The macOS built-in Safari.app bookmark synchronization via the 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 bookmark synchronization must be controlled by an organization approved service. Audit: Verify the macOS system is configured to disable iCloud Bookmarks with the following command: /usr/bin/osascript -l JavaScript << EOS $.NSUserDefaults.alloc.initWithSuiteName('com.apple.applicationaccess')\ .objectForKey('allowCloudBookmarks').js EOS If the result is not "false", this is a finding. Remediation: Configure the macOS system to disable iCloud Keychain synchronization by installing the "com.apple.applicationaccess" configuration profile with 'allowCloudBookmarks' key set to false

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Configure the macOS system to disable iCloud Keychain synchronization by installing the "com.apple.applicationaccess" configuration profile with 'allowCloudBookmarks' key set to false