The convenience PIN for Windows 10 must be disabled.

STIG ID: WN10-CC-000370 |  SRG: SRG-OS-000095-GPOS-00049 |  Severity: medium |  CCI:  | Vulnerability Id: V-220870

Vulnerability Discussion

This policy controls whether a domain user can sign in using a convenience PIN to prevent enabling (Password Stuffer).

Check

Disable the convenience PIN sign-in.

If this needs to be corrected configure the policy value for Computer Configuration >> Administrative Templates >> System >> Logon >> Set "Turn on convenience PIN sign-in" to "Disabled”.

Fix

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