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

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. ====