools you need when downloading, installing, and running software, as well as tools that protect you when we know that something unsafe is happening. Microsoft does this by identifying and analyzing software and online content against criteria described in this article.
You can participate in this process by submitting software for analysis. Our analysts and intelligent systems can then help identify undesirable software and ensure they are covered by our security solutions.
Because new forms of malware and potentially unwanted applications are being developed and distributed rapidly, Microsoft reserves the right to adjust, expand, and update these criteria without prior notice or announcements.
## Malware
Malware is the overarching name for applications and other code, i.e. software, that Microsoft classifies more granularly as *malicious software* or *unwanted software*.
### Malicious software
Malicious software is an application or code that compromises user security. Malicious software might steal your personal information, lock your PC until you pay a ransom, use your PC to send spam, or download other malicious software. In general, malicious software tricks, cheats, or defrauds users, places users in vulnerable states, or performs other malicious activities.
Microsoft classifies most malicious software into one of the following categories:
* **Backdoor:** A type of malware that gives malicious hackers remote access to and control of your PC.
* **Downloader:** A type of malware that downloads other malware onto your PC. It needs to connect to the internet to download files.
* **Dropper:** A type of malware that installs other malware files onto your PC.Unlike a downloader, a dropper doesnt need to connect to the internet to drop malicious files. The dropped files are typically embedded in the dropper itself.
* **Exploit:** A piece of code that uses software vulnerabilities to gain access to your PC and perform other tasks, such as installing malware. [See more information about exploits](exploits-malware.md).
* **Hacktool:** A type of tool that can be used to gain unauthorized access to your PC.
* **Macro virus:** A type of malware that spreads through infected documents, such as Microsoft Word or Excel documents. The virus is run when you open an infected document.
* **Obfuscator:** A type of malware that hides its code and purpose, making it more difficult for security software to detect or remove.
* **Password stealer:** A type of malware that gathers your personal information, such as user names and passwords. It often works along with a keylogger, which collects and sends information about the keys you press and websites you visit.
* **Ransomware:** A type of malware that encrypts your files or makes other modifications that can prevent you from using your PC. It then displays a ransom note stating you must pay money, complete surveys, or perform other actions before you can use your PC again. [See more information about ransomware](ransomware-malware.md).
* **Rogue security software:** Malware that pretends to be security software but doesn't provide any protection. This type of malware usually displays alerts about nonexistent threats on your PC. It also tries to convince you to pay for its services.
* **Trojan:** A type of malware that attempts to appear harmless. Unlike a virus or a worm, a trojan doesn't spread by itself. Instead it tries to look legitimate, tricking users into downloading and installing it. Once installed, trojans perform a variety of malicious activities, such as stealing personal information, downloading other malware, or giving attackers access to your PC.
* **Trojan clicker:** A type of trojan that automatically clicks buttons or similar controls on websites or applications. Attackers can use this trojan to click on online advertisements. These clicks can skew online polls or other tracking systems and can even install applications on your PC.
* **Worm:** A type of malware that spreads to other PCs. Worms can spread through email, instant messaging, file sharing platforms, social networks, network shares, and removable drives. Sophisticated worms take advantage of software vulnerabilities to propagate.
### Unwanted software
Microsoft believes that you should have control over your Windows experience. Software running on Windows should keep you in control of your PC through informed choices and accessible controls. Microsoft identifies software behaviors that ensure you stay in control. We classify software that does not fully demonstrate these behaviors as "unwanted software".
#### Lack of choice
You must be notified about what is happening on your PC, including what software does and whether it is active.
Software that exhibits lack of choice might:
* Fail to provide prominent notice about the behavior of the software and its purpose and intent.
* Fail to clearly indicate when the software is active and might also attempt to hide or disguise its presence.
* Install, reinstall, or remove software without your permission, interaction, or consent.
* Install other software without a clear indication of its relationship to the primary software.
* Circumvent user consent dialogs from the browser or operating system.
* Falsely claim to be software from Microsoft.
Software must not mislead or coerce you into making decisions about your PC. This is considered behavior that limits your choices. In addition to the previous list, software that exhibits lack of choice might:
* Display exaggerated claims about your PCs health.
* Make misleading or inaccurate claims about files, registry entries, or other items on your PC.
* Display claims in an alarming manner about your PC's health and require payment or certain actions in exchange for fixing the purported issues.
Software that stores or transmits your activities or data must:
* Give you notice and get consent to do so. Software should not include an option that configures it to hide activities associated with storing or transmitting your data.
#### Lack of control
You must be able to control software on your computer. You must be able to start, stop, or otherwise revoke authorization to software.
Software that exhibits lack of control might:
* Prevent or limit you from viewing or modifying browser features or settings.
* Open browser windows without authorization.
* Redirect web traffic without giving notice and getting consent.
* Modify or manipulate webpage content without your consent.
Software that changes your browsing experience must only use the browser's supported extensibility model for installation, execution, disabling, or removal. Browsers that do not provide supported extensibility models will be considered non-extensible and should not be modified.
#### Installation and removal
You must be able to start, stop, or otherwise revoke authorization given to software. Software should obtain your consent before installing, and it must provide a clear and straightforward way for you to install, uninstall, or disable it.
Software that delivers *poor installation experience* might bundle or download other "unwanted software" as classified by Microsoft.
Software that delivers *poor removal experience* might:
* Present confusing or misleading prompts or pop-ups while being uninstalled.
* Fail to use standard install/uninstall features, such as Add/Remove Programs.
#### Advertising and advertisements
Software that promotes a product or service outside of the software itself can interfere with your computing experience. You should have clear choice and control when installing software that presents advertisements.
The advertisements that are presented by software must:
* Include an obvious way for users to close the advertisement. The act of closing the advertisement must not open another advertisement.
* Include the name of the software that presented the advertisement.
The software that presents these advertisements must:
* Provide a standard uninstall method for the software using the same name as shown in the advertisement it presents.
Advertisements shown to you must:
* Be distinguishable from website content.
* Not mislead, deceive, or confuse.
* Not contain malicious code.
* Not invoke a file download.
#### Consumer opinion
Microsoft maintains a worldwide network of analysts and intelligence systems where you can [submit software for analysis](https://www.microsoft.com/wdsi/filesubmission). Your participation helps us identify new malware quickly. After analysis, Microsoft creates definitions for software that meets the described criteria. These definitions identify the software as malware and are available to all users through Windows Defender Antivirus and other Microsoft antimalware solutions.
## Potentially unwanted application (PUA)
Our PUA protection aims to safeguard user productivity and ensure enjoyable Windows experiences. This optional protection, available to enterprises, helps deliver more productive, performant, and delightful Windows experiences.
*PUAs are not considered malware.*
Microsoft uses specific categories and the category definitions to classify software as a PUA.
* **Browser advertising software:** Software that displays advertisements or promotions, or prompts the user to complete surveys for other products or services in software other than itself. This includes software that inserts advertisements to webpages.
* **Torrent software:** Software that is used to create or download torrents or other files specifically used with peer-to-peer file-sharing technologies.
* **Cryptomining software:** Software that uses your computer resources to mine cryptocurrencies.
* **Bundling software:** Software that offers to install other software that is not digitally signed by the same entity. Also, software that offers to install other software that qualify as PUA based on the criteria outlined in this document.
* **Marketing software:** Software that monitors and transmits the activities of the user to applications or services other than itself for marketing research.
* **Evasion software:** Software that actively tries to evade detection by security products, including software that behaves differently in the presence of security products.
* **Poor industry reputation:** Software that trusted security providers detect with their security products. The security industry is dedicated to protecting customers and improving their experiences. Microsoft and other organizations in the security industry continuously exchange knowledge about files we have analyzed to provide users with the best possible protection.

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---
title: Industry collaboration programs
description: Describing the 3 industry collaboration programs
keywords: security, malware
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 07/12/2018
---
# Industry collaboration programs
Microsoft has several industry-wide collaboration programs with different objectives and requirements. Enrolling in the right program can help you protect your customers, gain more insight into the current threat landscape, or assist in disrupting the malware ecosystem.
## Virus Information Alliance (VIA)
The VIA program gives members access to information that will help improve protection for Microsoft customers. Malware telemetry and samples can be provided to security teams to help identify gaps in their protection, prioritize new threat coverage, or better respond to threats.
**You must be a member of VIA if you want to apply for membership to the other programs.**
Go to the [VIA program page](virus-information-alliance-criteria.md) for more information.
## Microsoft Virus Initiative (MVI)
MVI is open to organizations who build and own a Real Time Protection (RTP) antimalware product of their own design, or one developed using a third-party antivirus SDK.
Members get access to Microsoft client APIs for the Windows Defender Security Center, IOAV, AMSI, and Cloud Files, along with health data and other telemetry to help their customers stay protected. Antimalware products are submitted to Microsoft for performance testing on a regular basis.
Go to the [MVI program page](virus-initiative-criteria.md) for more information.
## Coordinated Malware Eradication (CME)
CME is open to organizations who are involved in cybersecurity and antimalware or interested in fighting cybercrime.
The program aims to bring organizations in cybersecurity and other industries together to pool tools, information and actions to drive coordinated campaigns against malware. The ultimate goal is to create efficient and long-lasting results for better protection of our collective communities, customers, and businesses.
Go to the [CME program page](coordinated-malware-eradication.md) for more information.

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---
title: Software developer FAQ
description: This page provides answers to common questions we receive from software developers
keywords: wdsi, software, developer, faq, dispute, false-positive, classify, installer, software, bundler, blocking
search.product: eADQiWindows 10XVcnh
ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
ms.pagetype: security
ms.author: macapara
author: mjcaparas
ms.localizationpriority: medium
ms.date: 07/01/2018
---
# Software developer FAQ
This page provides answers to common questions we receive from software developers. For general guidance about submitting malware or incorrectly detected files, read the submission guide.
## Does Microsoft accept files for a known list or false-positive prevention program?
No. We do not accept these requests from software developers. Signing your program's files in a consistent manner, with a digital certificate issued by a trusted root authority, helps our research team quickly identify the source of a program and apply previously gained knowledge. In some cases, this might result in your program being quickly added to the known list or, far less frequently, in adding your digital certificate to a list of trusted publishers.
## How do I dispute the detection of my program?
Submit the file in question as a software developer. Wait until your submission has a final determination.
If you're not satisfied with our determination of the submission, use the developer contact form provided with the submission results to reach Microsoft. We will use the information you provide to investigate further if necessary.
We encourage all software vendors and developers to read about how Microsoft identifies malware and unwanted software.
## Why is Microsoft asking for a copy of my program?
This can help us with our analysis. Participants of the Microsoft Active Protection Service (MAPS) may occasionally receive these requests. The requests will stop once our systems have received and processed the file.
## Why does Microsoft classify my installer as a software bundler?
It contains instructions to offer a program classified as unwanted software. You can review the criteria we use to check applications for behaviors that are considered unwanted.
## Why is the Windows Firewall blocking my program?
This is not related to Windows Defender Antivirus and other Microsoft antimalware. You can find out more about Windows Firewall from the Microsoft Developer Network.
## Why does the Windows Defender SmartScreen say my program is not commonly downloaded?
This is not related to Windows Defender Antivirus and other Microsoft antimalware. You can find out more from the SmartScreen website.

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---
title: Information for developers
description: This page provides answers to common questions we receive from software developers and other useful resources
keywords: software, developer, faq, dispute, false-positive, classify, installer, software, bundler, blocking
search.product: eADQiWindows 10XVcnh
ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
ms.pagetype: security
ms.author: macapara
author: mjcaparas
ms.localizationpriority: medium
ms.date: 07/13/2018
---
# Information for developers
Learn about the common questions we receive from software developers and get other developer resources such as detection criteria and file submissions.
## In this section
Topic | Description
:---|:---
[Software developer FAQ](developer-faq.md) | Provides answers to common questions we receive from software developers.
[Developer resources](developer-resources.md) | Provides information about how to submit files, detection criteria, and how to check your software against the latest definitions and cloud protection from Microsoft.

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---
title: Software developer resources
description: This page provides information for developers such as detection criteria, developer questions, and how to check your software against definitions.
keywords: wdsi, software, developer, resources, detection, criteria, questions, scan, software, definitions, cloud, protection
search.product: eADQiWindows 10XVcnh
ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
ms.pagetype: security
ms.author: macapara
author: mjcaparas
ms.localizationpriority: medium
ms.date: 07/13/2018
---
# Software developer resources
Concerned about the detection of your software?
If you believe that your application or program has been incorrectly detected by Microsoft security software, submit the relevant files for analysis.
Check out the following resources for information on how to submit and view submissions:
- [Submit files](https://www.microsoft.com/en-us/wdsi/filesubmission)
- [View your submissions](https://www.microsoft.com/en-us/wdsi/submissionhistory)
## Additional resources
### Detection criteria
To objectively identify malware and unidentified software, Microsoft applies a set of criteria for evaluating malicious or potentially harmful code.
For more information, see
### Developer questions
Find more guidance about the file submission and detection dispute process in our FAQ for software developers.
For more information, see
### Scan your software
Use Windows Defender Antivirus to check your software against the latest definitions and cloud protection from Microsoft.
For more information, see

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---
title: Exploits and exploit kits
description: Learn about exploits, how they can infect devices, and what you can do to protect yourself.
keywords: security, malware, exploits, exploit kits, prevention, vulnerabilities
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Exploits and exploit kits
Exploits take advantage of vulnerabilities in software. A vulnerability is like a hole in your software that malware can use to get onto your device. Malware exploits these vulnerabilities to bypass your computer's security safeguards to infect your device.
## How exploits and exploit kits work
Exploits are often the first part of a larger attack. Hackers scan for outdated systems that contain critical vulnerabilities, which they then exploit by deploying targeted malware. Exploits often include what's called "shellcode". This is a small malware payload that's used to download additional malware from attacker-controlled networks. This allows hackers to infect devices and infiltrate organizations.
Exploit kits are more comprehensive tools that contain a collection of exploits. These kits scan devices for different kinds of software vulnerabilities and, if any are detected, deploys additional malware to further infect a device. Kits can use exploits targeting a variety of software, including Adobe Flash Player, Adobe Reader, Internet Explorer, Oracle Java and Sun Java.
The most common method used by attackers to distribute exploits and exploit kits is through webpages, but exploits can also arrive in emails. Some websites unknowingly and unwillingly host malicious code and exploits in their ads.
The infographic below shows how an exploit kit might attempt to exploit a device when a compromised webpage is visited.
![example of how exploit kits work](./images/ExploitKit.png)
*Example of how exploit kits work*
Several notable threats, including Wannacry, exploit the Server Message Block (SMB) vulnerability CVE-2017-0144 to launch malware.
Examples of exploit kits:
- Angler / [Axpergle](https://www.microsoft.com/wdsi/threats/malware-encyclopedia-description?Name=JS%2fAxpergle)
- [Neutrino](https://www.microsoft.com/wdsi/threats/malware-encyclopedia-description?Name=JS%2fNeutrino)
- [Nuclear](https://www.microsoft.com/wdsi/threats/malware-encyclopedia-description?Name=Exploit:JS/Neclu)
To learn more about exploits, read this blog post on [taking apart a double zero-day sample discovered in joint hunt with ESET.](https://cloudblogs.microsoft.com/microsoftsecure/2018/07/02/taking-apart-a-double-zero-day-sample-discovered-in-joint-hunt-with-eset/)
## How we name exploits
We categorize exploits in our Malware encyclopedia by the "platform" they target. For example, Exploit:Java/CVE-2013-1489.A is an exploit that targets a vulnerability in Java.
A project called "Common Vulnerabilities and Exposures (CVE)" is used by many security software vendors. The project gives each vulnerability a unique number, for example, CVE-2016-0778.
The portion "2016" refers to the year the vulnerability was discovered. The "0778" is a unique ID for this specific vulnerability.
You can read more on the [CVE website](https://cve.mitre.org/).
## How to protect against exploits
The best prevention for exploits is to keep your organization's [software up to date](https://portal.msrc.microsoft.com/). Software vendors provide updates for many known vulnerabilities and making sure these updates are applied to all devices is an important step to prevent malware.
For more general tips, see [prevent malware infection](prevent-malware-infection.md).

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---
title: Security intelligence
description: Safety tips about malware and how you can protect your organization
keywords: security, malware
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Security intelligence
Here you will find information about different types of malware, safety tips on how you can protect your organization, and resources for industry collaboration programs
* [Understand malware & other threats](understanding-malware.md)
* [How Microsoft identifies malware and PUA](criteria.md)
* [Submit files for analysis](submission-guide.md)
* [Safety Scanner download](safety-scanner-download.md)
Keep up with the latest malware news and research. Check out our [Windows security blogs](http://aka.ms/wdsecurityblog) and follow us on [Twitter](https://twitter.com/wdsecurity) for the latest news, discoveries, and protections.
Learn more about [Windows security](https://docs.microsoft.com/windows/security/index).

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---
title: Macro malware
description: Learn about how macro malware works, how it can infect devices, and what you can do to protect yourself.
keywords: security, malware, macro, protection
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Macro malware
Macros are a powerful way to automate common tasks in Microsoft Office and can make people more productive. However, macro malware uses this functionality to infect your device.
## How macro malware works
Macro malware hides in Microsoft Office files and are delivered as email attachments or inside ZIP files. These files use names that are intended to entice or scare people into opening them. They often look like invoices, receipts, legal documents, and more.
Macro malware was fairly common several years ago because macros ran automatically whenever a document was opened. However, in recent versions of Microsoft Office, macros are disabled by default. This means malware authors need to convince users to turn on macros so that their malware can run. They do this by showing fake warnings when a malicious document is opened.
We've seen macro malware download threats from the following families:
* [Ransom:MSIL/Swappa](https://www.microsoft.com/wdsi/threats/malware-encyclopedia-description?Name=Ransom:MSIL/Swappa.A)
* [Ransom:Win32/Teerac](Ransom:Win32/Teerac)
* [TrojanDownloader:Win32/Chanitor](https://www.microsoft.com/wdsi/threats/malware-encyclopedia-description?Name=TrojanDownloader:Win32/Chanitor.A)
* [TrojanSpy:Win32/Ursnif](https://www.microsoft.com/wdsi/threats/malware-encyclopedia-description?Name=TrojanSpy:Win32/Ursnif)
* [Win32/Fynloski](https://www.microsoft.com/en-us/wdsi/threats/malware-encyclopedia-description?Name=Win32/Fynloski)
* [Worm:Win32/Gamarue](https://www.microsoft.com/wdsi/threats/malware-encyclopedia-description?Name=Win32/Gamarue)
## How to protect against macro malware
* Make sure macros are disabled in your Microsoft Office applications. In enterprises, IT admins set the default setting for macros:
* [Enable or disable macros](https://support.office.com/article/Enable-or-disable-macros-in-Office-documents-7b4fdd2e-174f-47e2-9611-9efe4f860b12) in Office documents
* Dont open suspicious emails or suspicious attachments.
* Delete any emails from unknown people or with suspicious content. Spam emails are the main way macro malware spreads.
* Enterprises can prevent macro malware from running executable content using [ASR rules](https://docs.microsoft.com/en-us/windows/security/threat-protection/windows-defender-exploit-guard/enable-attack-surface-reduction#enable-and-audit-attack-surface-reduction-rules)
For more general tips, see [prevent malware infection](prevent-malware-infection.md).

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---
title: Malware names
description: Identifying malware vocabulary
keywords: security, malware, names
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Malware names
We name the malware and unwanted software that we detect according to the Computer Antivirus Research Organization (CARO) malware naming scheme. The scheme uses the following format:
![coordinated-malware-eradication](images/NamingMalware1.png)
When our analysts research a particular threat, they will determine what each of the components of the name will be.
## Type
Describes what the malware does on your computer. Worms, viruses, trojans, backdoors, and ransomware are some of the most common types of malware.
* Adware
* Backdoor
* Behavior
* BrowserModifier
* Constructor
* DDoS
* Exploit
* Hacktool
* Joke
* Misleading
* MonitoringTool
* Program
* PWS
* Ransom
* RemoteAccess
* Rogue
* SettingsModifier
* SoftwareBundler
* Spammer
* Spoofer
* Spyware
* Tool
* Trojan
* TrojanClicker
* TrojanDownloader
* TrojanNotifier
* TrojanProxy
* TrojanSpy
* VirTool
* Virus
* Worm
## Platforms
Indicates the operating system (such as Windows, Mac OS X, and Android) that the malware is designed to work on. The platform is also used to indicate programming languages and file formats.
### Operating systems
* AndroidOS: Android operating system
* DOS: MS-DOS platform
* EPOC: Psion devices
* FreeBSD: FreeBSD platform
* iPhoneOS: iPhone operating system
* Linux: Linux platform
* MacOS: MAC 9.x platform or earlier
* MacOS_X: MacOS X or later
* OS2: OS2 platform
* Palm: Palm operating system
* Solaris: System V-based Unix platforms
* SunOS: Unix platforms 4.1.3 or lower
* SymbOS: Symbian operating system
* Unix: general Unix platforms
* Win16: Win16 (3.1) platform
* Win2K: Windows 2000 platform
* Win32: Windows 32-bit platform
* Win64: Windows 64-bit platform
* Win95: Windows 95, 98 and ME platforms
* Win98: Windows 98 platform only
* WinCE: Windows CE platform
* WinNT: WinNT
### Scripting languages
* ABAP: Advanced Business Application Programming scripts
* ALisp: ALisp scripts
* AmiPro: AmiPro script
* ANSI: American National Standards Institute scripts
* AppleScript: compiled Apple scripts
* ASP: Active Server Pages scripts
* AutoIt: AutoIT scripts
* BAS: Basic scripts
* BAT: Basic scripts
* CorelScript: Corelscript scripts
* HTA: HTML Application scripts
* HTML: HTML Application scripts
* INF: Install scripts
* IRC: mIRC/pIRC scripts
* Java: Java binaries (classes)
* JS: Javascript scripts
* LOGO: LOGO scripts
* MPB: MapBasic scripts
* MSH: Monad shell scripts
* MSIL: .Net intermediate language scripts
* Perl: Perl scripts
* PHP: Hypertext Preprocessor scripts
* Python: Python scripts
* SAP: SAP platform scripts
* SH: Shell scripts
* VBA: Visual Basic for Applications scripts
* VBS: Visual Basic scripts
* WinBAT: Winbatch scripts
* WinHlp: Windows Help scripts
* WinREG: Windows registry scripts
### Macros
* A97M: Access 97, 2000, XP, 2003, 2007, and 2010 macros
* HE: macro scripting
* O97M: Office 97, 2000, XP, 2003, 2007, and 2010 macros - those that affect Word, Excel, and Powerpoint
* PP97M: PowerPoint 97, 2000, XP, 2003, 2007, and 2010 macros
* V5M: Visio5 macros
* W1M: Word1Macro
* W2M: Word2Macro
* W97M: Word 97, 2000, XP, 2003, 2007, and 2010 macros
* WM: Word 95 macros
* X97M: Excel 97, 2000, XP, 2003, 2007, and 2010 macros
* XF: Excel formulas
* XM: Excel 95 macros
### Other file types
* ASX: XML metafile of Windows Media .asf files
* HC: HyperCard Apple scripts
* MIME: MIME packets
* Netware: Novell Netware files
* QT: Quicktime files
* SB: StarBasic (Staroffice XML) files
* SWF: Shockwave Flash files
* TSQL: MS SQL server files
* XML: XML files
## Family
Grouping of malware based on common characteristics, including attribution to the same authors. Security software providers sometimes use different names for the same malware family.
## Variant letter
Used sequentially for every distinct version of a malware family. For example, the detection for the variant ".AF" would have been created after the detection for the variant ".AE".
## Suffixes
Provides extra detail about the malware, including how it is used as part of a multicomponent threat. In the example above, "!lnk" indicates that the threat component is a shortcut file used by Trojan:Win32/Reveton.T.
* .dam: damaged malware
* .dll: Dynamic Link Library component of a malware
* .dr: dropper component of a malware
* .gen: malware that is detected using a generic signature
* .kit: virus constructor
* .ldr: loader component of a malware
* .pak: compressed malware
* .plugin: plug-in component
* .remnants: remnants of a virus
* .worm: worm component of that malware
* !bit: an internal category used to refer to some threats
* !cl: an internal category used to refer to some threats
* !dha: an internal category used to refer to some threats
* !pfn: an internal category used to refer to some threats
* !plock: an internal category used to refer to some threats
* !rfn: an internal category used to refer to some threats
* !rootkit: rootkit component of that malware
* @m: worm mailers
* @mm: mass mailer worm

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---
title: Phishing
description: Learn about how phishing work, deliver malware do your devices, and what you can do to protect yourself
keywords: security, malware, phishing, information, scam, social engineering, bait, lure, protection, trends, targeted attack
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Phishing
Phishing attacks attempt to steal sensitive information through emails, websites, text messages, or other forms of electronic communication that often look to be official communication from legitimate companies or individuals.
The information that phishers (as the cybercriminals behind phishing attacks are called) attempt to steal can be user names and passwords, credit card details, bank account information, or other credentials. Attackers can then use stolen information for malicious purposes, such as hacking, identity theft, or stealing money directly from bank accounts and credit cards. Phishers can also sell the information in cybercriminal underground marketplaces.
## How phishing works
Phishing attacks are scams that often use social engineering bait or lure content. For example, during tax season, bait content involves tax-filing announcements that attempt to lure you into providing your personal information such as your Social Security number or bank account information.
Legitimate-looking communication, usually email, that links to a phishing site is one of the most common methods used in phishing attacks. The phishing site typically mimics sign-in pages that require users to input login credentials and account information. The phishing site then captures the sensitive information as soon as the user provides it, giving attackers access to the information.
Another common phishing technique is the use of emails that direct you to open a malicious attachment, for example a PDF file. The attachment often contains a message asking you to provide login credentials to another site such as email or file sharing websites to open the document. When you access these phishing sites using your login credentials, the attacker now has access to your information and can gain additional personal information about you.
## Phishing trends and techniques
### Invoice phishing
In this scam, the attacker attempts to lure you with an email stating that you have an outstanding invoice from a known vendor or company and provides a link for you to access and pay your invoice. When you access the site, the attacker is poised to steal your personal information and funds.
### Payment/delivery scam
You are asked to provide a credit card or other personal information so that your payment information can be updated with a commonly known vendor or supplier. The update is requested so that you can take delivery of your ordered goods. Generally, you may be familiar with the company and have likely done business with them in the past, but you are not aware of any items you have recently purchased from them.
### Tax-themed phishing scams
A common IRS phishing scams is one in which an urgent email letter is sent indicating that you owe money to the IRS. Often the email threatens legal action if you do not access the site in a timely manner and pay your taxes. When you access the site, the attackers can steal your personal credit card or bank information and drain your accounts.
### Downloads
Another frequently-used phishing scam is one in which an attacker sends a fraudulent email requesting you to open or download a document, often one requiring you to sign in.
### Phishing emails that deliver other threats
Phishing emails can be very effective, and so attackers can using them to distribute [ransomware](ransomware-malware.md) through links or attachments in emails. When run, the ransomware encrypts files and displays a ransom note, which asks you to pay a sum of money to access to your files.
We have also seen phishing emails that have links to [tech support scam](support-scams.md) websites, which use various scare tactics to trick you into calling hotlines and paying for unnecessary "technical support services" that supposedly fix contrived device, platform, or software problems.
## Targeted attacks against enterprises
### Spear phishing
Spear phishing is a targeted phishing attack that involves highly customized lure content. To perform spear phishing, attackers will typically do reconnaissance work, surveying social media and other information sources about their intended target.
Spear phishing may involve tricking you into logging into fake sites and divulging credentials. Spear phishing may also be designed to lure you into opening documents by clicking on links that automatically install malware. With this malware in place, attackers can remotely manipulate the infected computer.
The implanted malware serves as the point of entry for a more sophisticated attack known as an advanced persistent threat (APT). APTs are generally designed to establish control and steal data over extended periods. As part of the attack, attackers often try to deploy more covert hacking tools, move laterally to other computers, compromise or create privileged accounts, and regularly exfiltrate information from compromised networks.
### Whaling
Whaling is a form of phishing in which the attack is directed at high-level or senior executives within specific companies with the direct goal of gaining access to their credentials and/or bank information. The content of the email may be written as a legal subpoena, customer complaint, or other executive issue. This type of attack can also lead to an APT attack within an organization. When the links or attachment are opened, it can assist the attacker in accessing credentials and other personal information, or launch a malware that will lead to an APT.
### Business email compromise
Business email compromise (BEC) is a sophisticated scam that targets businesses often working with foreign suppliers and businesses that regularly perform wire transfer payments. One of the most common schemes used by BEC attackers involves gaining access to a companys network through a spear phishing attack, where the attacker creates a domain similar to the company they are targeting or spoofs their email to scam users into releasing personal account information for money transfers.
## How to protect against phishing attacks
Social engineering attacks are designed to take advantage of a user's possible lapse in decision-making. Be aware and never provide sensitive or personal information through email or unknown websites, or over the phone. Remember, phishing emails are designed to appear legitimate.
### Awareness
The best protection is awareness and education. Dont open attachments or click links in unsolicited emails, even if the emails came from a recognized source. If the email is unexpected, be wary about opening the attachment and verify the URL.
Enterprises should educate and train their employees to be wary of any communication that requests personal or financial information, and instruct them to report the threat to the companys security operations team immediately.
Here are several telltale signs of a phishing scam:
* The links or URLs provided in emails are **not pointing to the correct location** or are attempting to have you access a third-party site that is not affiliated with the sender of the email. For example, in the image below the URL provided does not match the URL that you will be taken to.
![example of how exploit kits work](./images/URLhover.png)
* There is a **request for personal information** such as social security numbers or bank or financial information. Official communications won't generally request personal information from you in the form of an email.
* **Items in the email address will be changed** so that it is similar enough to a legitimate email address but has added numbers or changed letters.
* The message is **unexpected and unsolicited**. If you suddenly receive an email from an entity or a person you rarely deal with, consider this email suspect.
* The message or the attachment asks you to **enable macros, adjust security settings, or install applications**. Normal emails will not ask you to do this.
* The message contains **errors**. Legitimate corporate messages are less likely to have typographic or grammatical errors or contain wrong information.
* The **sender address does not match** the signature on the message itself. For example, an email is purported to be from Mary of Contoso Corp, but the sender address is john<span></span>@example.com.
* There are **multiple recipients** in the “To” field and they appear to be random addresses. Corporate messages are normally sent directly to individual recipients.
* The greeting on the message itself **does not personally address you**. Apart from messages that mistakenly address a different person, those that misuse your name or pull your name directly from your email address tend to be malicious.
* The website looks familiar but there are **inconsistencies or things that are not quite right** such as outdated logos, typos, or ask users to give additional information that is not asked by legitimate sign-in websites.
* The page that opens is **not a live page** but rather an image that is designed to look like the site you are familiar with. A pop-up may appear that requests credentials.
If in doubt, contact the business by known channels to verify if any suspicious emails are in fact legitimate.
For more information, download and read this Microsoft [e-book on preventing social engineering attacks](https://info.microsoft.com/Protectyourweakestlink.html?ls=social), especially in enterprise environments.
### Software solutions for organizations
* [Microsoft Edge](https://docs.microsoft.com/microsoft-edge/deploy/index) and [Windows Defender Application Guard](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-application-guard/wd-app-guard-overview) offer protection from the increasing threat of targeted attacks using Microsoft's industry leading Hyper-V virtualization technology. If a browsed website is deemed untrusted, the Hyper-V container will isolate that device from the rest of your network thereby preventing access to your enterprise data.
* [Microsoft Exchange Online Protection (EOP)](https://products.office.com/exchange/exchange-email-security-spam-protection) offers enterprise-class reliability and protection against spam and malware, while maintaining access to email during and after emergencies. Using various layers of filtering, EOP can provide different controls for spam filtering, such as bulk mail controls and international spam, that will further enhance your protection services.
* Use [Office 365 Advanced Threat Protection (ATP)](https://products.office.com/exchange/online-email-threat-protection?ocid=cx-blog-mmpc) to help protect your email, files, and online storage against malware. It offers holistic protection in Microsoft Teams, Word, Excel, PowerPoint, Visio, SharePoint Online, and OneDrive for Business. By protecting against unsafe attachments and expanding protection against malicious links, it complements the security features of Exchange Online Protection to provide better zero-day protection.
For more tips and software solutions, see [prevent malware infection](prevent-malware-infection.md).
## What do I do if I've already been a victim of a phishing scam?
If you feel that you have been a victim of a phishing attack, contact your IT Admin. You should also immediately change all passwords associated with the accounts, and report any fraudulent activity to your bank, credit card company, etc.
### Reporting spam
Submit phishing scam emails to **Microsoft** by sending an email with the scam as an attachment to: phish@office365.microsoft.com. For more information on submitting messages to Microsoft, see [Submit spam, non-spam, and phishing scam messages to Microsoft for analysis](https://docs.microsoft.com/en-us/office365/SecurityCompliance/submit-spam-non-spam-and-phishing-scam-messages-to-microsoft-for-analysis).
For Outlook and Outlook on the web users, use the **Report Message Add-in** for Microsoft Outlook. For information about how to install and use this tool, see [Enable the Report Message add-in](https://support.office.com/article/4250c4bc-6102-420b-9e0a-a95064837676).
Send an email with the phishing scam to **The Anti-Phishing Working Group**: reportphishing@apwg.org. The group uses reports generated from emails sent to fight phishing scams and hackers. ISPs, security vendors, financial institutions and law enforcement agencies are involved.
## Where to find more information about phishing attacks
For information on the latest Phishing attacks, techniques, and trends, you can read these entries on the [Windows Security blog](https://cloudblogs.microsoft.com/microsoftsecure/?product=windows,windows-defender-advanced-threat-protection):
* [Phishers unleash simple but effective social engineering techniques using PDF attachments](https://cloudblogs.microsoft.com/microsoftsecure/2017/01/26/phishers-unleash-simple-but-effective-social-engineering-techniques-using-pdf-attachments/?source=mmpc)
* [Tax themed phishing and malware attacks proliferate during the tax filing season](https://cloudblogs.microsoft.com/microsoftsecure/2017/03/20/tax-themed-phishing-and-malware-attacks-proliferate-during-the-tax-filing-season/?source=mmpc)
* [Phishing like emails lead to tech support scam](https://cloudblogs.microsoft.com/microsoftsecure/2017/08/07/links-in-phishing-like-emails-lead-to-tech-support-scam/?source=mmpc)

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---
title: Prevent malware infection
description: Malware prevention best practices
keywords: security, malware, prevention, infection, tips
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Prevent malware infection
Malware authors are always looking for new ways to infect computers. Follow the simple tips below to stay protected and minimize threats to your data and accounts.
You can also browse the many [software and application solutions](https://review.docs.microsoft.com/en-us/windows/security/intelligence/prevent-malware-infection?branch=wdsi-migration-stuff#software-solutions) available to you.
## Keep software up-to-date
[Exploits](exploits-malware.md) typically use vulnerabilities in popular software such as web browsers, Java, Adobe Flash Player, and Microsoft Office to infect devices. Software updates patch vulnerabilities so they aren't available to exploits anymore.
To keep Microsoft software up to date, ensure that [automatic Microsoft Updates](https://support.microsoft.com/help/12373/windows-update-faq) are enabled. Also, upgrade to the latest version of Windows to benefit from a host of built-in security enhancements.
## Be wary of links and attachments
Email and other messaging tools are a few of the most common ways your device can get infected. Attachments or links in messages can open malware directly or can stealthily trigger a download. Some emails will give instructions to allow macros or other executable content designed to make it easier for malware to infect your devices.
* Use an email service that provides protection against malicious attachments, links, and abusive senders. [Microsoft Office 365](https://support.office.com/article/Anti-spam-and-anti-malware-protection-in-Office-365-5ce5cf47-2120-4e51-a403-426a13358b7e) has built-in antimalware, link protection, and spam filtering.
For more information, see [Phishing](phishing.md).
## Watch out for malicious or compromised websites
By visiting malicious or compromised sites, your device can get infected with malware automatically or you can get tricked into downloading and installing malware. See [exploits and exploit kits](exploits-malware.md) as an example of how some of these sites can automatically install malware to visiting computers.
To identify potentially harmful websites, keep the following in mind:
* The initial part (domain) of a website address should represent the company that owns the site you are visiting. Check the domain for misspellings. For example, malicious sites commonly use domain names that swap the letter O with a zero (0) or the letters L and I with a one (1). If example<span></span>.com is spelled examp1e<span></span>.com, the site you are visiting is suspect.
* Sites that aggressively open popups and display misleading buttons often trick users into accepting content through constant popups or mislabeled buttons.
To block malicious websites, use a modern web browser like [Microsoft Edge](http://www.microsoft.com/windows/microsoft-edge?ocid=cx-wdsi-articles) which identifies phishing and malware websites and checks downloads for malware.
If you encounter an unsafe site, click **More […] > Send feedback** on Microsoft Edge. You can also [report unsafe sites directly to Microsoft](https://www.microsoft.com/wdsi/support/report-unsafe-site).
### Pirated material on compromised websites
Using pirated content is not only illegal, it can also expose your device to malware. Sites that offer pirated software and media are also often used to distribute malware when the site is visited. Sometimes pirated software is bundled with malware and other unwanted software when downloaded, including intrusive browser plugins and adware.
Users do not openly discuss visits to these sites, so any untoward experience are more likely to stay unreported.
To stay safe, download movies, music, and apps from official publisher websites or stores. Consider running a streamlined OS such as [Windows 10 Pro SKU S Mode](https://www.microsoft.com/windows/windows-10-s?ocid=cx-wdsi-articles), which ensures that only vetted apps from the Windows Store are installed.
## Don't attach unfamiliar removable drives
Some types of malware can spread by copying themselves to USB flash drives or other removable drives. There are malicious individuals that intentionally prepare and distribute infected drives—leaving these drives in public places to victimize unsuspecting individuals.
Only use removable drives that you are familiar with or that come from a trusted source. If a drive has been used in publicly accessible devices, like computers in a café or a library, make sure you have antimalware running on your computer before you use the drive. Avoid opening unfamiliar files you find on suspect drives, including Office and PDF documents and executable files.
## Use a non-administrator account
At the time they are launched, whether inadvertently by a user or automatically, most malware run under the same privileges as the active user. This means that by limiting account privileges, you can prevent malware from making consequential changes any devices.
By default, Windows uses [User Account Control (UAC)](https://docs.microsoft.com/windows/access-protection/user-account-control/user-account-control-overview) to provide automatic, granular control of privileges—it temporarily restricts privileges and prompts the active user every time an application attempts to make potentially consequential changes to the system. Although UAC helps limit the privileges of admin users, users can simply override this restriction when prompted. As a result, it is quite easy for an admin user to inadvertently allow malware to run.
To help ensure that everyday activities do not result in malware infection and other potentially catastrophic changes, it is recommended that you use a non-administrator account for regular use. By using a non-administrator account, you can prevent installation of unauthorized apps and prevent inadvertent changes to system settings. Avoid browsing the web or checking email using an account with administrator privileges.
Whenever necessary, log in as an administrator to install apps or make configuration changes that require admin privileges.
[Read about creating user accounts and giving administrator privileges](https://support.microsoft.com/help/4026923/windows-create-a-local-user-or-administrator-account-in-windows-10)
## Other safety tips
To further ensure that data is protected from malware as well as other threats:
* Backup files. Follow the 3-2-1 rule: make **3 copies**, store in at least **2 locations**, with at least **1 offline copy**. Use [OneDrive](https://onedrive.live.com/about/?ocid=cx-wdsi-articles) for reliable cloud-based copies that allows access to files from multiple devices and helps recover damaged or lost files, including files locked by ransomware.
* Be wary when connecting to public hotspots, particularly those that do not require authentication.
* Use [strong passwords](https://support.microsoft.com/help/12410/microsoft-account-help-protect-account) and enable multi-factor authentication.
* Do not use untrusted devices to log on to email, social media, and corporate accounts.
## Software solutions
Microsoft provides comprehensive security capabilities that help protect against threats. We recommend:
* [Automatic Microsoft updates](https://support.microsoft.com/help/12373/windows-update-faq) keeps software up-to-date to get the latest protections.
* [Controlled folder access](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-exploit-guard/enable-controlled-folders-exploit-guard) stops ransomware in its tracks by preventing unauthorized access to your important files. Controlled folder access locks down folders, allowing only authorized apps to access files. Unauthorized apps, including ransomware and other malicious executable files, DLLs, and scripts are denied access.
* [Microsoft Edge](https://docs.microsoft.com/microsoft-edge/deploy/index) browser protects against threats such as ransomware by preventing exploit kits from running. By using Microsoft [SmartScreen](https://docs.microsoft.com/en-us/microsoft-edge/deploy/index), Microsoft Edge blocks access to malicious websites.
* [Microsoft Exchange Online Protection (EOP)](https://products.office.com/exchange/exchange-email-security-spam-protection) offers enterprise-class reliability and protection against spam and malware, while maintaining access to email during and after emergencies.
* [Microsoft Safety Scanner](https://www.microsoft.com/wdsi/products/scanner) helps remove malicious software from computers. NOTE: This tool does not replace your antimalware product.
* [Microsoft 365](https://docs.microsoft.com/microsoft-365/enterprise/#pivot=itadmin&panel=it-security) includes Office 365, Windows 10, and Enterprise Mobility + Security. These resources power productivity while providing intelligent security across users, devices, and data.
* [Office 365 Advanced Threat Protection](https://technet.microsoft.com/library/exchange-online-advanced-threat-protection-service-description.aspx) includes machine learning capabilities that block dangerous emails, including millions of emails carrying ransomware downloaders.
* [OneDrive for Business](https://support.office.com/article/restore-a-previous-version-of-a-file-in-onedrive-159cad6d-d76e-4981-88ef-de6e96c93893?ui=en-US&rs=en-US&ad=US) can back up files, which you would then use to restore files in the event of an infection.
* [Windows Defender Advanced Threat Protection](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-atp/windows-defender-advanced-threat-protection) provides comprehensive endpoint protection, detection, and response capabilities to help prevent ransomware. In the event of a breach, Windows Defender ATP alerts security operations teams about suspicious activities and automatically attempts to resolve the problem. This includes alerts for suspicious PowerShell commands, connecting to a TOR website, launching self-replicated copies, and deletion of volume shadow copies. Try Windows Defender ATP free of charge.
* [Windows Hello for Business](https://docs.microsoft.com/windows/security/identity-protection/hello-for-business/hello-identity-verification) replaces passwords with strong two-factor authentication on your devices. This authentication consists of a new type of user credential that is tied to a device and uses a biometric or PIN. It lets user authenticate to an Active Directory or Azure Active Directory account.
### Earlier than Windows 10 (not recommended)
* [Microsoft Security Essentials](https://www.microsoft.com/download/details.aspx?id=5201) provides real-time protection for your home or small business device that guards against viruses, spyware, and other malicious software.
## What to do with a malware infection
Windows Defender ATP antivirus capabilities helps reduce the chances of infection and will automatically remove threats that it detects.
In case threat removal is unsuccessful, read about [troubleshooting malware detection and removal problems](https://www.microsoft.com/wdsi/help/troubleshooting-infection).

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---
title: Ransomware
description: Learn about ransomware, how it works, and what you can do to protect yourself.
keywords: security, malware, ransomware, encryption, extortion, money, key, infection, prevention, tips
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Ransomware
Ransomware is a type of malware that encrypts files and folders, preventing access to important files. Ransomware attempts to extort money from victims by asking for money, usually in form of cryptocurrencies, in exchange for the decryption key. But cybercriminals won't always follow through and unlock the files they encrypted.
The trend towards increasingly sophisticated malware behavior, highlighted by the use of exploits and other attack vectors, makes older platforms especially susceptible to ransomware attacks.
## How ransomware works
Most ransomware infections start with:
* Email messages with attachments that try to install ransomware.
* Websites hosting [exploit kits](exploits-malware.md) that attempt to use vulnerabilities in web browsers and other software to install ransomware.
Once ransomware infects a device, it starts encrypting files, folders, entire hard drive partitions using encryption algorithms like RSA or RC4.
Ransomware is one of the most lucrative revenue channels for cybercriminals, so malware authors continually improve their malware code to better target enterprise environments. Ransomware-as-a-service is a cybercriminal business model in which malware creators sell their ransomware and other services to cybercriminals, who then operate the ransomware attacks. The business model also defines profit sharing between the malware creators, ransomware operators, and other parties that may be involved. For cybercriminals, ransomware is a big business, at the expense of individuals and businesses.
### Examples
Sophisticated ransomware like **Spora**, **WannaCrypt** (also known as WannaCry), and **Petya** (also known as NotPetya) spread to other computers via network shares or exploits.
* Spora drops ransomware copies in network shares.
* WannaCrypt exploits the Server Message Block (SMB) vulnerability CVE-2017-0144 (also called EternalBlue) to infect other computers.
* A Petya variant exploits the same vulnerability, in addition to CVE-2017-0145 (also known as EternalRomance), and uses stolen credentials to move laterally across networks.
Older ransomware like **Reveton** locks screens instead of encrypting files. They display a full screen image and then disable Task Manager. The files are safe, but they are effectively inaccessible. The image usually contains a message claiming to be from law enforcement that says the computer has been used in illegal cybercriminal activities and fine needs to be paid. Because of this, Reveton is nicknamed "Police Trojan" or "Police ransomware".
Ransomware like **Cerber** and **Locky** search for and encrypt specific file types, typically document and media files. When the encryption is complete, the malware leaves a ransom note using text, image, or an HTML file with instructions to pay a ransom to recover files.
**Bad Rabbit** ransomware was discovered attempting to spread across networks using hardcoded usernames and passwords in brute force attacks.
## How to protect against ransomware
Organizations can be targeted specifically by attackers, or they can be caught in the wide net cast by cybercriminal operations. Large organizations are high value targets and attackers can demand bigger ransoms.
We recommend:
* Back up important files regularly. Use the 3-2-1 rule. Keep three backups of your data, on two different storage types, and at least one backup offsite.
* Apply the latest updates to your operating systems and apps.
* Educate your employees so they can identify social engineering and spear-phishing attacks.
* [Controlled folder access](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-exploit-guard/enable-controlled-folders-exploit-guard). It can stop ransomware from encrypting files and holding the files for ransom.
For more general tips, see [prevent malware infection](prevent-malware-infection.md).

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---
title: Rootkits
description: Learn about rootkits, how they hide malware on your device, and what you can do to protect yourself.
keywords: security, malware, rootkit, hide, protection, hiding
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Rootkits
Malware authors use rootkits to hide malware on your device, allowing malware to persist as long as possible. A successful rootkit can potentially remain in place for years if it is undetected. During this time it will steal information and resources.
## How rootkits work
Rootkits intercept and change standard operating system processes. After a rootkit infects a device, you cant trust any information that device reports about itself.
For example, if you were to ask a device to list all of the programs that are running, the rootkit might stealthily remove any programs it doesnt want you to know about. Rootkits are all about hiding things. They want to hide both themselves and their malicious activity on a device.
Many modern malware families use rootkits to try and avoid detection and removal, including:
* [Alureon](http://www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=Win32%2fAlureon)
* [Cutwail](http://www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=Win32%2fCutwail)
* [Datrahere](https://www.microsoft.com/en-us/wdsi/threats/malware-encyclopedia-description?Name=Trojan:Win64/Detrahere) (Zacinlo)
* [Rustock](http://www.microsoft.com/security/portal/threat/encyclopedia/entry.aspx?Name=Win32%2fRustock)
* [Sinowal](http://www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=Win32%2fSinowal)
* [Sirefef](http://www.microsoft.com/security/portal/threat/encyclopedia/Entry.aspx?Name=Win32%2fSirefef)
## How to protect against rootkits
Like any other type of malware, the best way to avoid rootkits is to prevent it from being installed in the first place.
* Apply the latest updates to operating systems and apps.
* Educate your employees so they can be wary of suspicious websites and emails.
* Back up important files regularly. Use the 3-2-1 rule. Keep three backups of your data, on two different storage types, and at least one backup offsite.
For more general tips, see [prevent malware infection](prevent-malware-infection.md).
### What if I think I have a rootkit on my device?
Microsoft security software includes a number of technologies designed specifically to remove rootkits. If you think you might have a rootkit on your device and your antimalware software isnt detecting it, you might need an extra tool that lets you boot to a known trusted environment.
[Windows Defender Offline](http://windows.microsoft.com/windows/what-is-windows-defender-offline) can be launched from Windows Security Center and has the latest anti-malware updates from Microsoft. Its designed to be used on devices that aren't working correctly due to a possible malware infection.
[System Guard](https://cloudblogs.microsoft.com/microsoftsecure/2017/10/23/hardening-the-system-and-maintaining-integrity-with-windows-defender-system-guard/) in Windows 10 protects against rootkits and threats that impact system integrity.
### What if I cant remove a rootkit?
If the problem persists, we strongly recommend reinstalling the operating system and security software. You should then restore your data from a backup.

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---
title: Microsoft Safety Scanner Download
description: Get the Microsoft Safety Scanner tool to find and remove malware from Windows computers.
keywords: security, malware
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: high
ms.author: dansimp
author: dansimp
ms.date: 08/01/2018
---
# Microsoft Safety Scanner
Microsoft Safety Scanner is a scan tool designed to find and remove malware from Windows computers. Simply download it and run a scan to find malware and try to reverse changes made by identified threats.
- [Download 32-bit](https://go.microsoft.com/fwlink/?LinkId=212733)
- [Download 64-bit](https://go.microsoft.com/fwlink/?LinkId=212732)
Safety Scanner only scans when manually triggered and is available for use 10 days after being downloaded. We recommend that you always download the latest version of this tool before each scan.
> **NOTE:** This tool does not replace your antimalware product. For real-time protection with automatic updates, use [Windows Defender Antivirus on Windows 10 and Windows 8](https://www.microsoft.com/en-us/windows/windows-defender) or [Microsoft Security Essentials on Windows 7](https://support.microsoft.com/en-us/help/14210/security-essentials-download). These antimalware products also provide powerful malware removal capabilities. If you are having difficulties removing malware with these products, you can refer to our help on [removing difficult threats](https://www.microsoft.com/en-us/wdsi/help/troubleshooting-infection).
## System requirements
Safety Scanner helps remove malicious software from computers running Windows 10, Windows 10 Tech Preview, Windows 8.1, Windows 8, Windows 7, Windows Server 2016, Windows Server Tech Preview, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, or Windows Server 2008. Please refer to the [Microsoft Lifecycle Policy](https://support.microsoft.com/en-us/lifecycle).
## How to run a scan
1. Download this tool and open it.
2. Select the type of scan you want run and start the scan.
3. Review the scan results displayed on screen. The tool lists all identified malware.
To remove this tool, delete the executable file (msert.exe by default).
For more information about the Safety Scanner, see the support article on [how to troubleshoot problems using Safety Scanner](https://support.microsoft.com/en-us/kb/2520970).
## Related resources
- [Troubleshooting Safety Scanner](https://support.microsoft.com/en-us/kb/2520970)
- [Windows Defender Antivirus](https://www.microsoft.com/en-us/windows/windows-defender)
- [Microsoft Security Essentials](https://support.microsoft.com/en-us/help/14210/security-essentials-download)
- [Removing difficult threats](https://www.microsoft.com/en-us/wdsi/help/troubleshooting-infection)
- [Submit file for malware analysis](https://www.microsoft.com/en-us/wdsi/filesubmission)
- [Microsoft antimalware and threat protection solutions](https://www.microsoft.com/en-us/wdsi/products)

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---
title: How Microsoft identifies malware and potentially unwanted applications
description: criteria
keywords: security, malware
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/01/2018
---
# Submit files for analysis
If you have a file that you suspect might be malware or is being incorrectly detected, you can submit it to us for analysis. This page has answers to some common questions about submitting a file for analysis.
## How do I send a malware file to Microsoft?
You can send us files that you think might be malware or files that have been incorrectly detected through the [sample submission portal](https://www.microsoft.com/wdsi/filesubmission).
We receive a large number of samples from many sources. Our analysis is prioritized by the number of file detections and the type of submission. You can help us complete a quick analysis by providing detailed information about the product you were using and what you were doing when you found the file.
If you sign in before you submit a sample, you will be able to track your submissions.
## Can I send a sample by email?
No, we only accept submissions through our [sample submission portal](https://www.microsoft.com/wdsi/filesubmission).
## Can I submit a sample without signing in?
Yes, you many submit a file as an anonymous home customer. You will get a link to a webpage where you can view the status of the submission.
If you're an enterprise customer, you need to sign in so that we can prioritize your submission appropriately. If you are currently experiencing a virus outbreak or security-related incident, you should contact your designated Microsoft support professional or go to [Microsoft Support](https://support.microsoft.com/) for immediate assistance.
## What is the Software Assurance ID (SAID)?
The [Software Assurance ID (SAID)](https://www.microsoft.com/licensing/licensing-programs/software-assurance-default.aspx) is for enterprise customers to track support entitlements. The submission portal accepts and retains SAID information and allows customers with valid SAIDs to make higher priority submissions.
### How do I dispute the detection of my program?
[Submit the file](https://www.microsoft.com/wdsi/filesubmission) in question as a software developer. Wait until your submission has a final determination.
If youre not satisfied with our determination of the submission, use the developer contact form provided with the submission results to reach Microsoft. We will use the information you provide to investigate further if necessary.
We encourage all software vendors and developers to read about [how Microsoft identifies malware and unwanted software](criteria.md).
## How do I track or view past sample submissions?
You can track your submissions through the [submission history page](https://www.microsoft.com/en-us/wdsi/submissionhistory). Your submission will only appear on this page if you were signed in when you submitted it.
If youre not signed in when you submit a sample, you will be redirected to a tracking page. Bookmark this page if you want to come back and check on the status of your submission.
## What does the submission status mean?
Each submission is shown to be in one of the following status types:
* Submitted—the file has been received
* In progress—an analyst has started checking the file
* Closed—a final determination has been given by an analyst
If you are signed in, you can see the status of any files you submit to us on the [submission history page](https://www.microsoft.com/en-us/wdsi/submissionhistory).
## How does Microsoft prioritize submissions
Processing submissions take dedicated analyst resource. Because we regularly receive a large number of submissions, we handle them based on a priority. The following factors affect how we prioritize submissions:
* Prevalent files with the potential to impact large numbers of computers are prioritized.
* Authenticated customers, especially enterprise customers with valid [Software Assurance IDs (SAIDs)](https://www.microsoft.com/licensing/licensing-programs/software-assurance-default.aspx), are given priority.
* Submissions flagged as high priority by SAID holders are given immediate attention.
Your submission is immediately scanned by our systems to give you the latest determination even before an analyst starts handling your case. Note that the same file may have already been processed by an analyst. To check for updates to the determination, select rescan on the submission details page.

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---
title: Supply chain attacks
description: Learn about how supply chain attacks work, deliver malware do your devices, and what you can do to protect yourself
keywords: security, malware, protection, supply chain, hide, distribute, trust, compromised
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Supply chain attacks
Supply chain attacks are an emerging kind of threat that target software developers and suppliers. The goal is to access source codes, build processes, or update mechanisms by infecting legitimate apps to distribute malware.
## How supply chain attacks work
Attackers hunt for unsecure network protocols, unprotected server infrastructures, and unsafe coding practices. They break in, change source codes, and hide malware in build and update processes.
Because software is built and released by trusted vendors, these apps and updates are signed and certified. In software supply chain attacks, vendors are likely unaware that their apps or updates are infected with malicious code when theyre released to the public. The malicious code then runs with the same trust and permissions as the app.
The number of potential victims is significant, given the popularity of some apps. A case occurred where a free file compression app was poisoned and deployed to customers in a country where it was the top utility app.
### Types of supply chain attacks
* Compromised software building tools or updated infrastructure
* Stolen code-sign certificates or signed malicious apps using the identity of dev company
* Compromised specialized code shipped into hardware or firmware components
* Pre-installed malware on devices (cameras, USB, phones, etc.)
To learn more about supply chain attacks, read this blog post called [attack inception: compromised supply chain within a supply chain poses new risks](https://cloudblogs.microsoft.com/microsoftsecure/2018/07/26/attack-inception-compromised-supply-chain-within-a-supply-chain-poses-new-risks/).
## How to protect against supply chain attacks
* Deploy strong code integrity policies to allow only authorized apps to run.
* Use endpoint detection and response solutions that can automatically detect and remediate suspicious activities.
### For software vendors and developers
* Take steps to ensure your apps are not compromised.
* Maintain a secure and up-to-date infrastructure. Restrict access to critical build systems.
* Immediately apply security patches for OS and software.
* Require multi-factor authentication for admins.
* Build secure software update processes as part of the software development lifecycle.
* Develop an incident response process for supply chain attacks.
For more general tips on protecting your systems and devices, see [prevent malware infection](prevent-malware-infection.md).

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---
title: Tech Support Scams
description: Learn about how supply chain attacks work, deliver malware do your devices, and what you can do to protect yourself
keywords: security, malware, tech support, scam, protection, trick, spoof, fake, error messages, report
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Tech support scams
Tech support scams are an industry-wide issue where scammers use scare tactics to trick users into paying for unnecessary technical support services that supposedly fix contrived device, platform, or software problems.
## How tech support scams work
Scammers may call you directly on your phone and pretend to be representatives of a software company. They might even spoof the caller ID so that it displays a legitimate support phone number from a trusted company. They can then ask you to install applications that give them remote access to your device. Using remote access, these experienced scammers can misrepresent normal system output as signs of problems.
Scammers might also initiate contact by displaying fake error messages on websites you visit, displaying support numbers and enticing you to call. They can also put your browser on full screen and display pop-up messages that won't go away, essentially locking your browser. These fake error messages aim to trick you into calling an indicated technical support hotline. Note that Microsoft error and warning messages never include phone numbers.
When you engage with the scammers, they can offer fake solutions for your “problems” and ask for payment in the form of a one-time fee or subscription to a purported support service.
**For more information, view [known tech support scam numbers and popular web scams](https://support.microsoft.com/en-us/help/4013405/windows-protect-from-tech-support-scams).**
## How to protect against tech support scams
Share and implement the general tips on how to [prevent malware infection](prevent-malware-infection.md).
It is also important to keep the following in mind:
* Microsoft does not send unsolicited email messages or make unsolicited phone calls to request personal or financial information, or to fix your computer.
* Any communication with Microsoft has to be initiated by you.
* Dont call the number in the pop-ups. Microsofts error and warning messages never include a phone number.
* Download software only from official vendor websites or the Microsoft Store. Be wary of downloading software from third-party sites, as some of them might have been modified without the authors knowledge to bundle support scam malware and other threats.
* Use [Microsoft Edge](https://www.microsoft.com/windows/microsoft-edge) when browsing the internet. It blocks known support scam sites using Windows Defender SmartScreen (which is also used by Internet Explorer). Furthermore, Microsoft Edge can stop pop-up dialogue loops used by these sites.
* Enable Enable [Windows Defender Antivirus](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/windows-defender-antivirus-in-windows-10) in Windows 10. It detects and removes known support scam malware.
## What to do if information has been given to a tech support person
* Uninstall applications that scammers asked to be install. If access has been granted, consider resetting the device
* Run a full scan with Windows Defender Antivirus to remove any malware. Apply all security updates as soon as they are available.
* Change passwords.
* Call your credit card provider to reverse the charges, if you have already paid.
* Monitor anomalous logon activity. Use Windows Defender Firewall to block traffic to services that you would not normally access.
### Reporting tech support scams
Help Microsoft stop scammers, whether they claim to be from Microsoft or from another tech company, by reporting tech support scams:
**www.microsoft.com/reportascam**
You can also report any **unsafe website** that you suspect is a phishing website or contains malicious content directly to Microsoft by filling out a [Report an unsafe site form](https://www.microsoft.com/en-us/wdsi/support/report-unsafe-site) or using built in web browser functionality.

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---
title: Trojan malware
description: Learn about how trojans work, deliver malware do your devices, and what you can do to protect yourself.
keywords: security, malware, protection, trojan, download, file, infection
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Trojans
Trojans are a common type of malware which, unlike viruses, cant spread on their own. This means they either have to be downloaded manually or another malware needs to download and install them.
Trojans often use the same file names as real and legitimate apps. It is easy to accidentally download a trojan thinking that it is a legitimate app.
## How trojans work
Trojans can come in many different varieties, but generally they do the following:
- Download and install other malware, such as viruses or [worms](worms-malware.md).
- Use the infected device for click fraud.
- Record keystrokes and websites visited.
- Send information about the infected device to a malicious hacker including passwords, login details for websites, and browsing history.
- Give a malicious hacker control over the infected device.
## How to protect against trojans
Use the following free Microsoft software to detect and remove it:
- [Windows Defender Antivirus](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/windows-defender-antivirus-in-windows-10) for Windows 10 and Windows 8.1, or [Microsoft Security Essentials](https://www.microsoft.com/download/details.aspx?id=5201) for previous versions of Windows.
- [Microsoft Safety Scanner](https://www.microsoft.com/wdsi/products/scanner)
For more general tips, see [prevent malware infection](prevent-malware-infection.md).

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---
title: Understanding malware & other threats
description: Learn about the different types of malware, how they work, and what you can do to protect yourself.
keywords: security, malware
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Understanding malware & other threats
Malware is a term used to describe malicious applications and code that can cause damage and disrupt normal use of devices. Malware can allow unauthorized access, use system resources, steal passwords, lock you out of your computer and ask for ransom, and more.
Cybercriminals that distribute malware are often motivated by money and will use infected computers to launch attacks, obtain banking credentials, collect information that can be sold, sell access to computing resources, or extort payment from victims.
As criminals become more sophisticated with their attacks, Microsoft is here to help. Windows 10 is the most secure version of Windows yet and includes many features to help protect you whether you're at home, at work, or on the go. With Windows Defender Advanced Threat Protection (Windows Defender ATP), businesses can stay protected with next-generation protection and other security capabilities.
For good general tips, check out the [prevent malware infection](prevent-malware-infection.md) topic.
There are many types of malware, including:
- [Coin miners](coinminer-malware.md)
- [Exploits and exploit kits](exploits-malware.md)
- [Macro malware](macro-malware.md)
- [Phishing](phishing.md)
- [Ransomware](ransomware-malware.md)
- [Rootkits](rootkits-malware.md)
- [Supply chain attacks](supply-chain-malware.md)
- [Tech support scams](support-scams.md)
- [Trojans](trojans-malware.md)
- [Unwanted software](unwanted-software.md)
- [Worms](worms-malware.md)
Keep up with the latest malware news and research. Check out our [Windows security blogs](http://aka.ms/wdsecurityblog) and follow us on [Twitter](https://twitter.com/wdsecurity) for the latest news, discoveries, and protections.
Learn more about [Windows security](https://docs.microsoft.com/en-us/windows/security/index).

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---
title: Unwanted software
description: Learn about how unwanted software changes your default settings without your consent and what you can do to protect yourself.
keywords: security, malware, protection, unwanted, software, alter, infect
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Unwanted software
Unwanted software are programs that alter the Windows experience without your consent or control. This can take the form of modified browsing experience, lack of control over downloads and installation, misleading messages, or unauthorized changes to Windows settings.
## How unwanted software works
Unwanted software can be introduced when a user searches for and downloads applications from the internet. Some applications are software bundlers, which means that they are packed with other applications. As a result, other programs can be inadvertently installed when the original application is downloaded.
Here are some indications of unwanted software:
- There are programs that you did not install and that may be difficult to uninstall
- Browser features or settings have changed, and you cant view or modify them
- There are excessive messages about your device's health or about files and programs
- There are ads that cannot be easily closed
Some indicators are harder to recognize because they are less disruptive, but are still unwanted. For example, unwanted software can modify web pages to display specific ads, monitor browsing activities, or remove control of the browser.
Microsoft uses an extensive [evaluation criteria](https://www.microsoft.com/wdsi/antimalware-support/malware-and-unwanted-software-evaluation-criteria) to identify unwanted software.
## How to protect against unwanted software
To prevent unwanted software infection, download software only from official websites, or from the Microsoft Store. Be wary of downloading software from third-party sites.
Use [Microsoft Edge](https://docs.microsoft.com/microsoft-edge/deploy/index) when browsing the internet. Microsoft Edge includes additional protections that effectively block browser modifiers that can change your browser settings. Microsoft Edge also blocks known websites hosting unwanted software using [SmartScreen](https://docs.microsoft.com/en-us/microsoft-edge/deploy/index) (also used by Internet Explorer).
Enable [Windows Defender AV](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/windows-defender-antivirus-in-windows-10) in Windows 10. It provides real-time protection against threats and detects and removes known unwanted software.
Download [Microsoft Security Essentials](https://www.microsoft.com/download/details.aspx?id=5201) for real-time protection in Windows 7 or Windows Vista.
For more general tips, see [prevent malware infection](prevent-malware-infection.md).
### What should I do if my device is infected?
If you suspect that you have unwanted software, you can [submit files for analysis](https://www.microsoft.com/wdsi/filesubmission).
Some unwanted software adds uninstallation entries, which means that you can **remove them using Settings**.
1. Select the Start button
2. Go to **Settings > Apps > Apps & features**.
3. Select the app you want to uninstall, then click **Uninstall**.
If you only recently noticed symptoms of unwanted software infection, consider sorting the apps by install date, and then uninstall the most recent apps that you did not install.
You may also need to **remove browser add-ons** in your browsers, such as Internet Explorer, Firefox, or Chrome.
In case threat removal is unsuccessful, read about [troubleshooting malware detection and removal problems](https://www.microsoft.com/wdsi/help/troubleshooting-infection).

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---
title: Virus Information Alliance
description: Information and criteria regarding VIA
keywords: security, malware
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 07/12/2018
---
# Virus Information Alliance
The Virus Information Alliance (VIA) is a public antimalware collaboration program for security software providers, security service providers, antimalware testing organizations, and other organizations involved in fighting cybercrime.
Members of the VIA program collaborate by exchanging technical information on malicious software with Microsoft, with the goal of improving protection for Microsoft customers.
## Better protection for customers against malware
The VIA program gives members access to information that will help improve protection for Microsoft customers. For example, the program provides malware telemetry and samples to security product teams to identify gaps in their protection and prioritize new threat coverage.
Malware prevalence data is provided to antimalware testers to assist them in selecting sample sets and setting scoring criteria that represent the real-world threat landscape. Service organizations, such as a CERT, can leverage our data to help assess the impact of policy changes or to help shut down malicious activity.
Microsoft is committed to continuous improvement to help reduce the impact of malware on customers. By sharing malware-related information, Microsoft enables members of this community to work towards better protection for customers.
## Becoming a member of VIA
Microsoft has well-defined, objective, measurable, and tailored membership criteria for prospective members of the Virus Information Alliance (VIA). The criteria is designed to ensure that Microsoft is able to work with security software providers, security service providers, antimalware testing organizations, and other organizations involved in the fight against cybercrime to protect a broad range of customers.
Members will receive information to facilitate effective malware detection, deterrence, and eradication. This includes technical information on malware as well as metadata on malicious activity. Information shared through VIA is governed by the VIA membership agreement and a Microsoft non-disclosure agreement, where applicable.
VIA has an open enrollment for potential members.
### Initial selection criteria
To be eligible for VIA your organization must:
1. Be willing to sign a non-disclosure agreement with Microsoft.
2. Fit into one of the following categories:
* Your organization develops antimalware technology that can run on Windows and your organizations product is commercially available.
* Your organization provides security services to Microsoft customers or for Microsoft products.
* Your organization publishes antimalware testing reports on a regular basis.
* Your organization has a research or response team dedicated to fighting malware to protect your organization, your customers, or the general public.
3. Be willing to sign and adhere to the VIA membership agreement.
If your organization wants to apply and meets this criteria, you can apply using our [membership application form](http://www.microsoft.com/security/portal/partnerships/apply.aspx).
If you have any questions, you can also contact us using our [partnerships contact form](http://www.microsoft.com/security/portal/partnerships/contactus.aspx).

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---
title: Microsoft Virus Initiative
description: Information and criteria regarding MVI
keywords: security, malware
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 07/12/2018
---
# Microsoft Virus Initiative
The Microsoft Virus Initiative (MVI) helps organizations to get their products working and integrated with Windows.
Like the [Virus Information Alliance (VIA)](virus-information-alliance-criteria.md) and the [Coordinated Malware Eradication (CME) program](coordinated-malware-eradication.md), MVI aims to share information about the threat landscape that can help your organization protect its customers.
MVI members will receive access to Windows APIs (such as those used by Windows Defender Security Center, IOAV, AMSI and Cloud Files), malware telemetry and samples, and invitations to security related events and conferences.
MVI adds to VIA by requiring members to develop and own antimalware technology, and to be present in the antimalware industry community.
## Join MVI
A request for membership is made by an individual as a representative of an organization that develops and produces antimalware or antivirus technology.
The base criteria for MVI membership are the same as for VIA, but your organization must also offer an antimalware or antivirus product.
### Initial selection criteria
Your organization must meet the following eligibility requirements to participate in the MVI program:
1. Offer an antimalware or antivirus product that is one of the following:
* Your organization's own creation.
* Licensed from another organization, but your organization adds value such as additional definitions to its signatures.
* Developed by using an SDK (engine and other components) from another MVI Partner AM company and your organization adds a custom UI and/or other functionality (white box versions).
2. Have your own malware research team unless you distribute a Whitebox product.
3. Be active and have a positive reputation in the antimalware industry. Your organization is:
* Certified through independent testing by an industry standard organization such as [ICSA Labs](https://www.icsalabs.com/), [West Coast Labs](http://www.westcoastlabs.com/), [PCSL IT Consulting Institute](https://www.pitci.net/), or [SKD Labs](http://www.skdlabs.com/html/english/).
* Be active in the antimalware industry. For example, participate in industry conferences, be reviewed in an industry standard report such as AV Comparatives, OPSWAT or Gartner.
4. Be willing to sign a non-disclosure agreement (NDA) with Microsoft.
5. Be willing to sign a program license agreement.
6. Be willing to adhere to program requirements for AM apps. These requirements define the behavior of AM apps necessary to ensure proper interaction with Windows.
7. Submit your AM app to Microsoft for periodic performance testing.
### Apply to MVI
If your organization wants to apply and meets this criteria, you can apply using our [membership application form](http://www.microsoft.com/security/portal/partnerships/apply.aspx).

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@ -0,0 +1,48 @@
---
title: Worms
description: Learn about worms, how they infect devices, and what you can do to protect yourself.
keywords: security, malware, protection, worm, vulnerabilities, infect, steal, Jenxcus, Gamarue, Bondat, WannaCrypt
ms.prod: w10
ms.mktglfcycl: secure
ms.sitesec: library
ms.localizationpriority: medium
ms.author: ellevin
author: levinec
ms.date: 08/17/2018
---
# Worms
A worm is a type of malware that can copy itself and often spreads through a network by exploiting security vulnerabilities. It can spread through email attachments, text messages, file-sharing programs, social networking sites, network shares, removable drives, and software vulnerabilities.
## How worms work
Worms represent a large category of malware. Different worms use different methods to infect devices. Depending on the variant, they can steal sensitive information, change security settings, send information to malicious hackers, stop users from accessing files, and other malicious activities.
Jenxcus (also known as Dunihi), Gamarue (also known as Androm), and Bondat have consistently remained at the top of the list of malware that infect users running Microsoft security software. Although these worms share some commonalities, it is interesting to note that they also have distinct characteristics.
* **Jenxcus** has capabilities of not only infecting removable drives but can also act as a backdoor that connects back to its server. This threat typically gets into a device from a drive-by download attack, meaning it's installed when users just visit a compromised web page.
* **Gamarue** typically arrives through spam campaigns, exploits, downloaders, social networking sites, and removable drives. When Gamarue infects a device, it becomes a distribution channel for other malware. Weve seen it distribute other malware such as infostealers, spammers, clickers, downloaders, and rogues.
* **Bondat** typically arrives through fictitious Nullsoft Sciptable Install System (NSIS) Java installers and removable drives. When Bondat infects a system, it gathers information about the machine such as device name, Globally Unique Identifier (GUID), and OS build. It then sends that information to a remote server.
Both Bondat and Gamarue have clever ways of obscuring themselves to evade detection. By hiding what they are doing, they try to avoid detection by security software.
* [**WannaCrypt**](https://www.microsoft.com/en-us/wdsi/threats/malware-encyclopedia-description?Name=Ransom:Win32/WannaCrypt) also deserves a mention here. Unlike older worms that often spread just because they could, modern worms often spread to drop a payload (e.g. ransomware).
This image shows how a worm can quickly spread through a shared USB drive.
![Worm example](./images/WormUSB_flight.png)
### *Figure worm spreading from a shared USB drive*
## How to protect against worms
Enable [Windows Defender AV](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-antivirus/windows-defender-antivirus-in-windows-10) in Windows 10. It provides real-time protection against threats and detects and removes known unwanted software.
Download [Microsoft Security Essentials](https://www.microsoft.com/download/details.aspx?id=5201) for real-time protection in Windows 7 or Windows Vista.
In case threat removal is unsuccessful, read about [troubleshooting malware detection and removal problems](https://www.microsoft.com/wdsi/help/troubleshooting-infection).
For more general tips, see [prevent malware infection](prevent-malware-infection.md).

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@ -366,7 +366,7 @@ The following table details the hardware requirements for both virtualization-ba
</tr>
<tr class="odd">
<td align="left"><p>Trusted Platform Module (TPM) </p></td>
<td align="left"><p>Required to support health attestation and necessary for additional key protections for virtualization-based security. TPM 2.0 is supported; TPM 1.2 is also supported beginnning with Windows 10, version 1703.</p></td>
<td align="left"><p>Required to support health attestation and necessary for additional key protections for virtualization-based security. TPM 2.0 is supported. Support for TPM 1.2 was added beginning in Windows 10, version 1607 (RS1)</p></td>
</tr>
</tbody>
</table>

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@ -25,8 +25,8 @@ The following topics provide a discussion of each policy setting's implementatio
| Topic | Description |
| - | - |
| [Account lockout duration](account-lockout-duration.md) | Describes the best practices, location, values, and security considerations for the **Account lockout duration** security policy setting. |
| [Account lockout threshold](account-lockout-threshold.md) | Describes the best practices, location, values, and security considerations for the **Account lockout threshold** security policy setting. |
| [Account lockout duration](account-lockout-duration.md) | Describes the best practices, location, values, and security considerations for the **Account lockout duration** security policy setting. |
| [Reset account lockout counter after](reset-account-lockout-counter-after.md) | Describes the best practices, location, values, and security considerations for the **Reset account lockout counter after** security policy setting. |
 
## Related topics

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@ -50,7 +50,7 @@ By default, the members of the following groups have this right on domain contro
### Location
Computer Configuration\\Windows Settings\\Security Settings\\Local Policies\\User Rights Assignment
Computer Configuration\\Policies\\Windows Settings\\Security Settings\\Local Policies\\User Rights Assignment
### Default values

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@ -19,7 +19,7 @@ Describes the best practices, location, values, policy management, and security
## Reference
The **Minimum password age** policy setting determines the period of time (in days) that a password can be used before the system requires the user to change it. You can set passwords to expire after a number of days between 1 and 999, or you can specify that passwords never expire by setting the number of days to 0. If [Maximum password age](maximum-password-age.md) is between 1 and 999 days, the minimum password age must be less than the maximum password age. If Maximum password age is set to 0, **Minimum password age** can be any value between 0 and 998 days.
The **Minimum password age** policy setting determines the period of time (in days) that a password must be used before the user can change it. You can set a value between 1 and 998 days, or you can allow changes immediately by setting the number of days to 0. The minimum password age must be less than the Maximum password age, unless the maximum password age is set to 0, indicating that passwords will never expire. If the maximum password age is set to 0, the minimum password age can be set to any value between 0 and 998.
### Possible values

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@ -26,7 +26,7 @@ When a service connects with the device identity, signing and encryption are sup
### Possible values
| Setting | Windows Server 2008 and Windows Vista | At least Windows Server 2008 R2 and Windows 7 |
| - | - |
| - | - | - |
| Enabled | Services running as Local System that use Negotiate will use the computer identity. This might cause some authentication requests between Windows operating systems to fail and log an error.| Services running as Local System that use Negotiate will use the computer identity. This is the default behavior. |
| Disabled| Services running as Local System that use Negotiate when reverting to NTLM authentication will authenticate anonymously. This is the default behavior.| Services running as Local System that use Negotiate when reverting to NTLM authentication will authenticate anonymously.|
|Neither|Services running as Local System that use Negotiate when reverting to NTLM authentication will authenticate anonymously. | Services running as Local System that use Negotiate will use the computer identity. This might cause some authentication requests between Windows operating systems to fail and log an error.|

View File

@ -40,16 +40,17 @@ ms.date: 07/10/2018
You can run an on-demand scan on individual endpoints. These scans will start immediately, and you can define parameters for the scan, such as the location or type.
## Quick scan versus full scan
## Quick scan versus full scan and custom scan
Quick scan looks at all the locations where there could be malware registered to start with the system, such as registry keys and known Windows startup folders.
Combined with [always-on real-time protection capability](configure-real-time-protection-windows-defender-antivirus.md) - which reviews files when they are opened and closed, and whenever a user navigates to a folder - a quick scan helps provide strong coverage both for malware that starts with the system and kernel-level malware.
Combined with [always-on real-time protection capability](configure-real-time-protection-windows-defender-antivirus.md), which reviews files when they are opened and closed, and whenever a user navigates to a folder, a quick scan helps provide strong coverage both for malware that starts with the system and kernel-level malware.
In most instances, this means a quick scan is adequate to find malware that wasn't picked up by real-time protection.
A full scan can be useful on endpoints that have encountered a malware threat to identify if there are any inactive components that require a more thorough clean-up, and can be ideal when running on-demand scans.
A full scan can be useful on endpoints that have encountered a malware threat to identify if there are any inactive components that require a more thorough clean-up, and can be ideal when running on-demand scans.
A custom scan allows you to specify files or folders to scan, such as a USB drive.
**Use the mpcmdrum.exe command-line utility to run a scan:**

View File

@ -60,7 +60,7 @@ To configure the Group Policy settings described in this topic:
Also see the [Manage when protection updates should be downloaded and applied](manage-protection-update-schedule-windows-defender-antivirus.md) and [Prevent or allow users to locally modify policy settings](configure-local-policy-overrides-windows-defender-antivirus.md) topics.
## Quick scan versus full scan
## Quick scan versus full scan and custom scan
When you set up scheduled scans, you can set up whether the scan should be a full or quick scan.
@ -72,6 +72,8 @@ In most instances, this means a quick scan is adequate to find malware that wasn
A full scan can be useful on endpoints that have encountered a malware threat to identify if there are any inactive components that require a more thorough clean-up. In this instance, you may want to use a full scan when running an [on-demand scan](run-scan-windows-defender-antivirus.md).
A custom scan allows you to specify the files and folders to scan, such as a USB drive.
## Set up scheduled scans
Scheduled scans will run at the day and time you specify. You can use Group Policy, PowerShell, and WMI to configure scheduled scans.

View File

@ -21,6 +21,7 @@
### [Deploy WDAC with Intelligent Security Graph (ISG)](use-windows-defender-application-control-with-intelligent-security-graph.md)
### [Deploy WDAC policies using Group Policy](deploy-windows-defender-application-control-policies-using-group-policy.md)
### [Deploy WDAC policies using Intune](deploy-windows-defender-application-control-policies-using-intune.md)
### [Use WDAC with .NET hardening](use-windows-defender-application-control-with-dynamic-code-security.md)
### [Use code signing to simplify application control for classic Windows applications](use-code-signing-to-simplify-application-control-for-classic-windows-applications.md)
#### [Optional: Use the Device Guard Signing Portal in the Microsoft Store for Business](use-device-guard-signing-portal-in-microsoft-store-for-business.md)
#### [Optional: Create a code signing cert for WDAC](create-code-signing-cert-for-windows-defender-application-control.md)

View File

@ -7,7 +7,7 @@ ms.mktglfcycl: deploy
ms.sitesec: library
ms.pagetype: security
author: brianlic-msft
ms.date: 09/21/2017
ms.date: 08/02/2018
---
# Delete an AppLocker rule
@ -16,7 +16,7 @@ ms.date: 09/21/2017
- Windows 10
- Windows Server
This topic for IT professionals describes the steps to delete an AppLocker rule.
This topic for IT professionals describes the steps to delete an AppLocker rule.
As older apps are retired and new apps are deployed in your organization, it will be necessary to modify the application control policies. If an app becomes unsupported by the IT department or is no longer allowed due to the organization's security policy, then deleting the rule or rules associated with that app will prevent the app from running.
@ -25,6 +25,8 @@ For info about testing an AppLocker policy to see what rules affect which files
You can perform this task by using the Group Policy Management Console for an AppLocker policy in a Group Policy Object (GPO) or by using the Local Security Policy snap-in for an AppLocker policy on a local computer or in a security template. For info how to use these MMC snap-ins to administer
AppLocker, see [Administer AppLocker](administer-applocker.md#bkmk-using-snapins).
These steps apply only for locally managed devices. If the device has AppLocker policies applied by using MDM or a GPO, the local policy will not override those settings.
**To delete a rule in an AppLocker policy**
1. Open the AppLocker console.
@ -43,6 +45,7 @@ Use the Set-AppLockerPolicy cmdlet with the -XMLPolicy parameter, using an .XML
  <RuleCollection Type="Msi" EnforcementMode="NotConfigured" />
  <RuleCollection Type="Script" EnforcementMode="NotConfigured" />
  <RuleCollection Type="Dll" EnforcementMode="NotConfigured" />
<RuleCollection Type="Appx" EnforcementMode="NotConfigured" />
</AppLockerPolicy>
To use the Set-AppLockerPolicy cmdlet, first import the Applocker modules:

View File

@ -6,7 +6,7 @@ ms.prod: w10
ms.mktglfcycl: deploy
ms.localizationpriority: medium
author: jsuther1974
ms.date: 07/16/2018
ms.date: 08/16/2018
---
# Microsoft recommended block rules
@ -134,7 +134,9 @@ Microsoft recommends that you block the following Microsoft-signed applications
<Deny ID="ID_DENY_LXRUN" FriendlyName="lxrun.exe" FileName="lxrun.exe" MinimumFileVersion="65535.65535.65535.65535"/>
<Deny ID="ID_DENY_PWRSHLCUSTOMHOST" FriendlyName="powershellcustomhost.exe" FileName="powershellcustomhost.exe" MinimumFileVersion="65535.65535.65535.65535"/>
<Deny ID="ID_DENY_TEXTTRANSFORM" FriendlyName="texttransform.exe" FileName="texttransform.exe" MinimumFileVersion="65535.65535.65535.65535"/>
<Deny ID="ID_DENY_WMIC" FriendlyName="wmic.exe" FileName="wmic.exe" MinimumFileVersion="65535.65535.65535.65535"/>
<Deny ID="ID_DENY_WMIC" FriendlyName="wmic.exe" FileName="wmic.exe" MinimumFileVersion="65535.65535.65535.65535"/>
<Deny ID="ID_DENY_MWFC" FriendlyName="Microsoft.Workflow.Compiler.exe" FileName="Microsoft.Workflow.Compiler.exe" MinimumFileVersion="65535.65535.65535.65535" />
<Deny ID="ID_DENY_WFC" FriendlyName="WFC.exe" FileName="wfc.exe" MinimumFileVersion="65535.65535.65535.65535" />
<Deny ID="ID_DENY_D_1" FriendlyName="Powershell 1" Hash="02BE82F63EE962BCD4B8303E60F806F6613759C6"/>
<Deny ID="ID_DENY_D_2" FriendlyName="Powershell 2" Hash="13765D9A16CC46B2113766822627F026A68431DF"/>
<Deny ID="ID_DENY_D_3" FriendlyName="Powershell 3" Hash="148972F670E18790D62D753E01ED8D22B351A57E45544D88ACE380FEDAF24A40"/>
@ -681,7 +683,29 @@ Microsoft recommends that you block the following Microsoft-signed applications
<Deny ID="ID_DENY_D_580" FriendlyName="PowerShellShell 580" Hash="8838FE3D8E2505F3D3D8B98C64739115838A0B443BBBBFB487342F1EE7801360"/>
<Deny ID="ID_DENY_D_581" FriendlyName="PowerShellShell 581" Hash="28C5E53DE197E872F7E4772BF40F728F56FE3ACC"/>
<Deny ID="ID_DENY_D_582" FriendlyName="PowerShellShell 582" Hash="3493DAEC6EC03E56ECC4A15432C750735F75F9CB38D8779C7783B4DA956BF037"/>
<Deny ID="ID_DENY_D_585" FriendlyName="PowerShellShell 585" Hash="DBB5A6F5388C574A3B5B63E65F7810AB271E9A77"/>
<Deny ID="ID_DENY_D_586" FriendlyName="PowerShellShell 586" Hash="6DB24D174CCF06C9138B5A9320AE4261CA0CF305357DEF1B7054DD84758E92AB"/>
<Deny ID="ID_DENY_D_587" FriendlyName="PowerShellShell 587" Hash="757626CF5D444F5A4AF79EDE38E9EF65FA2C9802"/>
<Deny ID="ID_DENY_D_588" FriendlyName="PowerShellShell 588" Hash="1E17D036EBB5E82BF2FD5BDC3ABAB08B5EA9E4504D989D2BAAAA0B6047988996"/>
<Deny ID="ID_DENY_D_589" FriendlyName="PowerShellShell 589" Hash="2965DC840B8F5F7ED2AEC979F21EADA664E3CB70"/>
<Deny ID="ID_DENY_D_590" FriendlyName="PowerShellShell 590" Hash="5449560095D020687C268BD34D9425E7A2739E1B9BFBC0886142519293E02B9D"/>
<Deny ID="ID_DENY_D_591" FriendlyName="PowerShellShell 591" Hash="BB47C1251866F87723A7EDEC9A01D3B955BAB846"/>
<Deny ID="ID_DENY_D_592" FriendlyName="PowerShellShell 592" Hash="B05F3BE23DE6AE2557D6661C6FE35E114E8A69B326A3C855023B7AC5CE9FC31B"/>
<Deny ID="ID_DENY_D_593" FriendlyName="PowerShellShell 593" Hash="2F3D30827E02D5FEF051E54C74ECA6AD4CC4BAD2"/>
<Deny ID="ID_DENY_D_594" FriendlyName="PowerShellShell 594" Hash="F074589A1FAA76A751B05AD61B968683134F3FFC10DE3077FBCEE4E263EAEB0D"/>
<Deny ID="ID_DENY_D_595" FriendlyName="PowerShellShell 595" Hash="10096BD0A359142A13F2B8023A341C79A4A97975"/>
<Deny ID="ID_DENY_D_596" FriendlyName="PowerShellShell 596" Hash="A271D72CDE48F69EB694B753BF9417CD6A72F7DA06C52E47BAB40EC2BD9DD819"/>
<Deny ID="ID_DENY_D_597" FriendlyName="PowerShellShell 597" Hash="F8E803E1623BA66EA2EE0751A648834130B8BE5D"/>
<Deny ID="ID_DENY_D_598" FriendlyName="PowerShellShell 598" Hash="E70DB033B773FE01B1D4464CAC112AF41C09E75D25FEA25AE8DAE67ED941E797"/>
<Deny ID="ID_DENY_D_599" FriendlyName="PowerShellShell 599" Hash="665BE52329F9CECEC1CD548A1B4924C9B1F79BD8"/>
<Deny ID="ID_DENY_D_600" FriendlyName="PowerShellShell 600" Hash="24CC5B946D9469A39CF892DD4E92117E0E144DC7C6FAA65E71643DEAB87B2A91"/>
<Deny ID="ID_DENY_D_601" FriendlyName="PowerShellShell 601" Hash="C4627F2CF69A8575D7BF7065ADF5354D96707DFD"/>
<Deny ID="ID_DENY_D_602" FriendlyName="PowerShellShell 602" Hash="7F1DF759C050E0EF4F9F96FF43904B418C674D4830FE61818B60CC68629F5ABA"/>
<Deny ID="ID_DENY_D_603" FriendlyName="PowerShellShell 603" Hash="4126DD5947E63DB50AD5C135AC39856B6ED4BF33"/>
<Deny ID="ID_DENY_D_604" FriendlyName="PowerShellShell 604" Hash="B38E1198F82E7C2B3123984C017417F2A48BDFF5B6DBAD20B2438D7B65F6E39F"/>
<Deny ID="ID_DENY_D_605" FriendlyName="PowerShellShell 605" Hash="DE16A6B93178B6C6FC33FBF3E9A86CFF070DA6D3"/>
<Deny ID="ID_DENY_D_606" FriendlyName="PowerShellShell 606" Hash="A3EF9A95D1E859958DEBE44C033B4562EBB9B4C6E32005CA5C07B2E07A42E2BE"/>
<!-- pubprn.vbs
-->
<!-- rs2 x86fre
@ -767,7 +791,7 @@ Microsoft recommends that you block the following Microsoft-signed applications
-->
<Deny ID="ID_DENY_D_583" FriendlyName="Winrm 583" Hash="3FA2D2963CBF47FFD5F7F5A9B4576F34ED42E552"/>
<Deny ID="ID_DENY_D_584" FriendlyName="Winrm 584" Hash="6C96E976DC47E0C99B77814E560E0DC63161C463C75FA15B7A7CA83C11720E82"/>
</FileRules>
<!-- Signers
-->
@ -814,7 +838,9 @@ Microsoft recommends that you block the following Microsoft-signed applications
<FileRuleRef RuleID="ID_DENY_LXRUN"/>
<FileRuleRef RuleID="ID_DENY_PWRSHLCUSTOMHOST"/>
<FileRuleRef RuleID="ID_DENY_TEXTTRANSFORM"/>
<FileRuleRef RuleID="ID_DENY_WMIC"/>
<FileRuleRef RuleID="ID_DENY_WMIC"/>
<FileRuleRef RuleID="ID_DENY_MWFC" />
<FileRuleRef RuleID="ID_DENY_WFC" />
<FileRuleRef RuleID="ID_DENY_D_1"/>
<FileRuleRef RuleID="ID_DENY_D_2"/>
<FileRuleRef RuleID="ID_DENY_D_3"/>
@ -1399,6 +1425,28 @@ Microsoft recommends that you block the following Microsoft-signed applications
<FileRuleRef RuleID="ID_DENY_D_582"/>
<FileRuleRef RuleID="ID_DENY_D_583"/>
<FileRuleRef RuleID="ID_DENY_D_584"/>
<FileRuleRef RuleID="ID_DENY_D_585"/>
<FileRuleRef RuleID="ID_DENY_D_586"/>
<FileRuleRef RuleID="ID_DENY_D_587"/>
<FileRuleRef RuleID="ID_DENY_D_588"/>
<FileRuleRef RuleID="ID_DENY_D_589"/>
<FileRuleRef RuleID="ID_DENY_D_590"/>
<FileRuleRef RuleID="ID_DENY_D_591"/>
<FileRuleRef RuleID="ID_DENY_D_592"/>
<FileRuleRef RuleID="ID_DENY_D_593"/>
<FileRuleRef RuleID="ID_DENY_D_594"/>
<FileRuleRef RuleID="ID_DENY_D_595"/>
<FileRuleRef RuleID="ID_DENY_D_596"/>
<FileRuleRef RuleID="ID_DENY_D_597"/>
<FileRuleRef RuleID="ID_DENY_D_598"/>
<FileRuleRef RuleID="ID_DENY_D_599"/>
<FileRuleRef RuleID="ID_DENY_D_600"/>
<FileRuleRef RuleID="ID_DENY_D_601"/>
<FileRuleRef RuleID="ID_DENY_D_602"/>
<FileRuleRef RuleID="ID_DENY_D_603"/>
<FileRuleRef RuleID="ID_DENY_D_604"/>
<FileRuleRef RuleID="ID_DENY_D_605"/>
<FileRuleRef RuleID="ID_DENY_D_606"/>
</FileRulesRef>
</ProductSigners>
</SigningScenario>

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