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Apple macOS 12 (Monterey) Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The macOS system must be configured so that log folders must not contain access control lists (ACLs).

    The audit service must be configured to create log folders with the correct permissions to prevent normal users from reading audit logs. Audit logs contain sensitive data about the system and users...
    Rule Medium Severity
  • The macOS system must be configured with the SSH daemon ClientAliveInterval option set to 900 or less.

    Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a communication session. In addition, quickly terminating an i...
    Rule Medium Severity
  • The macOS system must be configured with the SSH daemon LoginGraceTime set to 30 or less.

    SSH should be configured to log users out after a 15-minute interval of inactivity and to wait only 30 seconds before timing out logon attempts. Terminating an idle session within a short time peri...
    Rule Medium Severity
  • The macOS system must generate audit records for all account creations, modifications, disabling, and termination events; privileged activities or other system-level access; all kernel module load, unload, and restart actions; all program initiations; and organizationally defined events for all non-local maintenance and diagnostic sessions.

    Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an in...
    Rule Medium Severity
  • The macOS system must monitor remote access methods and generate audit records when successful/unsuccessful attempts to access/modify privileges occur.

    Frequently, an attacker that successfully gains access to a system has only gained access to an account with limited privileges, such as a guest account or a service account. The attacker must atte...
    Rule Medium Severity

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