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Apple macOS 14 (Sonoma) Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The macOS system must disable logon to other user's active and locked sessions.

    <VulnDiscussion>The ability to log in to another user's active or locked session must be disabled. macOS has a privilege that can be granted...
    Rule Medium Severity
    Show

  • SRG-OS-000104-GPOS-00051

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must disable root logon.

    &lt;VulnDiscussion&gt;To ensure individual accountability and prevent unauthorized access, logging in as root at the login window must be disabled....
    Rule Medium Severity
    Show

  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must configure SSH ServerAliveInterval option set to 900.

    &lt;VulnDiscussion&gt;SSH must be configured with an Active Server Alive Maximum Count set to 900. Setting the Active Server Alive Maximum Count t...
    Rule Medium Severity
    Show

  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must configure SSHD Channel Timeout to 900.

    &lt;VulnDiscussion&gt;If SSHD is enabled it must be configured with session Channel Timeout set to 900. This will set the time out when the sessio...
    Rule Medium Severity
    Show

  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must configure SSHD unused connection timeout to 900.

    &lt;VulnDiscussion&gt;If SSHD is enabled, it must be configured with unused connection timeout set to 900. This will set the timeout when there ar...
    Rule Medium Severity
    Show

  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must set SSH Active Server Alive Maximum to 0.

    &lt;VulnDiscussion&gt;SSH must be configured with an Active Server Alive Maximum Count set to 0. Terminating an idle session within a short time pe...
    Rule Medium Severity
    Show

  • SRG-OS-000279-GPOS-00109

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must enforce auto logout after 86400 seconds of inactivity.

    &lt;VulnDiscussion&gt;Auto logout must be configured to automatically terminate a user session and log out the after 86400 seconds of inactivity. ...
    Rule Medium Severity
    Show

  • SRG-OS-000355-GPOS-00143

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must be configured to use an authorized time server.

    &lt;VulnDiscussion&gt;Approved time servers must be the only servers configured for use. This rule ensures the uniformity of time stamps for infor...
    Rule Medium Severity
    Show

  • SRG-OS-000355-GPOS-00143

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must enable time synchronization daemon.

    &lt;VulnDiscussion&gt;The macOS time synchronization daemon (timed) must be enabled for proper time synchronization to an authorized time server. ...
    Rule Medium Severity
    Show

  • SRG-OS-000004-GPOS-00004

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must be configured to audit all administrative action events.

    &lt;VulnDiscussion&gt;Administrative action events include changes made to the system (e.g., modifying authentication policies). If audit records d...
    Rule Medium Severity
    Show

  • SRG-OS-000032-GPOS-00013

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must be configured to audit all log on and log out events.

    &lt;VulnDiscussion&gt;The audit system must be configured to record all attempts to log in and out of the system (lo). Frequently, an attacker tha...
    Rule Medium Severity
    Show

  • SRG-OS-000037-GPOS-00015

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must enable security auditing.

    &lt;VulnDiscussion&gt;Audit records establish what types of events have occurred, when they occurred, and which users were involved. These records ...
    Rule Medium Severity
    Show

  • SRG-OS-000047-GPOS-00023

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must configure system to shut down upon audit failure.

    &lt;VulnDiscussion&gt;The audit service must be configured to shut down the computer if it is unable to audit system events. Once audit failure oc...
    Rule Medium Severity
    Show

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must configure audit log files to be owned by root.

    &lt;VulnDiscussion&gt;Audit log files must be owned by root. The audit service must be configured to create log files with the correct ownership t...
    Rule Medium Severity
    Show

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must configure audit log folders to be owned by root.

    &lt;VulnDiscussion&gt;Audit log folders must be owned by root. The audit service must be configured to create log folders with the correct ownersh...
    Rule Medium Severity
    Show

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must configure audit log files group to wheel.

    &lt;VulnDiscussion&gt;Audit log files must have the group set to wheel. The audit service must be configured to create log files with the correct ...
    Rule Medium Severity
    Show

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must configure audit failure notification.

    &lt;VulnDiscussion&gt;The audit service must be configured to immediately print messages to the console or email administrator users when an auditi...
    Rule Medium Severity
    Show

  • The macOS system must configure audit log folders group to wheel.

    &lt;VulnDiscussion&gt;Audit log folders must have the group set to wheel. The audit service must be configured to create log files with the correc...
    Rule Medium Severity
    Show

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must configure audit log files to mode 440 or less permissive.

    &lt;VulnDiscussion&gt;The audit service must be configured to create log files that are readable only by the root user and group wheel. To achieve ...
    Rule Medium Severity
    Show

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must configure audit log folders to mode 700 or less permissive.

    &lt;VulnDiscussion&gt;The audit log folder must be configured to mode 700 or less permissive so that only the root user is able to read, write, and...
    Rule Medium Severity
    Show

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must be configured to audit all deletions of object attributes.

    &lt;VulnDiscussion&gt;The audit system must be configured to record enforcement actions of attempts to delete file attributes (fd). ***Enforcement...
    Rule Medium Severity
    Show

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must be configured to audit all changes of object attributes.

    &lt;VulnDiscussion&gt;The audit system must be configured to record enforcement actions of attempts to modify file attributes (fm). Enforcement ac...
    Rule Medium Severity
    Show

  • SRG-OS-000463-GPOS-00207

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must be configured to audit all failed read actions on the system.

    &lt;VulnDiscussion&gt;The audit system must be configured to record enforcement actions of access restrictions, including failed file read (-fr) at...
    Rule Medium Severity
    Show

  • SRG-OS-000463-GPOS-00207

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must be configured to audit all failed write actions on the system.

    &lt;VulnDiscussion&gt;The audit system must be configured to record enforcement actions of access restrictions, including failed file write (-fw) a...
    Rule Medium Severity
    Show

  • SRG-OS-000463-GPOS-00207

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must be configured to audit all failed program execution on the system.

    &lt;VulnDiscussion&gt;The audit system must be configured to record enforcement actions of access restrictions, including failed program execute (-...
    Rule Medium Severity
    Show

  • SRG-OS-000341-GPOS-00132

    <GroupDescription></GroupDescription>
    Group
    Show

  • The macOS system must configure audit retention to seven days.

    &lt;VulnDiscussion&gt;The audit service must be configured to require records be kept for an organizational defined value before deletion, unless t...
    Rule Low Severity
    Show

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