The machine inactivity limit must be set to 15 minutes, locking the system with the screensaver.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-253444WN11-SO-000070SV-253444r958636_ruleCCI-001133medium
Description
Unattended systems are susceptible to unauthorized use and must be locked when unattended. The screen saver must be set at a maximum of 15 minutes and be password protected. This protects critical and sensitive data from exposure to unauthorized personnel with physical access to the computer. Satisfies: SRG-OS-000279-GPOS-00109, SRG-OS-000163-GPOS-00072
STIGDate
Microsoft Windows 11 Security Technical Implementation Guide2025-05-15

Related Frameworks

3 paths across 3 frameworks
NIST 800-531 mapping
SC-10
1.00
  • DISA · 2 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1711 mapping
3.13.9
1.00
  • DISA · 2 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
  • NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-001133
1.00
  • DISA · 2 · disa_xccdf · related

Details

Check Text (C-253444r958636_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\Microsoft\Windows\CurrentVersion\Policies\System\ Value Name: InactivityTimeoutSecs Value Type: REG_DWORD Value: 0x00000384 (900) (or less, excluding "0" which is effectively disabled)

Fix Text (F-56847r829415_fix)

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Interactive logon: Machine inactivity limit" to "900" seconds" or less, excluding "0" which is effectively disabled.