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system_settings_security_update_install Enforce Automatic Installs of Available Security Updates using DDM.

NIST macOS Security Compliance Project Tahoe Guidance, Revision 3.0 (cf656e8)
All changes in this version
first version loaded System Settings

Title

Enforce Automatic Installs of Available Security Updates using DDM.

Control

/usr/bin/plutil -convert json /var/db/softwareupdate/SoftwareUpdateDDMStatePersistence.plist -o - | /usr/bin/jq --raw-output .'SUCorePersistedStatePolicyFields.SUCoreDDMDeclarationGlobalSettings.automaticallyInstallSystemAndSecurityUpdates'

Discussion

Ensure that available security updates and Background Security Improvements are installed as soon as they are available from Apple and that the user cannot modify the setting within System Settings.

Related controls

si-2

Fix

This is implemented by Declarative Device Management (DDM).