Check: AIOS-12-010800
Apple iOS 12 STIG:
AIOS-12-010800
(in versions v2 r1 through v1 r1)
Title
Apple iOS must implement the management setting: Encrypt iTunes backups. (Cat II impact)
Discussion
When syncing an Apple iOS device to a computer running iTunes, iTunes will prompt the user to back up the Apple iOS device. If the performed backup is not encrypted, this could lead to the unauthorized disclosure of DoD-sensitive information if non-DoD personnel are able to access that machine. By forcing the backup to be encrypted, this greatly mitigates the risk of compromising sensitive data. iTunes 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
Check Content
Review configuration settings to confirm "Force encrypted backups" is enabled. This check procedure is performed on both the Apple iOS management tool and the Apple iOS device. 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 management tool, verify "Force encrypted backups" is checked. Alternatively, verify the text "<key>forceEncryptedBackup</key><true/>" appears in the configuration profile (.mobileconfig file). On the Apple iOS device: 1. Open the Settings app. 2. Tap "General". 3. Tap "Profiles & Device Management". 4. Tap the Configuration Profile from the Apple iOS management tool containing the restrictions policy. 5. Tap "Restrictions". 6. Verify "Encrypted backups enforced" is listed. If "Force encrypted backups" is unchecked in the Apple iOS management tool, or "<key>forceEncryptedBackup</key><false/>" appears in the configuration profile, or the restrictions policy on the Apple iOS device from the Apple iOS management tool does not list "Encrypted backups enforced", this is a finding.
Fix Text
Install a configuration profile to force encrypted backups to iTunes.
Additional Identifiers
Rule ID: SV-96527r1_rule
Vulnerability ID: V-81813
Group Title: PP-MDF-991000
Expert Comments
CCIs
| Number | Definition |
|---|---|
| CCI-000366 |
The organization implements the security configuration settings. |
| CCI-000370 |
The organization employs automated mechanisms to centrally manage configuration settings for organization-defined information system components. |
| CCI-000381 |
The organization configures the information system to provide only essential capabilities. |