App notifications on the lock screen must be turned off.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-225350 | WN12-CC-000052 | SV-225350r569185_rule | Medium |
| Description |
|---|
| 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. |
| STIG | Date |
|---|---|
| Microsoft Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide | 2022-03-01 |
Details
| Check Text ( C-27049r471392_chk ) |
|---|
| 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 (F-27037r471393_fix) |
|---|
| Configure the policy value for Computer Configuration -> Administrative Templates -> System -> Logon -> "Turn off app notifications on the lock screen" to "Enabled". |