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4
windows/security/identity-protection/credential-guard/credential-guard-known-issues.md
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@ -12,7 +12,7 @@ ms.author: dansimp
manager: dansimp
ms.collection: M365-identity-device-management
ms.topic: article
ms.date: 08/17/2017
ms.date: 01/24/2022
ms.reviewer:
---
@ -33,7 +33,7 @@ The following known issue has been fixed in the [Cumulative Security Update for
Failure occurred in ‘LogonUserExEx’. <br>
User Action: Ensure the credentials for the task are correctly specified. <br>
Additional Data: Error Value: 2147943726. 2147943726: ERROR\_LOGON\_FAILURE (The user name or password is incorrect)."
- When enabling NTLM audit on the domain controller, an Event ID 8004 with an indecipherable username format is logged. For example:
- When enabling NTLM audit on the domain controller, an Event ID 8004 with an indecipherable username format is logged. You also get a similar user name in a user logon failure event 4525 with error 0xC0000064 on the machine itself. For example:
> Log Name: Microsoft-Windows-NTLM/Operational
Source: Microsoft-Windows-Security-Netlogon
Event ID: 8004

4
windows/security/threat-protection/intelligence/safety-scanner-download.md
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@ -35,11 +35,11 @@ Microsoft Safety Scanner is a scan tool designed to find and remove malware from
- Safety scanner is a portable executable and does not appear in the Windows Start menu or as an icon on the desktop. Note where you saved this download.
- This tool does not replace your antimalware product. For real-time protection with automatic updates, use [Microsoft Defender Antivirus on Windows 10 and Windows 8](https://www.microsoft.com/windows/comprehensive-security) or [Microsoft Security Essentials on Windows 7](https://support.microsoft.com/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/wdsi/help/troubleshooting-infection).
- This tool does not replace your antimalware product. For real-time protection with automatic updates, use [Microsoft Defender Antivirus on Windows 11, Windows 10, and Windows 8](https://www.microsoft.com/windows/comprehensive-security) or [Microsoft Security Essentials on Windows 7](https://support.microsoft.com/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/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 2019, 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](/lifecycle/).
Safety Scanner helps remove malicious software from computers running Windows 11, Windows 10, Windows 10 Tech Preview, Windows 8.1, Windows 8, Windows 7, Windows Server 2019, Windows Server 2016, Windows Server Tech Preview, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, or Windows Server 2008. For details, refer to the [Microsoft Lifecycle Policy](/lifecycle/).
## How to run a scan

42
windows/security/threat-protection/windows-defender-security-center/wdsc-device-security.md
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@ -29,22 +29,18 @@ You can choose to hide the section from users of the machine. This can be useful
## Hide the Device security section
You can choose to hide the entire section by using Group Policy. The section will not appear on the home page of the Windows Security app, and its icon will not be shown on the navigation bar on the side of the app.
You can choose to hide the entire section by using Group Policy. The section will not appear on the home page of the Windows Security app, and its icon will not be shown on the navigation bar on the side of the app. You can hide the device security section by using Group Policy only.
This can only be done in Group Policy.
>[!IMPORTANT]
>### Requirements
>
>You must have Windows 10, version 1803 or later. The ADMX/ADML template files for earlier versions of Windows do not include these Group Policy settings.
> [!IMPORTANT]
> You must have Windows 10, version 1803 or later. The ADMX/ADML template files for earlier versions of Windows do not include these Group Policy settings.
1. On your Group Policy management machine, open the [Group Policy Management Console](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc731212(v=ws.11)), right-click the Group Policy Object you want to configure and click **Edit**.
2. In the **Group Policy Management Editor** go to **Computer configuration** and click **Administrative templates**.
2. In the **Group Policy Management Editor** go to **Computer configuration** and then select **Administrative templates**.
3. Expand the tree to **Windows components > Windows Security > Device security**.
3. Expand the tree to **Windows components** > **Windows Security** > **Device security**.
4. Open the **Hide the Device security area** setting and set it to **Enabled**. Click **OK**.
4. Open the **Hide the Device security area** setting and set it to **Enabled**. Select **OK**.
5. [Deploy the updated GPO as you normally do](/windows/win32/srvnodes/group-policy).
@ -56,18 +52,16 @@ This can only be done in Group Policy.
## Disable the Clear TPM button
If you don't want users to be able to click the **Clear TPM** button in the Windows Security app, you can disable it.
>[!IMPORTANT]
>### Requirements
>
>You must have Windows 10, version 1809 or later. The ADMX/ADML template files for earlier versions of Windows do not include these Group Policy settings.
> [!IMPORTANT]
> You must have Windows 10, version 1809 or later. The ADMX/ADML template files for earlier versions of Windows do not include these Group Policy settings.
1. On your Group Policy management computer, open the [Group Policy Management Console](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc731212(v=ws.11)), right-click the Group Policy Object you want to configure and click **Edit**.
2. In the **Group Policy Management Editor** go to **Computer configuration** and click **Administrative templates**.
2. In the **Group Policy Management Editor** go to **Computer configuration** and then select **Administrative templates**.
3. Expand the tree to **Windows components > Windows Security > Device security**.
3. Expand the tree to **Windows components** > **Windows Security** > **Device security**.
4. Open the **Disable the Clear TPM button** setting and set it to **Enabled**. Click **OK**.
4. Open the **Disable the Clear TPM button** setting and set it to **Enabled**. Select **OK**.
5. [Deploy the updated GPO as you normally do](/windows/win32/srvnodes/group-policy).
@ -76,23 +70,25 @@ If you don't want users to see the recommendation to update TPM firmware, you ca
1. On your Group Policy management computer, open the [Group Policy Management Console](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc731212(v=ws.11)), right-click the Group Policy Object you want to configure and click **Edit**.
2. In the **Group Policy Management Editor** go to **Computer configuration** and click **Administrative templates**.
2. In the **Group Policy Management Editor** go to **Computer configuration** and then select **Administrative templates**.
3. Expand the tree to **Windows components > Windows Security > Device security**.
3. Expand the tree to **Windows components** > **Windows Security** > **Device security**.
4. Open the **Hide the TPM Firmware Update recommendation** setting and set it to **Enabled**. Click **OK**.
4. Open the **Hide the TPM Firmware Update recommendation** setting and set it to **Enabled**. Select **OK**.
5. [Deploy the updated GPO as you normally do](/windows/win32/srvnodes/group-policy).
## Disable Memory integrity switch
If you don't want users to be able to change the Hypervisor Control Integrity (HVCI), or memory integrity, setting on their computers, you can disable the **Memory integrity** switch.
> [!IMPORTANT]
> You must have Windows 10, version 1803 or later. The ADMX/ADML template files for earlier versions of Windows do not include these Group Policy settings.
1. On your Group Policy management computer, open the [Group Policy Management Console](/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/cc731212(v=ws.11)), right-click the Group Policy Object you want to configure and click **Edit**.
2. In the **Group Policy Management Editor** go to **Computer configuration** and click **Administrative templates**.
2. In the **Group Policy Management Editor** go to **Computer configuration** and then select **Administrative templates**.
3. Expand the tree to **Windows components > Windows Security > Device security**.
3. Expand the tree to **Windows components** > **Windows Security** > **Device security**.
4. Open the **Disable Memory integrity switch** setting and set it to **Enabled**. Click **OK**.
4. Open the **Disable Memory integrity switch** setting and set it to **Enabled**. Select **OK**.
5. [Deploy the updated GPO as you normally do](/windows/win32/srvnodes/group-policy).

9
windows/security/threat-protection/windows-security-configuration-framework/get-support-for-security-baselines.md
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@ -1,6 +1,6 @@
---
title: Get support for Windows security baselines
description: Find answers to frequently asked question on how to get support for Windows baselines, the Security Compliance Toolkit (SCT), and related topics.
title: Get support for security baselines
description: Find answers to frequently asked question on how to get support for baselines, the Security Compliance Toolkit (SCT), and related topics.
keywords: virtualization, security, malware
ms.prod: m365-security
ms.mktglfcycl: deploy
@ -11,7 +11,7 @@ manager: dansimp
audience: ITPro
ms.collection: M365-security-compliance
ms.topic: conceptual
ms.date: 06/25/2018
ms.date: 01/24/2022
ms.reviewer:
ms.technology: windows-sec
---
@ -96,9 +96,6 @@ Windows Server 2008 R2 |[SP1](/previous-versions/tn-archive/gg236605(v=technet.1
<br />
> [!NOTE]
> Browser baselines are built-in to new OS versions starting with Windows 10
## See also
[Windows security baselines](windows-security-baselines.md)

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windows/security/threat-protection/windows-security-configuration-framework/windows-security-baselines.md
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@ -1,6 +1,6 @@
---
title: Windows security baselines guide
description: Learn how to use Windows security baselines in your organization. Specific to Windows 10, Windows Server 2016, and Office 2016.
title: Security baselines guide
description: Learn how to use security baselines in your organization.
keywords: virtualization, security, malware
ms.prod: m365-security
ms.mktglfcycl: deploy
@ -11,17 +11,17 @@ manager: dansimp
audience: ITPro
ms.collection: M365-security-compliance
ms.topic: conceptual
ms.date:
ms.reviewer:
ms.date: 01/24/2022
ms.reviewer: jmunck
ms.technology: windows-sec
---
# Windows security baselines
# Security baselines
## Using security baselines in your organization
Microsoft is dedicated to providing its customers with secure operating systems, such as Windows and Windows Server, and secure apps, such as Microsoft Edge. In addition to the security assurance of its products, Microsoft also enables you to have fine control over your environments by providing various configuration capabilities.
Microsoft is dedicated to providing its customers with secure operating systems, such as Windows and Windows Server, and secure apps, such as Microsoft 365 apps for enterprise and Microsoft Edge. In addition to the security assurance of its products, Microsoft also enables you to have fine control over your environments by providing various configuration capabilities.
Even though Windows and Windows Server are designed to be secure out-of-the-box, many organizations still want more granular control over their security configurations. To navigate the large number of controls, organizations need guidance on configuring various security features. Microsoft provides this guidance in the form of security baselines.
@ -41,7 +41,15 @@ Security baselines are an essential benefit to customers because they bring toge
For example, there are over 3,000 Group Policy settings for Windows 10, which does not include over 1,800 Internet Explorer 11 settings. Of these 4,800 settings, only some are security-related. Although Microsoft provides extensive guidance on different security features, exploring each one can take a long time. You would have to determine the security impact of each setting on your own. Then, you would still need to determine the appropriate value for each setting.
In modern organizations, the security threat landscape is constantly evolving, and IT pros and policy-makers must keep up with security threats and make required changes to Windows security settings to help mitigate these threats. To enable faster deployments and make managing Windows easier, Microsoft provides customers with security baselines that are available in consumable formats, such as Group Policy Objects Backups.
In modern organizations, the security threat landscape is constantly evolving, and IT pros and policy-makers must keep up with security threats and make required changes to security settings to help mitigate these threats. To enable faster deployments and make managing Microsoft products easier, Microsoft provides customers with security baselines that are available in consumable formats, such as Group Policy Objects Backups.
## Baseline principles
Our recommendations follow a streamlined and efficient approach to baseline definitions. The foundation of that approach is essentially:
- The baselines are designed for well-managed, security-conscious organizations in which standard end users do not have administrative rights.
- A baseline enforces a setting only if it mitigates a contemporary security threat and does not cause operational issues that are worse than the risks they mitigate.
- A baseline enforces a default only if it is otherwise likely to be set to an insecure state by an authorized user:
- If a non-administrator can set an insecure state, enforce the default.
- If setting an insecure state requires administrative rights, enforce the default only if it is likely that a misinformed administrator will otherwise choose poorly.
## How can you use security baselines?