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

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-259449APPL-14-000160SV-259449r958636_ruleCCI-002361medium
Description
Auto logout must be configured to automatically terminate a user session and log out the 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. ====
STIGDate
Apple macOS 14 (Sonoma) Security Technical Implementation Guide2024-12-04

Details

Check Text (C-259449r958636_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-63096r940968_fix)

Configure the macOS system to enforce auto logout after 86400 seconds of inactivity by installing the "com.apple.GlobalPreferences" configuration profile.