STIG V-268489 | The macOS system must disable iCloud ...

macOS 15 - Sequoia

The macOS system must disable iCloud Address Book

STIG ID: APPL-15-002014 | SRG: SRG-OS-000095-GPOS-00049 | Severity: Medium | CCI: CCI-000381 | Vulnerability ID: V-268489

Description

The macOS built-in Contacts.app connection to Apple's iCloud service must be disabled.Apple's iCloud service does not provide an organization with enough control over the storage and access of data, and, therefore, automated contact synchronization must be controlled by an organization-approved service.

Check

C-268489r1034407_chk

Verify the macOS system is configured to disable iCloud Address Book with the following command:/usr/bin/osascript -l JavaScript << EOS$.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess')\.objectForKey('allowCloudAddressBook').jsEOSIf the result is not "false", this is a finding.

Fix

F-72420r1034406_fix

Configure the macOS system to disable iCloud Address Book by installing the "com.apple.applicationaccess" configuration profile.