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2
windows/security/identity-protection/windows-credential-theft-mitigation-guide-abstract.md
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@ -15,7 +15,7 @@ ms.date: 04/19/2017
**Applies to**
- Windows 10
This topic provides a summary of the Windows 10 credential theft mitigation guide, which can be downloaded from the [Microsoft Download Center](https://download.microsoft.com/download/C/1/4/C14579CA-E564-4743-8B51-61C0882662AC/Windows 10 credential theft mitigation guide.docx).
This topic provides a summary of the Windows 10 credential theft mitigation guide, which can be downloaded from the [Microsoft Download Center](https://download.microsoft.com/download/C/1/4/C14579CA-E564-4743-8B51-61C0882662AC/Windows%2010%20credential%20theft%20mitigation%20guide.docx).
This guide explains how credential theft attacks occur and the strategies and countermeasures you can implement to mitigate them, following these security stages:
- Identify high-value assets

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windows/security/threat-protection/auditing/event-4713.md
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@ -6,7 +6,7 @@ ms.prod: w10
ms.mktglfcycl: deploy
ms.sitesec: library
ms.localizationpriority: medium
: Mir0sh
author: Mir0sh
ms.date: 04/19/2017
---

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windows/security/threat-protection/device-guard/introduction-to-device-guard-virtualization-based-security-and-windows-defender-application-control.md
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@ -6,37 +6,37 @@ ms.prod: w10
ms.mktglfcycl: deploy
ms.localizationpriority: medium
author: mdsakibMSFT
ms.date: 08/23/2018
ms.date: 08/2/2018
---
# Device Guard: Windows Defender Application Control Configurable Code Integrity and Virtualization-based security
# Device Guard: Windows Defender Application Control and Virtualization-based security
**Applies to**
- Windows 10
- Windows Server 2016
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).
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, while simultaneously hardening the OS against kernel memory attacks through the use of virtualization-based protection of code integrity (more specifically, HVCI).
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.
Configurable code integrity policies 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. This combined "configuration state" of configurable code integrity 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:
Using configurable code integrity to restrict devices to only authorized 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. This would mean that changing the policy would require both administrative privilege and access to the organization’s 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? That’s 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.
1. Configurable code integrity 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 code integrity 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 code integrity 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 organization’s 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 code integrity 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? That’s 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 code integrity or any other application control solution.
## (Re-)Introducing Windows Defender Application Control
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.
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 code integrity and HVCI, we intentionally focused our discussion around the Device Guard lockdown state you achieve when deploying them together.
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 can’t meet.
As a result, many IT Professionals assumed that because some systems couldn't use HVCI, they couldn’t 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.
As a result, many IT Professionals assumed that because some systems couldn't use HVCI, they couldn’t use configurable code integrity either.
But configurable code integrity 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. 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).
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 code integrity 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 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.

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windows/security/threat-protection/intelligence/top-scoring-industry-antivirus-tests.md
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@ -39,8 +39,8 @@ The below scores are the results of AV-TEST's evaluations on **Windows Defender
|Month (2018)|Real-World test score| Prevalent malware test score | AV-TEST report| Microsoft analysis|
|---|---|---|---|---|
|January| 100.00%| 99.92%| [Report (Jan-Feb)](https://www.av-test.org/en/antivirus/home-windows/windows-7/february-2018/kaspersky-lab-internet-security-18.0-180557/)| [Analysis (Jan-Feb)](https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE27O5A?ocid=cx-docs-avreports)|
|February| 100.00% | 100.00%|[Report (Jan-Feb)](https://www.av-test.org/en/antivirus/home-windows/windows-7/february-2018/kaspersky-lab-internet-security-18.0-180557/)| [Analysis (Jan-Feb)](https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE27O5A?ocid=cx-docs-avreports)|
|January| 100.00%| 99.92%| [Report (Jan-Feb)](https://www.av-test.org/en/antivirus/business-windows-client/windows-10/february-2018/microsoft-windows-defender-antivirus-4.12-180674/)| [Analysis (Jan-Feb)](https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE27O5A?ocid=cx-docs-avreports)|
|February| 100.00% | 100.00%|[Report (Jan-Feb)](https://www.av-test.org/en/antivirus/business-windows-client/windows-10/february-2018/microsoft-windows-defender-antivirus-4.12-180674/)| [Analysis (Jan-Feb)](https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE27O5A?ocid=cx-docs-avreports)|
March |98.00%| 100.00%|[Report (Mar-Apr)](https://www.av-test.org/en/antivirus/business-windows-client/windows-10/april-2018/microsoft-windows-defender-antivirus-4.12-181574/)|[Analysis (Mar-Apr)](https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE2ouJA?ocid=cx-docs-avreports)|
April|100.00%| 100.00%|[Report (Mar-Apr)](https://www.av-test.org/en/antivirus/business-windows-client/windows-10/april-2018/microsoft-windows-defender-antivirus-4.12-181574/)|[Analysis (Mar-Apr)](https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE2ouJA?ocid=cx-docs-avreports)|
May|100.00%| 100.00%| [Report (May-Jun)](https://www.av-test.org/en/antivirus/business-windows-client/windows-10/june-2018/microsoft-windows-defender-antivirus-4.12-182374/) |[Analysis (May-Jun)](https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE2v60I?ocid=cx-docs-avreports) <sup>**Latest**</sup>|

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windows/security/threat-protection/windows-defender-application-guard/configure-wd-app-guard.md
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@ -38,10 +38,10 @@ These settings, located at **Computer Configuration\Administrative Templates\Win
|Name|Supported versions|Description|Options|
|-----------|------------------|-----------|-------|
|Configure Windows Defender Application Guard clipboard settings|Windows 10 Enterprise, 1709 or higher<br><br>Windows 10 Professional, 1803|Determines whether Application Guard can use the clipboard functionality.|**Enabled.** Turns On the clipboard functionality and lets you choose whether to additionally:<ul><li>Disable the clipboard functionality completely when Virtualization Security is enabled.</li><li>Enable copying of certain content from Application Guard into Microsoft Edge.</li><li>Enable copying of certain content from Microsoft Edge into Application Guard.<br><br>**Important**<br>Allowing copied content to go from Microsoft Edge into Application Guard can cause potential security risks and isn't recommended.</li></ul>**Disabled or not configured.** Completely turns Off the clipboard functionality for Application Guard.|
|Configure Windows Defender Application Guard print settings|Windows 10 Enterprise, 1709 or higher<br><br>Windows 10 Professional, 1803|Determines whether Application Guard can use the print functionality.|**Enabled.** Turns On the print functionality and lets you choose whether to additionally:<ul><li>Enable Application Guard to print into the XPS format.</li><li>Enable Application Guard to print into the PDF format.</li><li>Enable Application Guard to print to locally attached printers.</li><li>Enable Application Guard to print from previously connected network printers. Employees can't search for additional printers.</ul>**Disabled or not configured.** Completely turns Off the print functionality for Application Guard.|
|Block enterprise websites to load non-enterprise content in IE and Edge|Windows 10 Enterprise, 1709 or higher<br><br>Windows 10 Professional, 1803|Determines whether to allow Internet access for apps not included on the **Allowed Apps** list.|**Enabled.** Prevents network traffic from both Internet Explorer and Microsoft Edge to non-enterprise sites that can't render in the Application Guard container.**Note** This may also block assets cached by CDNs and references to analytics sites. Please add them to the trusted enterprise resources to avoid broken pages.<br><br>**Disabled or not configured.** Allows Microsoft Edge to render network traffic to non-enterprise sites that can't render in Application Guard. |
|Allow Persistence|Windows 10 Enterprise, 1709 or higher<br><br>Windows 10 Professional, 1803|Determines whether data persists across different sessions in Windows Defender Application Guard.|**Enabled.** Application Guard saves user-downloaded files and other items (such as, cookies, Favorites, and so on) for use in future Application Guard sessions.<br><br>**Disabled or not configured.** All user data within Application Guard is reset between sessions.<br><br>**Note**<br>If you later decide to stop supporting data persistence for your employees, you can use our Windows-provided utility to reset the container and to discard any personal data.<br>**To reset the container:**<ol><li>Open a command-line program and navigate to Windows/System32.</li><li>Type `wdagtool.exe cleanup`.<br>The container environment is reset, retaining only the employee-generated data.</li><li>Type `wdagtool.exe cleanup RESET_PERSISTENCE_LAYER`.<br>The container environment is reset, including discarding all employee-generated data.</li></ol>|
|Configure Windows Defender Application Guard clipboard settings|Windows 10 Enterprise, 1709 or higher<br><br>Windows 10 Pro, 1803|Determines whether Application Guard can use the clipboard functionality.|**Enabled.** Turns On the clipboard functionality and lets you choose whether to additionally:<ul><li>Disable the clipboard functionality completely when Virtualization Security is enabled.</li><li>Enable copying of certain content from Application Guard into Microsoft Edge.</li><li>Enable copying of certain content from Microsoft Edge into Application Guard.<br><br>**Important**<br>Allowing copied content to go from Microsoft Edge into Application Guard can cause potential security risks and isn't recommended.</li></ul>**Disabled or not configured.** Completely turns Off the clipboard functionality for Application Guard.|
|Configure Windows Defender Application Guard print settings|Windows 10 Enterprise, 1709 or higher<br><br>Windows 10 Pro, 1803|Determines whether Application Guard can use the print functionality.|**Enabled.** Turns On the print functionality and lets you choose whether to additionally:<ul><li>Enable Application Guard to print into the XPS format.</li><li>Enable Application Guard to print into the PDF format.</li><li>Enable Application Guard to print to locally attached printers.</li><li>Enable Application Guard to print from previously connected network printers. Employees can't search for additional printers.</ul>**Disabled or not configured.** Completely turns Off the print functionality for Application Guard.|
|Block enterprise websites to load non-enterprise content in IE and Edge|Windows 10 Enterprise, 1709 or higher<br><br>Windows 10 Pro, 1803|Determines whether to allow Internet access for apps not included on the **Allowed Apps** list.|**Enabled.** Prevents network traffic from both Internet Explorer and Microsoft Edge to non-enterprise sites that can't render in the Application Guard container.**Note** This may also block assets cached by CDNs and references to analytics sites. Please add them to the trusted enterprise resources to avoid broken pages.<br><br>**Disabled or not configured.** Allows Microsoft Edge to render network traffic to non-enterprise sites that can't render in Application Guard. |
|Allow Persistence|Windows 10 Enterprise, 1709 or higher<br><br>Windows 10 Pro, 1803|Determines whether data persists across different sessions in Windows Defender Application Guard.|**Enabled.** Application Guard saves user-downloaded files and other items (such as, cookies, Favorites, and so on) for use in future Application Guard sessions.<br><br>**Disabled or not configured.** All user data within Application Guard is reset between sessions.<br><br>**Note**<br>If you later decide to stop supporting data persistence for your employees, you can use our Windows-provided utility to reset the container and to discard any personal data.<br>**To reset the container:**<ol><li>Open a command-line program and navigate to Windows/System32.</li><li>Type `wdagtool.exe cleanup`.<br>The container environment is reset, retaining only the employee-generated data.</li><li>Type `wdagtool.exe cleanup RESET_PERSISTENCE_LAYER`.<br>The container environment is reset, including discarding all employee-generated data.</li></ol>|
|Turn on Windows Defender Application Guard in Enterprise Mode|Windows 10 Enterprise, 1709 or higher|Determines whether to turn on Application Guard for Microsoft Edge.|**Enabled.** Turns on Application Guard for Microsoft Edge, honoring the network isolation settings, rendering non-enterprise domains in the Application Guard container. Be aware that Application Guard won't actually be turned On unless the required prerequisites and network isolation settings are already set on the device.<br><br>**Disabled.** Turns Off Application Guard, allowing all apps to run in Microsoft Edge.|
|Allow files to download to host operating system|Windows 10 Enterprise, 1803|Determines whether to save downloaded files to the host operating system from the Windows Defender Application Guard container.|**Enabled.** Allows users to save downloaded files from the Windows Defender Application Guard container to the host operating system.<br><br>**Disabled or not configured.** Users are not able to saved downloaded files from Application Guard to the host operating system.|
|Allow hardware-accelerated rendering for Windows Defender Application Guard|Windows 10 Enterprise, version 1803<br><br>(experimental only)|Determines whether Windows Defender Application Guard renders graphics using hardware or software acceleration.|**Enabled.** Windows Defender Application Guard uses Hyper-V to access supported, high-security rendering graphics hardware (GPUs). These GPUs improve rendering performance and battery life while using Windows Defender Application Guard, particularly for video playback and other graphics-intensive use cases. If this setting is enabled without connecting any high-security rendering graphics hardware, Windows Defender Application Guard will automatically revert to software-based (CPU) rendering.<br><br><ul>**Important**<br>Be aware that enabling this setting with potentially compromised graphics devices or drivers might pose a risk to the host device.<br><br></ul>**Disabled or not configured.** Windows Defender Application Guard uses software-based (CPU) rendering and won’t load any third-party graphics drivers or interact with any connected graphics hardware.<br><br>**Note**<br>This is an experimental feature in Windows 10 Enterprise, version 1803 and will not function without the presence of an additional registry key provided by Microsoft. If you would like to evaluate this feature on deployments of Windows 10 Enterprise, version 1803, please contact Microsoft for further information.|

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windows/security/threat-protection/windows-defender-application-guard/install-wd-app-guard.md
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@ -49,7 +49,7 @@ Before you can install and use Windows Defender Application Guard, you must dete
Applies to:
- Windows 10 Enterprise edition, version 1709 or higher
- Windows 10 Professional edition, version 1803
- Windows 10 Pro edition, version 1803
Employees can use hardware-isolated browsing sessions without any administrator or management policy configuration. In this mode, you must install Application Guard and then the employee must manually start Microsoft Edge in Application Guard while browsing untrusted sites. For an example of how this works, see the [Application Guard in standalone mode](test-scenarios-wd-app-guard.md) testing scenario.