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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000379-GPOS-00164

    <GroupDescription></GroupDescription>
    Group
  • The computer account password must not be prevented from being reset.

    &lt;VulnDiscussion&gt;Computer account passwords are changed automatically on a regular basis. Disabling automatic password changes can make the sy...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The 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-000423-GPOS-00187

    <GroupDescription></GroupDescription>
    Group
  • Windows Server 2016 must be configured to require a strong session key.

    &lt;VulnDiscussion&gt;A computer connecting to a domain controller will establish a secure channel. The secure channel connection may be subject to...
    Rule Medium Severity
  • SRG-OS-000029-GPOS-00010

    <GroupDescription></GroupDescription>
    Group
  • The machine inactivity limit must be set to 15 minutes, locking the system with the screen saver.

    &lt;VulnDiscussion&gt;Unattended systems are susceptible to unauthorized use and should be locked when unattended. The screen saver should be set a...
    Rule Medium Severity
  • SRG-OS-000023-GPOS-00006

    <GroupDescription></GroupDescription>
    Group
  • The required legal notice must be configured to display before console logon.

    &lt;VulnDiscussion&gt;Failure to display the logon banner prior to a logon attempt will negate legal proceedings resulting from unauthorized access...
    Rule Medium Severity
  • SRG-OS-000023-GPOS-00006

    <GroupDescription></GroupDescription>
    Group
  • The Windows dialog box title for the legal banner must be configured with the appropriate text.

    &lt;VulnDiscussion&gt;Failure to display the logon banner prior to a logon attempt will negate legal proceedings resulting from unauthorized access...
    Rule Low Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The 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-000423-GPOS-00187

    <GroupDescription></GroupDescription>
    Group
  • The setting Microsoft network client: Digitally sign communications (always) must be configured to Enabled.

    &lt;VulnDiscussion&gt;The server message block (SMB) protocol provides the basis for many network operations. Digitally signed SMB packets aid in p...
    Rule Medium Severity
  • SRG-OS-000423-GPOS-00187

    <GroupDescription></GroupDescription>
    Group
  • The setting Microsoft network client: Digitally sign communications (if server agrees) must be configured to Enabled.

    &lt;VulnDiscussion&gt;The server message block (SMB) protocol provides the basis for many network operations. If this policy is enabled, the SMB cl...
    Rule Medium Severity
  • SRG-OS-000074-GPOS-00042

    <GroupDescription></GroupDescription>
    Group
  • Unencrypted passwords must not be sent to third-party Server Message Block (SMB) servers.

    &lt;VulnDiscussion&gt;Some non-Microsoft SMB servers only support unencrypted (plain-text) password authentication. Sending plain-text passwords ac...
    Rule Medium Severity

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