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Automatic logons must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-1145 | 3.040 | SV-29007r2_rule | ECSC-1 | Medium |
| Description |
|---|
| Allowing a system to automatically log on when the machine is booted could give access to any unauthorized individual who restarts the computer. Automatic logon with administrator privileges would give full access to an unauthorized individual. |
| STIG | Date |
|---|---|
| Windows 2008 Domain Controller Security Technical Implementation Guide | 2015-06-03 |
Details
| Check Text ( C-45834r1_chk ) |
|---|
| 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 "MSS: (AutoAdminLogon) Enable Automatic Logon (not recommended)" is not set to "Disabled", this is a finding. The policy referenced configures the following registry value: Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Microsoft\Windows NT\CurrentVersion\Winlogon\ Value Name: AutoAdminLogon Type: REG_SZ Value: 0 |
| Fix Text (F-43225r1_fix) |
|---|
| Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "MSS: (AutoAdminLogon) Enable Automatic Logon (not recommended)" to "Disabled". Ensure no passwords are stored in the "DefaultPassword" registry value noted below. Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Microsoft\Windows NT\CurrentVersion\Winlogon\ Value Name: DefaultPassword |