Apple iOS/iPadOS 17 must be configured to not display notifications when the device is locked.
An XCCDF Rule
Description
<VulnDiscussion>Many mobile devices display notifications on the lock screen so users can obtain relevant information in a timely manner without having to frequently unlock the phone to determine if there are new notifications. However, in many cases, these notifications can contain sensitive information. When they are available on the lock screen, an adversary can see them merely by being in close physical proximity to the device. Configuring the mobile operating system to not send notifications to the lock screen mitigates this risk. SFR ID: FMT_SMF_EXT.1.1 #18</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-258329r958404_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Install a configuration profile to disable the display of notifications when the device is locked. There are two acceptable methods. The first method is preferred.
Method 1:
Install a configuration profile to disable notifications for each managed app if the device screen is locked. This method is not supported by all MDM servers.
Method 2: