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Apple macOS 15 (Sequoia) Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000021-GPOS-00005

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must limit consecutive failed login attempts to three.

    &lt;VulnDiscussion&gt;The macOS must be configured to limit the number of failed login attempts to a maximum of three. When the maximum number of f...
    Rule Medium Severity
  • SRG-OS-000023-GPOS-00006

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must display a policy banner at remote login.

    &lt;VulnDiscussion&gt;Remote login service must be configured to display a policy banner at login. Displaying a standardized and approved use noti...
    Rule Medium Severity
  • SRG-OS-000023-GPOS-00006

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must display the Standard Mandatory DOD Notice and Consent Banner at the login window.

    &lt;VulnDiscussion&gt;Displaying a standardized and approved use notification before granting access to the operating system ensures that users are...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must configure audit log files to not contain access control lists (ACLs).

    &lt;VulnDiscussion&gt;The audit log files must not contain ACLs. This rule ensures that audit information and audit files are configured to be rea...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must configure the audit log folder to not contain access control lists (ACLs).

    &lt;VulnDiscussion&gt;The audit log folder must not contain ACLs. Audit logs contain sensitive data about the system and users. This rule ensures ...
    Rule Medium Severity
  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must disable FileVault automatic login.

    &lt;VulnDiscussion&gt;If FileVault is enabled, automatic login must be disabled so that both FileVault and login window authentication are required...
    Rule Medium Severity
  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
  • SRG-OS-000021-GPOS-00005

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must configure SSHD ClientAliveInterval to 900.

    &lt;VulnDiscussion&gt;If SSHD is enabled, it must be configured with the Client Alive Interval set to 900. This sets a timeout interval in seconds...
    Rule Medium Severity
  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must configure SSHD ClientAliveCountMax to 1.

    &lt;VulnDiscussion&gt;If SSHD is enabled, it must be configured with the Client Alive Maximum Count set to 1. This will set the number of client a...
    Rule Medium Severity
  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
  • The macOS system must set login grace time to 30.

    &lt;VulnDiscussion&gt;If SSHD is enabled, it must be configured to wait only 30 seconds before timing out login attempts. NOTE: /etc/ssh/sshd_conf...
    Rule Medium Severity
  • SRG-OS-000033-GPOS-00014

    <GroupDescription></GroupDescription>
    Group

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