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Microsoft Windows 11 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000134-GPOS-00068

    <GroupDescription></GroupDescription>
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  • Administrator accounts must not be enumerated during elevation.

    &lt;VulnDiscussion&gt;Enumeration of administrator accounts when elevating can provide part of the logon information to an unauthorized user. This ...
    Rule Medium Severity
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  • Enhanced diagnostic data must be limited to the minimum required to support Windows Analytics.

    &lt;VulnDiscussion&gt;Some features may communicate with the vendor, sending system information or downloading data or components for the feature. ...
    Rule Medium Severity
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  • SRG-OS-000205-GPOS-00083

    <GroupDescription></GroupDescription>
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  • Windows Telemetry must not be configured to Full.

    &lt;VulnDiscussion&gt;Some features may communicate with the vendor, sending system information or downloading data or components for the feature. ...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • Windows Update must not obtain updates from other PCs on the internet.

    &lt;VulnDiscussion&gt;Windows 11 allows Windows Update to obtain updates from additional sources instead of Microsoft. In addition to Microsoft, up...
    Rule Low Severity
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  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
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  • The Microsoft Defender SmartScreen for Explorer must be enabled.

    &lt;VulnDiscussion&gt;Microsoft Defender SmartScreen helps protect systems from programs downloaded from the internet that may be malicious. Enabli...
    Rule Medium Severity
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  • SRG-OS-000433-GPOS-00192

    <GroupDescription></GroupDescription>
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  • Explorer Data Execution Prevention must be enabled.

    &lt;VulnDiscussion&gt;Data Execution Prevention (DEP) provides additional protection by performing checks on memory to help prevent malicious code ...
    Rule Medium Severity
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  • SRG-OS-000420-GPOS-00186

    <GroupDescription></GroupDescription>
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  • File Explorer heap termination on corruption must be disabled.

    &lt;VulnDiscussion&gt;Legacy plug-in applications may continue to function when a File Explorer session has become corrupt. Disabling this feature ...
    Rule Low Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • Windows 11 must be configured to disable Windows Game Recording and Broadcasting.

    &lt;VulnDiscussion&gt;Windows Game Recording and Broadcasting is intended for use with games; however, it could potentially record screen shots of ...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • The use of a hardware security device with Windows Hello for Business must be enabled.

    &lt;VulnDiscussion&gt;The use of a Trusted Platform Module (TPM) to store keys for Windows Hello for Business provides additional security. Keys st...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • Windows 11 must be configured to require a minimum pin length of six characters or greater.

    &lt;VulnDiscussion&gt;Windows allows the use of PINs as well as biometrics for authentication without sending a password to a network or website wh...
    Rule Medium Severity
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  • SRG-OS-000373-GPOS-00156

    <GroupDescription></GroupDescription>
    Group
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  • Passwords must not be saved in the Remote Desktop Client.

    &lt;VulnDiscussion&gt;Saving passwords in the Remote Desktop Client could allow an unauthorized user to establish a remote desktop session to anoth...
    Rule Medium Severity
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  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
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  • Local drives must be prevented from sharing with Remote Desktop Session Hosts.

    &lt;VulnDiscussion&gt;Preventing users from sharing the local drives on their client computers to Remote Session Hosts that they access helps reduc...
    Rule Medium Severity
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  • SRG-OS-000373-GPOS-00156

    <GroupDescription></GroupDescription>
    Group
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  • Remote Desktop Services must always prompt a client for passwords upon connection.

    &lt;VulnDiscussion&gt;This setting controls the ability of users to supply passwords automatically as part of their remote desktop connection. Disa...
    Rule Medium Severity
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  • SRG-OS-000250-GPOS-00093

    <GroupDescription></GroupDescription>
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  • The Remote Desktop Session Host must require secure RPC communications.

    &lt;VulnDiscussion&gt;Allowing unsecure RPC communication exposes the system to man in the middle attacks and data disclosure attacks. A man in the...
    Rule Medium Severity
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  • Remote Desktop Services must be configured with the client connection encryption set to the required level.

    &lt;VulnDiscussion&gt;Remote connections must be encrypted to prevent interception of data or sensitive information. Selecting "High Level" will en...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • Attachments must be prevented from being downloaded from RSS feeds.

    &lt;VulnDiscussion&gt;Attachments from RSS feeds may not be secure. This setting will prevent attachments from being downloaded from RSS feeds.&lt;...
    Rule Medium Severity
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  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
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  • Basic authentication for RSS feeds over HTTP must not be used.

    &lt;VulnDiscussion&gt;Basic authentication uses plain text passwords that could be used to compromise a system.&lt;/VulnDiscussion&gt;&lt;FalsePosi...
    Rule Medium Severity
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  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
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  • Indexing of encrypted files must be turned off.

    &lt;VulnDiscussion&gt;Indexing of encrypted files may expose sensitive data. This setting prevents encrypted files from being indexed.&lt;/VulnDisc...
    Rule Medium Severity
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  • SRG-OS-000362-GPOS-00149

    <GroupDescription></GroupDescription>
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  • Users must be prevented from changing installation options.

    &lt;VulnDiscussion&gt;Installation options for applications are typically controlled by administrators. This setting prevents users from changing i...
    Rule Medium Severity
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  • SRG-OS-000362-GPOS-00149

    <GroupDescription></GroupDescription>
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  • The Windows Installer feature "Always install with elevated privileges" must be disabled.

    &lt;VulnDiscussion&gt;Standard user accounts must not be granted elevated privileges. Enabling Windows Installer to elevate privileges when install...
    Rule High Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • Users must be notified if a web-based program attempts to install software.

    &lt;VulnDiscussion&gt;Web-based programs may attempt to install malicious software on a system. Ensuring users are notified if a web-based program ...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00229

    <GroupDescription></GroupDescription>
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  • Automatically signing in the last interactive user after a system-initiated restart must be disabled.

    &lt;VulnDiscussion&gt;Windows can be configured to automatically sign the user back in after a Windows Update restart. Some protections are in plac...
    Rule Medium Severity
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  • SRG-OS-000042-GPOS-00020

    <GroupDescription></GroupDescription>
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  • PowerShell script block logging must be enabled on Windows 11.

    &lt;VulnDiscussion&gt;Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, ...
    Rule Medium Severity
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  • SRG-OS-000041-GPOS-00019

    <GroupDescription></GroupDescription>
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  • PowerShell Transcription must be enabled on Windows 11.

    &lt;VulnDiscussion&gt;Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, ...
    Rule Medium Severity
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  • SRG-OS-000125-GPOS-00065

    <GroupDescription></GroupDescription>
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  • The Windows Remote Management (WinRM) client must not use Basic authentication.

    &lt;VulnDiscussion&gt;Basic authentication uses plain text passwords that could be used to compromise a system.&lt;/VulnDiscussion&gt;&lt;FalsePosi...
    Rule High Severity
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  • SRG-OS-000393-GPOS-00173

    <GroupDescription></GroupDescription>
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  • The Windows Remote Management (WinRM) client must not allow unencrypted traffic.

    &lt;VulnDiscussion&gt;Unencrypted remote access to a system can allow sensitive information to be compromised. Windows remote management connection...
    Rule Medium Severity
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Node 2

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