Title

App notifications on the lock screen must be turned off. (Cat II impact)

Discussion

App notifications that are displayed on the lock screen could display sensitive information to unauthorized personnel. Turning off this feature will limit access to the information to a logged on user.

Check Content

If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Microsoft\Windows\System\ Value Name: DisableLockScreenAppNotifications Type: REG_DWORD Value: 1

Fix Text

Configure the policy value for Computer Configuration -> Administrative Templates -> System -> Logon -> "Turn off app notifications on the lock screen" to "Enabled".

Additional Identifiers

Rule ID:

Vulnerability ID: V-36687

Group Title:

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.