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system_settings_macos_updates_install_enforce Enforce macOS Updates are Automatically Installed 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 macOS Updates are Automatically Installed using DDM.

Control

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

Discussion

Software Update _MUST_ be configured to enforce automatic installation of macOS updates and that the user cannot modify the setting within System Settings.

Fix

This is implemented by Declarative Device Management (DDM).