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Apple iOS/iPadOS 17 must implement the management setting: Encrypt backups/Encrypt local backup.


Finding ID Version Rule ID IA Controls Severity
V-258341 AIOS-17-010700 SV-258341r927706_rule Medium
If iCloud backups are not encrypted, this could lead to the unauthorized disclosure of DOD sensitive information if non-DOD personnel are able to access that machine. Forcing the backup to be encrypted greatly mitigates the risk of compromising sensitive data. Work data iCloud backup and USB connections to computers are not authorized, but this control provides defense-in-depth for cases in which a user violates policy either intentionally or inadvertently. SFR ID: FMT_SMF_EXT.1.1 #47
Apple iOS/iPadOS 17 Security Technical Implementation Guide 2023-10-10


Check Text ( C-62082r927704_chk )
Review configuration settings to confirm "Force encrypted backups" is enabled.

This check procedure is performed on both the Apple iOS/iPadOS management tool and the iPhone and iPad.

Note: If an organization has multiple configuration profiles, the check procedure must be performed on the relevant configuration profiles applicable to the scope of the review.

In the Apple iOS/iPadOS management tool, verify "Encrypt local backup" is checked.

Alternatively, verify the text "forceEncryptedBackup" appears in the configuration profile (.mobileconfig file).

On the iPhone and iPad:
1. Open the Settings app.
2. Tap "General".
3. Tap "VPN & Device Management".
4. Tap the Configuration Profile from the Apple iOS/iPadOS management tool containing the restrictions policy.
5. Tap "Restrictions".
6. Verify "Encrypt backups enforced" is listed.

If "Encrypt local backup" is unchecked in the Apple iOS/iPadOS management tool, "forceEncryptedBackup" appears in the configuration profile, or the restrictions policy on the iPhone and iPad does not list "Encrypt backups enforced", this is a finding.
Fix Text (F-62006r927705_fix)
Install a configuration profile to force encrypted backups to iCloud.