The Smart Card removal option must be configured to Force Logoff or Lock Workstation.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-220924 | SRG-OS-000480-GPOS-00227 | WN10-SO-000095 | SV-220924r991589_rule | 2025-09-24 | 3 |
Description
Unattended systems are susceptible to unauthorized use and must be locked. Configuring a system to lock when a smart card is removed will ensure the system is inaccessible when unattended.
ℹ️ Check
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: SCRemoveOption
Value Type: REG_SZ
Value: 1 (Lock Workstation) or 2 (Force Logoff)
This can be left not configured or set to "No action" on workstations with the following conditions. This must be documented with the ISSO.
-The setting cannot be configured due to mission needs, or because it interferes with applications.
-Policy must be in place that users manually lock workstations when leaving them unattended.
-The screen saver is properly configured to lock as required.
✔️ Fix
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Interactive logon: Smart card removal behavior" to "Lock Workstation" or "Force Logoff".