A screen saver must be enabled on the system.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-226359	WN12-UC-000001	SV-226359r794620_rule		Medium

Description
Unattended systems are susceptible to unauthorized use and must be locked when unattended. Enabling a password-protected screen saver to engage after a specified period of time helps protects critical and sensitive data from exposure to unauthorized personnel with physical access to the computer.

STIG	Date
Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide	2022-03-01

Details

Check Text ( C-28061r476921_chk )
If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_CURRENT_USER Registry Path: \Software\Policies\Microsoft\Windows\Control Panel\Desktop\ Value Name: ScreenSaveActive Type: REG_SZ Value: 1 Applications requiring continuous, real-time screen display (e.g., network management products) require the following and must be documented with the ISSO: -The logon session does not have administrator rights. -The display station (e.g., keyboard, monitor, etc.) is located in a controlled access area.

Check Text ( C-28061r476921_chk )

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_CURRENT_USER
Registry Path: \Software\Policies\Microsoft\Windows\Control Panel\Desktop\

Value Name: ScreenSaveActive

Type: REG_SZ
Value: 1

Applications requiring continuous, real-time screen display (e.g., network management products) require the following and must be documented with the ISSO:

-The logon session does not have administrator rights.
-The display station (e.g., keyboard, monitor, etc.) is located in a controlled access area.

Fix Text (F-28049r476922_fix)
Configure the policy value for User Configuration -> Administrative Templates -> Control Panel -> Personalization -> "Enable screen saver" to "Enabled".