The machine inactivity limit must be set to 15 minutes, locking the system with the screensaver.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-253444 | WN11-SO-000070 | SV-253444r958636_rule | CCI-001133 | medium |
| 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 | ||||
| STIG | Date | |||
| Microsoft Windows 11 Security Technical Implementation Guide | 2025-05-15 | |||
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.