Title

Windows Server 2019 must prevent the display of slide shows on the lock screen. (Cat II impact)

Discussion

Slide shows 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

Verify the registry value below. If it does not exist or is not configured as specified, this is a finding. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\Windows\Personalization\ Value Name: NoLockScreenSlideshow Value Type: REG_DWORD Value: 0x00000001 (1)

Fix Text

Configure the policy value for Computer Configuration >> Administrative Templates >> Control Panel >> Personalization >> "Prevent enabling lock screen slide show" to "Enabled".

Additional Identifiers

Rule ID: SV-205686r569188_rule

Vulnerability ID: V-205686

Group Title: SRG-OS-000095-GPOS-00049

Expert Comments

CCIs tied to check.

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