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Copying of user input methods to the system account for sign-in must be prevented.


Overview

Finding ID Version Rule ID IA Controls Severity
WN12-CC-000048 WN12-CC-000048 WN12-CC-000048_rule Medium
Description
Allowing different input methods for sign-in could open different avenues of attack. User input methods must be restricted to those enabled for the system account at sign-in.
STIG Date
Microsoft Windows Server 2012 Domain Controller Security Technical Implementation Guide 2013-07-25

Details

Check Text ( C-WN12-CC-000048_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\Policies\Microsoft\Control Panel\International\

Value Name: BlockUserInputMethodsForSignIn

Type: REG_DWORD
Value: 1
Fix Text (F-WN12-CC-000048_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> System -> Locale Services -> "Disallow copying of user input methods to the system account for sign-in" to "Enabled".