DISA STIGS Viewer

The macOS system must disable iCloud Address Book.

Overview

Finding ID Version Rule ID IA Controls Severity
V-268489 APPL-15-002014 SV-268489r1034407_rule   Medium
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.
STIG Date
Apple macOS 15 (Sequoia) Security Technical Implementation Guide 2025-05-05

Details

Check Text (C-72519r1034405_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').js
EOS

If the result is not "false", this is a finding.
Fix Text (F-72420r1034406_fix)
Configure the macOS system to disable iCloud Address Book by installing the "com.apple.applicationaccess" configuration profile.