DISA STIGS Viewer

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

Overview

Finding ID Version Rule ID IA Controls Severity
V-268448 APPL-15-000160 SV-268448r1034284_rule   Medium
Description
Auto logout must be configured to automatically terminate a user session and log out after 86400 seconds of inactivity. NOTE: The maximum that macOS can be configured for autologoff is 86400 seconds. [IMPORTANT] ==== The automatic logout may cause disruptions to an organization's workflow and/or loss of data. Information system security officers (ISSOs) are advised to first fully weigh the potential risks posed to their organization before opting to disable the automatic logout setting. ====
STIG Date
Apple macOS 15 (Sequoia) Security Technical Implementation Guide 2025-05-05

Details

Check Text (C-72478r1034282_chk)
Verify the macOS system is configured to enforce auto logout after 86400 seconds of inactivity with the following command:

/usr/bin/osascript -l JavaScript << EOS
$.NSUserDefaults.alloc.initWithSuiteName('.GlobalPreferences')\
.objectForKey('com.apple.autologout.AutoLogOutDelay').js
EOS

If the result is not "86400", this is a finding.
Fix Text (F-72379r1034283_fix)
Configure the macOS system to enforce auto logout after 86400 seconds of inactivity by installing the "com.apple.GlobalPreferences" configuration profile.