Apple iOS/iPadOS 16 must be configured to lock the display after 15 minutes (or less) of inactivity.
An XCCDF Rule
Description
<VulnDiscussion>The screen lock timeout must be set to a value that helps protect the device from unauthorized access. Having a too-long timeout would increase the window of opportunity for adversaries who gain physical access to the mobile device through loss, theft, etc. Such devices are much more likely to be in an unlocked state when acquired by an adversary, thus granting immediate access to the data on the mobile device. The maximum timeout period of 15 minutes has been selected to balance functionality and security; shorter timeout periods may be appropriate depending on the risks posed to the mobile device. SFR ID: FMT_SMF_EXT.1.1 #2b</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-257110r904230_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
For User Enrollment, this is a User-Based Enforcement (UBE) control. The device user must configure setting on their personal phone.
1. Open "Settings".
2. Tap "Display & Brightness".
3. Tap "Auto-Lock".
4. Set "Auto-Lock" to "5 minutes" or less.