The system will be configured to prevent the display of the last user name on the logon screen.

From Windows Server 2008 R2 Domain Controller Security Technical Implementation Guide

Part of Display of Last User Name

Associated with: CCI-000366

SV-32371r1_rule The system will be configured to prevent the display of the last user name on the logon screen.

Vulnerability discussion

The user name of the last user to log onto a system will not be displayed. This eliminates half of the Userid/Password equation that an unauthorized person would need to log on.

Check content

Analyze the system using the Security Configuration and Analysis snap-in. Expand the Security Configuration and Analysis tree view. Navigate to Local Policies -> Security Options. If the value for “Interactive logon: Do not display last user name” is not set to “Enabled”, then this is a finding. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Microsoft\Windows\CurrentVersion\Policies\System\ Value Name: DontDisplayLastUserName Value Type: REG_DWORD Value: 1

Fix text

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “Interactive logon: Do not display last user name” to “Enabled”.

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