The convenience PIN for Windows 11 must be disabled.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-253423SRG-OS-000095-GPOS-00049WN11-CC-000370SV-253423r958478_rule2025-02-252
Description
This policy controls whether a domain user can sign in using a convenience PIN to prevent enabling (Password Stuffer).
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\Policies\Microsoft\Windows\System Value Name: AllowDomainPINLogon Value Type: REG_DWORD Value data: 0
✔️ Fix
Disable the convenience PIN sign-in. To correct this, configure the policy value for Computer Configuration >> Administrative Templates >> System >> Logon >> Set "Turn on convenience PIN sign-in" to "Disabled".