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1
browsers/internet-explorer/ie11-deploy-guide/new-group-policy-settings-for-ie11.md
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@ -34,6 +34,7 @@ Internet Explorer 11 gives you some new Group Policy settings to help you manage
| Always send Do Not Track header | Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Advanced Page | At least Internet Explorer 10 | This policy setting allows you to configure how IE sends the Do Not Track (DNT) header.<p>If you enable this policy setting, IE sends a `DNT:1` header with all HTTP and HTTPS requests. The `DNT:1` header signals to the servers not to track the user.<p>**In Internet Explorer 9 and 10:**<br>If you disable this policy setting, IE only sends the Do Not Track header if a Tracking Protection List is enabled or inPrivate Browsing mode is used.<p>**In at least IE11:**<br>If you disable this policy setting, IE only sends the Do Not Track header if inPrivate Browsing mode is used.<p>If you don't configure the policy setting, users can select the **Always send Do Not Track header** option on the **Advanced\* tab of the \*\*Internet Options** dialog box. By selecting this option, IE sends a `DNT:1` header with all HTTP and HTTPS requests; unless the user grants a site-specific exception, in which case IE sends a `DNT:0` header. By default, this option is enabled. | | Always send Do Not Track header | Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Advanced Page | At least Internet Explorer 10 | This policy setting allows you to configure how IE sends the Do Not Track (DNT) header.<p>If you enable this policy setting, IE sends a `DNT:1` header with all HTTP and HTTPS requests. The `DNT:1` header signals to the servers not to track the user.<p>**In Internet Explorer 9 and 10:**<br>If you disable this policy setting, IE only sends the Do Not Track header if a Tracking Protection List is enabled or inPrivate Browsing mode is used.<p>**In at least IE11:**<br>If you disable this policy setting, IE only sends the Do Not Track header if inPrivate Browsing mode is used.<p>If you don't configure the policy setting, users can select the **Always send Do Not Track header** option on the **Advanced\* tab of the \*\*Internet Options** dialog box. By selecting this option, IE sends a `DNT:1` header with all HTTP and HTTPS requests; unless the user grants a site-specific exception, in which case IE sends a `DNT:0` header. By default, this option is enabled. |
| Don't run antimalware programs against ActiveX controls<br>(Internet, Restricted Zones) | <ul><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Internet Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Locked-Down Internet Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Restricted Sites Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Locked-Down Restricted Sites Zone</li></ul> | IE11 on Windows 10 | This policy setting determines whether IE runs antimalware programs against ActiveX controls, to check if they're safe to load on pages.<p>If you enable this policy setting, IE won't check with your antimalware program to see if it's safe to create an instance of the ActiveX control.<p>If you disable this policy setting, IE always checks with your antimalware program to see if it's safe to create an instance of the ActiveX control.<p>If you don't configure this policy setting, IE always checks with your antimalware program to see if it's safe to create an instance of the ActiveX control. Users can turn this behavior on or off, using the Internet Explorer's **Security** settings. | | Don't run antimalware programs against ActiveX controls<br>(Internet, Restricted Zones) | <ul><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Internet Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Locked-Down Internet Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Restricted Sites Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Locked-Down Restricted Sites Zone</li></ul> | IE11 on Windows 10 | This policy setting determines whether IE runs antimalware programs against ActiveX controls, to check if they're safe to load on pages.<p>If you enable this policy setting, IE won't check with your antimalware program to see if it's safe to create an instance of the ActiveX control.<p>If you disable this policy setting, IE always checks with your antimalware program to see if it's safe to create an instance of the ActiveX control.<p>If you don't configure this policy setting, IE always checks with your antimalware program to see if it's safe to create an instance of the ActiveX control. Users can turn this behavior on or off, using the Internet Explorer's **Security** settings. |
| Don't run antimalware programs against ActiveX controls<br>(Intranet, Trusted, Local Machine Zones) | <ul><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Intranet Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Locked-Down Intranet Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Trusted Sites Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Locked-Down Trusted Sites Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Local Machine Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Locked-Down Local Machine Zone</li></ul> | IE11 on Windows 10 | This policy setting determines whether IE runs antimalware programs against ActiveX controls, to check if they're safe to load on pages.<p>If you enable this policy setting, IE won't check with your antimalware program to see if it's safe to create an instance of the ActiveX control.<p>If you disable this policy setting, IE always checks with your antimalware program to see if it's safe to create an instance of the ActiveX control.<p>If you don't configure this policy setting, IE won't check with your antimalware program to see if it's safe to create an instance of the ActiveX control. Users can turn this behavior on or off, using Internet Explorer's **Security** settings. | | Don't run antimalware programs against ActiveX controls<br>(Intranet, Trusted, Local Machine Zones) | <ul><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Intranet Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Locked-Down Intranet Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Trusted Sites Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Locked-Down Trusted Sites Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Local Machine Zone</li><li>Administrative Templates\Windows Components\Internet Explorer\Internet Control Panel\Security Page\Locked-Down Local Machine Zone</li></ul> | IE11 on Windows 10 | This policy setting determines whether IE runs antimalware programs against ActiveX controls, to check if they're safe to load on pages.<p>If you enable this policy setting, IE won't check with your antimalware program to see if it's safe to create an instance of the ActiveX control.<p>If you disable this policy setting, IE always checks with your antimalware program to see if it's safe to create an instance of the ActiveX control.<p>If you don't configure this policy setting, IE won't check with your antimalware program to see if it's safe to create an instance of the ActiveX control. Users can turn this behavior on or off, using Internet Explorer's **Security** settings. |
| Hide Internet Explorer 11 Application Retirement Notification | Administrative Templates\Windows Components\Internet Explorer | Internet Explorer 11 on Windows 10 20H2 & newer | This policy setting allows you to prevent the notification bar that informs users of Internet Explorer 11’s retirement from showing up. <br>If you disable or don’t configure this setting, the notification will be shown. |
| Hide the button (next to the New Tab button) that opens Microsoft Edge | User Configuration\Administrative Templates\Windows Components/Internet Explorer\Internet Settings\Advanced Settings\Browsing\ | IE11 on Windows 10, version 1703 | This policy setting lets you decide whether employees can see the open Microsoft Edge button, which appears next to the New Tab button.<p>If you enable this policy setting, the button to open Microsoft Edge from Internet Explorer will be hidden.<p>If you disable this policy setting, the button to open Microsoft Edge from Internet Explorer appears.<p>If you don't configure this policy setting, the button to open Microsoft Edge from Internet Explorer can be configured by your employees. | | Hide the button (next to the New Tab button) that opens Microsoft Edge | User Configuration\Administrative Templates\Windows Components/Internet Explorer\Internet Settings\Advanced Settings\Browsing\ | IE11 on Windows 10, version 1703 | This policy setting lets you decide whether employees can see the open Microsoft Edge button, which appears next to the New Tab button.<p>If you enable this policy setting, the button to open Microsoft Edge from Internet Explorer will be hidden.<p>If you disable this policy setting, the button to open Microsoft Edge from Internet Explorer appears.<p>If you don't configure this policy setting, the button to open Microsoft Edge from Internet Explorer can be configured by your employees. |
| Let users turn on and use Enterprise Mode from the **Tools** menu | Administrative Templates\Windows Components\Internet Explorer | IE11 on Windows 10 | This policy setting lets you decide whether users can turn on Enterprise Mode for websites with compatibility issues. Optionally, this policy also lets you specify where to get reports (through post messages) about the websites for which users turn on Enterprise Mode using the **Tools** menu.<p>If you enable this policy setting, users can see and use the **Enterprise Mode** option from the **Tools** menu. If you enable this setting, but don’t specify a report location, Enterprise Mode will still be available to your users, but you won’t get any reports.<p>If you disable or don’t configure this policy setting, the menu option won’t appear and users won’t be able to turn on Enterprise Mode locally. | | Let users turn on and use Enterprise Mode from the **Tools** menu | Administrative Templates\Windows Components\Internet Explorer | IE11 on Windows 10 | This policy setting lets you decide whether users can turn on Enterprise Mode for websites with compatibility issues. Optionally, this policy also lets you specify where to get reports (through post messages) about the websites for which users turn on Enterprise Mode using the **Tools** menu.<p>If you enable this policy setting, users can see and use the **Enterprise Mode** option from the **Tools** menu. If you enable this setting, but don’t specify a report location, Enterprise Mode will still be available to your users, but you won’t get any reports.<p>If you disable or don’t configure this policy setting, the menu option won’t appear and users won’t be able to turn on Enterprise Mode locally. |
| Limit Site Discovery output by Domain | Administrative Templates\Windows Components\Internet Explorer | At least Internet Explorer 8 | This policy setting allows you to control which domains are included in the discovery function of the Internet Explorer Site Discovery Toolkit.<p>If you enable this policy setting, the Internet Explorer Site Discovery Toolkit collects data from all sites in your specified domains, configured by adding one domain per line to the included text box.<p>If you disable or don’t configure this setting, the Internet Explorer Site Discovery Toolkit collects data from all sites in all domains.<p>**Note:**<br>You can use this setting in conjunction with the other settings that control the Internet Explorer Site Discovery Toolkit. | | Limit Site Discovery output by Domain | Administrative Templates\Windows Components\Internet Explorer | At least Internet Explorer 8 | This policy setting allows you to control which domains are included in the discovery function of the Internet Explorer Site Discovery Toolkit.<p>If you enable this policy setting, the Internet Explorer Site Discovery Toolkit collects data from all sites in your specified domains, configured by adding one domain per line to the included text box.<p>If you disable or don’t configure this setting, the Internet Explorer Site Discovery Toolkit collects data from all sites in all domains.<p>**Note:**<br>You can use this setting in conjunction with the other settings that control the Internet Explorer Site Discovery Toolkit. |

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windows/client-management/mdm/policy-csp-internetexplorer.md
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@ -1956,7 +1956,7 @@ ADMX Info:
<!--Description--> <!--Description-->
This policy setting allows you to manage a list of sites that you want to associate with a particular security zone. These zone numbers have associated security settings that apply to all of the sites in the zone. This policy setting allows you to manage a list of sites that you want to associate with a particular security zone. These zone numbers have associated security settings that apply to all of the sites in the zone.
Internet Explorer has 4 security zones, numbered 1-4, and these are used by this policy setting to associate sites to zones. They are: (1) Intranet zone, (2) Trusted Sites zone, (3) Internet zone, and (4) Restricted Sites zone. Security settings can be set for each of these zones through other policy settings, and their default settings are: Trusted Sites zone (Low template), Intranet zone (Medium-Low template), Internet zone (Medium template), and Restricted Sites zone (High template). (The Local Machine zone and its locked down equivalent have special security settings that protect your local computer.) Internet Explorer has 4 security zones, numbered 1-4, and these are used by this policy setting to associate sites to zones. They are: (1) Intranet zone, (2) Trusted Sites zone, (3) Internet zone, and (4) Restricted Sites zone. Security settings can be set for each of these zones through other policy settings, and their default settings are: Trusted Sites zone (Medium template), Intranet zone (Medium-Low template), Internet zone (Medium-high template), and Restricted Sites zone (High template). (The Local Machine zone and its locked down equivalent have special security settings that protect your local computer.)
If you enable this policy setting, you can enter a list of sites and their related zone numbers. The association of a site with a zone will ensure that the security settings for the specified zone are applied to the site.  For each entry that you add to the list, enter the following information: If you enable this policy setting, you can enter a list of sites and their related zone numbers. The association of a site with a zone will ensure that the security settings for the specified zone are applied to the site.  For each entry that you add to the list, enter the following information:
@ -14006,4 +14006,4 @@ ADMX Info:
<!--/Policy--> <!--/Policy-->
<hr/> <hr/>
<!--/Policies--> <!--/Policies-->

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 manager: dansimp
ms.collection: M365-identity-device-management ms.collection: M365-identity-device-management
ms.topic: article ms.topic: article
ms.date: 01/24/2022 ms.date: 01/26/2022
ms.reviewer: ms.reviewer:
--- ---
@ -33,7 +33,7 @@ The following known issue has been fixed in the [Cumulative Security Update for
Failure occurred in ‘LogonUserExEx’. <br> Failure occurred in ‘LogonUserExEx’. <br>
User Action: Ensure the credentials for the task are correctly specified. <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)." 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. You also get a similar user name in a user logon failure event 4525 with error 0xC0000064 on the machine itself. 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 4625 with error 0xC0000064 on the machine itself. For example:
> Log Name: Microsoft-Windows-NTLM/Operational > Log Name: Microsoft-Windows-NTLM/Operational
Source: Microsoft-Windows-Security-Netlogon Source: Microsoft-Windows-Security-Netlogon
Event ID: 8004 Event ID: 8004

10
windows/security/identity-protection/hello-for-business/hello-hybrid-cert-new-install.md
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@ -55,15 +55,17 @@ Windows Hello for Business must have a public key infrastructure regardless of t
This guide assumes most enterprises have an existing public key infrastructure. Windows Hello for Business depends on a Windows enterprise public key infrastructure running the Active Directory Certificate Services role from Windows Server 2012 or later. This guide assumes most enterprises have an existing public key infrastructure. Windows Hello for Business depends on a Windows enterprise public key infrastructure running the Active Directory Certificate Services role from Windows Server 2012 or later.
For more details about configuring a Windows enterprise public key infrastructure and installing Active Directory Certificate Services, see [Follow the Windows Hello for Business hybrid key trust deployment guide](/windows/security/identity-protection/hello-for-business/hello-hybrid-key-whfb-settings-pki#follow-the-windows-hello-for-business-hybrid-key-trust-deployment-guide) and [Install the Certification Authority](/windows-server/networking/core-network-guide/cncg/server-certs/install-the-certification-authority).
> [!NOTE]
> Never install a certificate authority on a domain controller in a production environment.
### Lab-based public key infrastructure ### Lab-based public key infrastructure
The following instructions may be used to deploy simple public key infrastructure that is suitable for a lab environment. The following instructions may be used to deploy simple public key infrastructure that is suitable for a lab environment.
Sign-in using _Enterprise Admin_ equivalent credentials on Windows Server 2012 or later server where you want the certificate authority installed. Sign-in using _Enterprise Admin_ equivalent credentials on Windows Server 2012 or later server where you want the certificate authority installed.
>[!NOTE]
>Never install a certificate authority on a domain controller in a production environment.
1. Open an elevated Windows PowerShell prompt. 1. Open an elevated Windows PowerShell prompt.
2. Use the following command to install the Active Directory Certificate Services role. 2. Use the following command to install the Active Directory Certificate Services role.
```PowerShell ```PowerShell
@ -148,4 +150,4 @@ Alternatively, you can configure Windows Server 2016 Active Directory Federation
3. New Installation Baseline (*You are here*) 3. New Installation Baseline (*You are here*)
4. [Configure Azure Device Registration](hello-hybrid-cert-trust-devreg.md) 4. [Configure Azure Device Registration](hello-hybrid-cert-trust-devreg.md)
5. [Configure Windows Hello for Business settings](hello-hybrid-cert-whfb-settings.md) 5. [Configure Windows Hello for Business settings](hello-hybrid-cert-whfb-settings.md)
6. [Sign-in and Provision](hello-hybrid-cert-whfb-provision.md) 6. [Sign-in and Provision](hello-hybrid-cert-whfb-provision.md)

6
windows/security/threat-protection/windows-defender-application-control/select-types-of-rules-to-create.md
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@ -10,11 +10,11 @@ ms.pagetype: security
ms.localizationpriority: medium ms.localizationpriority: medium
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
author: jsuther1974 author: dansimp
ms.reviewer: isbrahm ms.reviewer: isbrahm
ms.author: dansimp ms.author: dansimp
manager: dansimp manager: dansimp
ms.date: 07/15/2021 ms.date: 01/26/2022
ms.technology: windows-sec ms.technology: windows-sec
--- ---
@ -31,6 +31,8 @@ ms.technology: windows-sec
Windows Defender Application Control (WDAC) can control what runs on Windows 10 and Windows 11, by setting policies that specify whether a driver or application is trusted. A policy includes *policy rules* that control options such as audit mode, and *file rules* (or *file rule levels*) that specify how applications are identified and trusted. Windows Defender Application Control (WDAC) can control what runs on Windows 10 and Windows 11, by setting policies that specify whether a driver or application is trusted. A policy includes *policy rules* that control options such as audit mode, and *file rules* (or *file rule levels*) that specify how applications are identified and trusted.
WDAC is used to restrict devices to run only approved apps, while the operating system is hardened against kernel memory attacks using [hypervisor-protected code integrity (HVCI)](/windows/security/threat-protection/device-guard/introduction-to-device-guard-virtualization-based-security-and-windows-defender-application-control).
## Windows Defender Application Control policy rules ## Windows Defender Application Control policy rules
To modify the policy rule options of an existing WDAC policy XML, use [Set-RuleOption](/powershell/module/configci/set-ruleoption). The following examples show how to use this cmdlet to add and remove a rule option on an existing WDAC policy: To modify the policy rule options of an existing WDAC policy XML, use [Set-RuleOption](/powershell/module/configci/set-ruleoption). The following examples show how to use this cmdlet to add and remove a rule option on an existing WDAC policy:

5
windows/security/threat-protection/windows-defender-application-control/use-device-guard-signing-portal-in-microsoft-store-for-business.md
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@ -26,6 +26,9 @@ ms.technology: windows-sec
- Windows 11 - Windows 11
- Windows Server 2016 and above - Windows Server 2016 and above
> [!IMPORTANT]
> The existing web-based mechanism for the Device Guard Signing Service v1 will be retired on June 9, 2021. Please transition to the PowerShell based version of the service [(DGSS v2)](/microsoft-store/device-guard-signing-portal). For more details, see [Sign an MSIX package with Device Guard signing](/windows/msix/package/signing-package-device-guard-signing) and [Device Guard signing](/microsoft-store/device-guard-signing-portal).
> [!NOTE] > [!NOTE]
> Some capabilities of Windows Defender Application Control are only available on specific Windows versions. Learn more about the [Windows Defender Application Control feature availability](feature-availability.md). > Some capabilities of Windows Defender Application Control are only available on specific Windows versions. Learn more about the [Windows Defender Application Control feature availability](feature-availability.md).
@ -47,4 +50,4 @@ Before you get started, be sure to review these best practices:
4. After the files are uploaded, click **Sign** to sign the code integrity policy. 4. After the files are uploaded, click **Sign** to sign the code integrity policy.
5. Click **Download** to download the signed code integrity policy. 5. Click **Download** to download the signed code integrity policy.
When you sign a code integrity policy with the Device Guard signing portal, the signing certificate is added to the policy. This means you can't modify this policy. If you need to make changes, make them to an unsigned version of the policy, and then sign the policy again. When you sign a code integrity policy with the Device Guard signing portal, the signing certificate is added to the policy. This means you can't modify this policy. If you need to make changes, make them to an unsigned version of the policy, and then sign the policy again.

6
windows/security/threat-protection/windows-security-configuration-framework/windows-security-baselines.md
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@ -11,7 +11,7 @@ manager: dansimp
audience: ITPro audience: ITPro
ms.collection: M365-security-compliance ms.collection: M365-security-compliance
ms.topic: conceptual ms.topic: conceptual
ms.date: 01/24/2022 ms.date: 01/26/2022
ms.reviewer: jmunck ms.reviewer: jmunck
ms.technology: windows-sec ms.technology: windows-sec
--- ---
@ -63,9 +63,9 @@ There are several ways to get and use security baselines:
1. You can download the security baselines from the [Microsoft Download Center](https://www.microsoft.com/download/details.aspx?id=55319). This download page is for the Security Compliance Toolkit (SCT), which comprises tools that can assist admins in managing baselines in addition to the security baselines. The security baselines are included in the [Security Compliance Toolkit (SCT)](security-compliance-toolkit-10.md), which can be downloaded from the Microsoft Download Center. The SCT also includes tools to help admins manage the security baselines. You can also [Get Support for the security baselines](get-support-for-security-baselines.md) 1. You can download the security baselines from the [Microsoft Download Center](https://www.microsoft.com/download/details.aspx?id=55319). This download page is for the Security Compliance Toolkit (SCT), which comprises tools that can assist admins in managing baselines in addition to the security baselines. The security baselines are included in the [Security Compliance Toolkit (SCT)](security-compliance-toolkit-10.md), which can be downloaded from the Microsoft Download Center. The SCT also includes tools to help admins manage the security baselines. You can also [Get Support for the security baselines](get-support-for-security-baselines.md)
2. [MDM (Mobile Device Management) security baselines](/windows/client-management/mdm/#mdm-security-baseline.md) function like the Microsoft group policy-based security baselines and can easily integrate this into an existing MDM management tool. 2. [MDM (Mobile Device Management) security baselines](/windows/client-management/mdm/#mdm-security-baseline) function like the Microsoft group policy-based security baselines and can easily integrate this into an existing MDM management tool.
3. MDM Security baselines can easily be configures in Microsoft Endpoint Manager on devices that run Windows 10 and 11. The following article provides the detail steps: [Windows MDM (Mobile Device Management) baselines](/mem/intune/protect/security-baseline-settings-mdm-all.md). 3. MDM Security baselines can easily be configures in Microsoft Endpoint Manager on devices that run Windows 10 and 11. The following article provides the detail steps: [Windows MDM (Mobile Device Management) baselines](/mem/intune/protect/security-baseline-settings-mdm-all).
## Community ## Community