STIGQter: STIG Summary: Microsoft Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide Version: 3 Release: 2 Benchmark Date: 04 May 2021:

The system must be configured to have password protection take effect within a limited time frame when the screen saver becomes active.

DISA Rule

SV-225487r569185_rule

Vulnerability Number

V-225487

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

WN12-SO-000046

Severity

CAT III

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "MSS: (ScreenSaverGracePeriod) The time in seconds before the screen saver grace period expires (0 recommended)" to "5" or less.

(See "Updating the Windows Security Options File" in the STIG Overview document if MSS settings are not visible in the system's policy tools.)

Check Contents

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\Microsoft\Windows NT\CurrentVersion\Winlogon\

Value Name: ScreenSaverGracePeriod

Value Type: REG_SZ
Value: 5 (or less)

Vulnerability Number

V-225487

Documentable

False

Rule Version

WN12-SO-000046

Severity Override Guidance

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\Microsoft\Windows NT\CurrentVersion\Winlogon\

Value Name: ScreenSaverGracePeriod

Value Type: REG_SZ
Value: 5 (or less)

Check Content Reference

M

Target Key

4214

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