The convenience PIN for Windows 10 must be disabled.

STIG ID: WN10-CC-000370  |  SRG: SRG-OS-000095-GPOS-00049 |  Severity: medium |  CCI: CCI-000381 |  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

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.

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”.
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