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APPL-15-002041 The macOS system must disable iCloud Document Sync.

DISA STIG library V1R8
All changes in this version
first version loaded CAT II

Maps to CM-7 via CCI-000381

Title

The macOS system must disable iCloud Document Sync.

Control

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

Discussion

The macOS built-in iCloud document synchronization service must be disabled to prevent organizational data from being synchronized to personal or nonapproved storage. Apple's iCloud service does not provide an organization with enough control over the storage and access of data and, therefore, automated document synchronization must be controlled by an organization-approved service.

Related controls

CCI-000381

Fix

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