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Microsoft Windows Server 2019 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 must limit the caching of logon credentials to four or less on domain-joined member servers.

    &lt;VulnDiscussion&gt;The default Windows configuration caches the last logon credentials for users who log on interactively to a system. This feat...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 must be running Credential Guard on domain-joined member servers.

    &lt;VulnDiscussion&gt;Credential Guard uses virtualization-based security to protect data that could be used in credential theft attacks if comprom...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 must prevent local accounts with blank passwords from being used from the network.

    &lt;VulnDiscussion&gt;An account without a password can allow unauthorized access to a system as only the username would be required. Password poli...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 built-in administrator account must be renamed.

    &lt;VulnDiscussion&gt;The built-in administrator account is a well-known account subject to attack. Renaming this account to an unidentified name i...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 built-in guest account must be renamed.

    &lt;VulnDiscussion&gt;The built-in guest account is a well-known user account on all Windows systems and, as initially installed, does not require ...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 must prevent PKU2U authentication using online identities.

    &lt;VulnDiscussion&gt;PKU2U is a peer-to-peer authentication protocol. This setting prevents online identities from authenticating to domain-joined...
    Rule Medium Severity
  • Windows Server 2019 maximum age for machine account passwords must be configured to 30 days or less.

    &lt;VulnDiscussion&gt;Computer account passwords are changed automatically on a regular basis. This setting controls the maximum password age that ...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 Smart Card removal option must be configured to Force Logoff or Lock Workstation.

    &lt;VulnDiscussion&gt;Unattended systems are susceptible to unauthorized use and must be locked. Configuring a system to lock when a smart card is ...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 must not allow anonymous SID/Name translation.

    &lt;VulnDiscussion&gt;Allowing anonymous SID/Name translation can provide sensitive information for accessing a system. Only authorized users must ...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2019 must not allow anonymous enumeration of Security Account Manager (SAM) accounts.

    &lt;VulnDiscussion&gt;Anonymous enumeration of SAM accounts allows anonymous logon users (null session connections) to list all accounts names, thu...
    Rule High Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group

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