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Microsoft Windows Server 2016 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The TFTP Client must not be installed.

    <VulnDiscussion>Unnecessary services increase the attack surface of a system. Some of these services may not support required levels of authe...
    Rule Medium Severity
    Show

  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Server Message Block (SMB) v1 protocol must be uninstalled.

    &lt;VulnDiscussion&gt;SMBv1 is a legacy protocol that uses the MD5 algorithm as part of SMB. MD5 is known to be vulnerable to a number of attacks s...
    Rule Medium Severity
    Show

  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Server Message Block (SMB) v1 protocol must be disabled on the SMB server.

    &lt;VulnDiscussion&gt;SMBv1 is a legacy protocol that uses the MD5 algorithm as part of SMB. MD5 is known to be vulnerable to a number of attacks s...
    Rule Medium Severity
    Show

  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Windows Remote Management (WinRM) service must not use Basic authentication.

    &lt;VulnDiscussion&gt;Basic authentication uses plain-text passwords that could be used to compromise a system. Disabling Basic authentication will...
    Rule High Severity
    Show

  • SRG-OS-000393-GPOS-00173

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000134-GPOS-00068

    <GroupDescription></GroupDescription>
    Group
    Show

  • Insecure logons to an SMB server must be disabled.

    &lt;VulnDiscussion&gt;Insecure guest logons allow unauthenticated access to shared folders. Shared resources on a system must require authenticatio...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • The default AutoRun behavior must be configured to prevent AutoRun commands.

    &lt;VulnDiscussion&gt;Allowing AutoRun commands to execute may introduce malicious code to a system. Configuring this setting prevents AutoRun comm...
    Rule High Severity
    Show

  • SRG-OS-000368-GPOS-00154

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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. Disabling Basic authentication will...
    Rule Medium Severity
    Show

  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-OS-000362-GPOS-00149

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Telnet Client must not be installed.

    &lt;VulnDiscussion&gt;Unnecessary services increase the attack surface of a system. Some of these services may not support required levels of authe...
    Rule Medium Severity
    Show

  • Manually managed application account passwords must be at least 14 characters in length.

    &lt;VulnDiscussion&gt;Application/service account passwords must be of sufficient length to prevent being easily cracked. Application/service accou...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000096-GPOS-00050

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • Users with Administrative privileges must have separate accounts for administrative duties and normal operational tasks.

    &lt;VulnDiscussion&gt;Using a privileged account to perform routine functions makes the computer vulnerable to malicious software inadvertently int...
    Rule High Severity
    Show

  • SRG-OS-000076-GPOS-00044

    <GroupDescription></GroupDescription>
    Group
    Show

  • Passwords for the built-in Administrator account must be changed at least every 60 days.

    &lt;VulnDiscussion&gt;The longer a password is in use, the greater the opportunity for someone to gain unauthorized knowledge of the password. The ...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • Administrative accounts must not be used with applications that access the Internet, such as web browsers, or with potential Internet sources, such as email.

    &lt;VulnDiscussion&gt;Using applications that access the Internet or have potential Internet sources using administrative privileges exposes a syst...
    Rule High Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • Members of the Backup Operators group must have separate accounts for backup duties and normal operational tasks.

    &lt;VulnDiscussion&gt;Backup Operators are able to read and write to any file in the system, regardless of the rights assigned to it. Backup and re...
    Rule Medium Severity
    Show

  • SRG-OS-000078-GPOS-00046

    <GroupDescription></GroupDescription>
    Group
    Show

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
    Show

  • Manually managed application account passwords must be changed at least annually or when a system administrator with knowledge of the password leaves the organization.

    &lt;VulnDiscussion&gt;Setting application account passwords to expire may cause applications to stop functioning. However, not changing them on a r...
    Rule Medium Severity
    Show

  • SRG-OS-000104-GPOS-00051

    <GroupDescription></GroupDescription>
    Group
    Show

  • Shared user accounts must not be permitted on the system.

    &lt;VulnDiscussion&gt;Shared accounts (accounts where two or more people log on with the same user identification) do not provide adequate identifi...
    Rule Medium Severity
    Show

  • SRG-OS-000370-GPOS-00155

    <GroupDescription></GroupDescription>
    Group
    Show

  • Windows Server 2016 must employ a deny-all, permit-by-exception policy to allow the execution of authorized software programs.

    &lt;VulnDiscussion&gt;Using an allowlist provides a configuration management method to allow the execution of only authorized software. Using only ...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • Windows Server 2016 domain-joined systems must have a Trusted Platform Module (TPM) enabled and ready for use.

    &lt;VulnDiscussion&gt;Credential Guard uses virtualization-based security to protect data that could be used in credential theft attacks if comprom...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • Systems must be maintained at a supported servicing level.

    &lt;VulnDiscussion&gt;Systems at unsupported servicing levels will not receive security updates for new vulnerabilities, which leave them subject t...
    Rule High Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Windows Server 2016 system must use an anti-virus program.

    &lt;VulnDiscussion&gt;Malicious software can establish a base on individual desktops and servers. Employing an automated mechanism to detect this t...
    Rule High Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • Servers must have a host-based intrusion detection or prevention system.

    &lt;VulnDiscussion&gt;A properly configured Host-based Intrusion Detection System (HIDS) or Host-based Intrusion Prevention System (HIPS) provides ...
    Rule Medium Severity
    Show

  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
    Show

  • Local volumes must use a format that supports NTFS attributes.

    &lt;VulnDiscussion&gt;The ability to set access permissions and auditing is critical to maintaining the security and proper access controls of a sy...
    Rule High Severity
    Show

  • SRG-OS-000312-GPOS-00122

    <GroupDescription></GroupDescription>
    Group
    Show

  • Permissions for the system drive root directory (usually C:\) must conform to minimum requirements.

    &lt;VulnDiscussion&gt;Changing the system's file and directory permissions allows the possibility of unauthorized and anonymous modification to the...
    Rule Medium Severity
    Show

  • SRG-OS-000312-GPOS-00122

    <GroupDescription></GroupDescription>
    Group
    Show

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