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III - Administrative Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000096-GPOS-00050

    <GroupDescription></GroupDescription>
    Group
  • The TFTP Client must not be installed on the system.

    &lt;VulnDiscussion&gt;The "TFTP Client" is not installed by default. Some protocols and services do not support required security features, such as...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Software certificate installation files must be removed from Windows 11.

    &lt;VulnDiscussion&gt;Use of software certificates and their accompanying installation files for end users to access resources is less secure than ...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • A host-based firewall must be installed and enabled on the system.

    &lt;VulnDiscussion&gt;A firewall provides a line of defense against attack, allowing or blocking inbound and outbound connections based on a set of...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00232

    <GroupDescription></GroupDescription>
    Group
  • Inbound exceptions to the firewall on Windows 11 domain workstations must only allow authorized remote management hosts.

    &lt;VulnDiscussion&gt;Allowing inbound access to domain workstations from other systems may allow lateral movement across systems if credentials ar...
    Rule Medium Severity
  • SRG-OS-000433-GPOS-00193

    <GroupDescription></GroupDescription>
    Group
  • Data Execution Prevention (DEP) must be configured to at least OptOut.

    &lt;VulnDiscussion&gt;Attackers are constantly looking for vulnerabilities in systems and applications. Data Execution Prevention (DEP) prevents ha...
    Rule High Severity
  • SRG-OS-000433-GPOS-00192

    <GroupDescription></GroupDescription>
    Group
  • Structured Exception Handling Overwrite Protection (SEHOP) must be enabled.

    &lt;VulnDiscussion&gt;Attackers are constantly looking for vulnerabilities in systems and applications. Structured Exception Handling Overwrite Pro...
    Rule High Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • The Windows PowerShell 2.0 feature must be disabled on the system.

    &lt;VulnDiscussion&gt;Windows PowerShell 5.0 added advanced logging features which can provide additional detail when malware has been run on a sys...
    Rule Medium Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • The Server Message Block (SMB) v1 protocol must be disabled on the system.

    &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
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • 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
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • The Server Message Block (SMB) v1 protocol must be disabled on the SMB client.

    &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
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • The Secondary Logon service must be disabled on Windows 11.

    &lt;VulnDiscussion&gt;The Secondary Logon service provides a means for entering alternate credentials, typically used to run commands with elevated...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • Orphaned security identifiers (SIDs) must be removed from user rights on Windows 11.

    &lt;VulnDiscussion&gt;Accounts or groups given rights on a system may show up as unresolved SIDs for various reasons including deletion of the acco...
    Rule Medium Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • Bluetooth must be turned off unless approved by the organization.

    &lt;VulnDiscussion&gt;If not configured properly, Bluetooth may allow rogue devices to communicate with a system. If a rogue device is paired with ...
    Rule Medium Severity
  • SRG-OS-000095-GPOS-00049

    <GroupDescription></GroupDescription>
    Group
  • Bluetooth must be turned off when not in use.

    &lt;VulnDiscussion&gt;If not configured properly, Bluetooth may allow rogue devices to communicate with a system. If a rogue device is paired with ...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • The system must notify the user when a Bluetooth device attempts to connect.

    &lt;VulnDiscussion&gt;If not configured properly, Bluetooth may allow rogue devices to communicate with a system. If a rogue device is paired with ...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • 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
  • SRG-OS-000185-GPOS-00079

    <GroupDescription></GroupDescription>
    Group
  • Windows 11 nonpersistent VM sessions must not exceed 24 hours.

    &lt;VulnDiscussion&gt;For virtual desktop implementations (VDIs) where the virtual desktop instance is deleted or refreshed upon logoff, the organi...
    Rule Medium Severity
  • SRG-OS-000355-GPOS-00143

    <GroupDescription></GroupDescription>
    Group
  • The Windows 11 time service must synchronize with an appropriate DOD time source.

    &lt;VulnDiscussion&gt;The Windows Time Service controls time synchronization settings. Time synchronization is essential for authentication and aud...
    Rule Low Severity
  • SRG-OS-000329-GPOS-00128

    <GroupDescription></GroupDescription>
    Group
  • Windows 11 account lockout duration must be configured to 15 minutes or greater.

    &lt;VulnDiscussion&gt;The account lockout feature, when enabled, prevents brute-force password attacks on the system. This parameter specifies the ...
    Rule Medium Severity
  • SRG-OS-000021-GPOS-00005

    <GroupDescription></GroupDescription>
    Group
  • The number of allowed bad logon attempts must be configured to three or less.

    &lt;VulnDiscussion&gt;The account lockout feature, when enabled, prevents brute-force password attacks on the system. The higher this value is, the...
    Rule Medium Severity
  • SRG-OS-000021-GPOS-00005

    <GroupDescription></GroupDescription>
    Group
  • The period of time before the bad logon counter is reset must be configured to 15 minutes.

    &lt;VulnDiscussion&gt;The account lockout feature, when enabled, prevents brute-force password attacks on the system. This parameter specifies the ...
    Rule Medium Severity
  • SRG-OS-000077-GPOS-00045

    <GroupDescription></GroupDescription>
    Group
  • The password history must be configured to 24 passwords remembered.

    &lt;VulnDiscussion&gt;A system is more vulnerable to unauthorized access when system users recycle the same password several times without being re...
    Rule Medium Severity
  • SRG-OS-000076-GPOS-00044

    <GroupDescription></GroupDescription>
    Group
  • The maximum password age must be configured to 60 days or less.

    &lt;VulnDiscussion&gt;The longer a password is in use, the greater the opportunity for someone to gain unauthorized knowledge of the passwords. Sch...
    Rule Medium Severity
  • SRG-OS-000075-GPOS-00043

    <GroupDescription></GroupDescription>
    Group
  • The minimum password age must be configured to at least 1 day.

    &lt;VulnDiscussion&gt;Permitting passwords to be changed in immediate succession within the same day allows users to cycle passwords through their ...
    Rule Medium Severity
  • SRG-OS-000078-GPOS-00046

    <GroupDescription></GroupDescription>
    Group
  • Passwords must, at a minimum, be 14 characters.

    &lt;VulnDiscussion&gt;Information systems not protected with strong password schemes (including passwords of minimum length) provide the opportunit...
    Rule Medium Severity

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