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The system must be configured to prevent the display of the last username on the logon screen.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-226285 | WN12-SO-000018 | SV-226285r569184_rule | Low |
| Description |
|---|
| Displaying the username of the last logged on user provides half of the userid/password equation that an unauthorized person would need to gain access. The username of the last user to log on to a system must not be displayed. |
| STIG | Date |
|---|---|
| Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide | 2020-10-15 |
Details
| Check Text ( C-27987r476699_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\Microsoft\Windows\CurrentVersion\Policies\System\ Value Name: DontDisplayLastUserName Value Type: REG_DWORD Value: 1 |
| Fix Text (F-27975r476700_fix) |
|---|
| 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". |