Vulnerability Discussion

Failure to display the logon banner prior to a logon attempt will negate legal proceedings resulting from unauthorized access to system resources.

Satisfies: SRG-OS-000023-GPOS-00006, SRG-OS-000228-GPOS-00088

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\Microsoft\Windows\CurrentVersion\Policies\System\

Value Name: LegalNoticeCaption

Value Type: REG_SZ
Value: Refer to message title options below

"DoD Notice and Consent Banner", "US Department of Defense Warning Statement", or an organization-defined equivalent.

If an organization-defined title is used, it can in no case contravene or modify the language of the banner text required in WN19-SO-000130.

Automated tools may only search for the titles defined above. If an organization-defined title is used, a manual review will be required.

Fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Interactive Logon: Message title for users attempting to log on" to "DoD Notice and Consent Banner", "US Department of Defense Warning Statement", or an organization-defined equivalent.

If an organization-defined title is used, it can in no case contravene or modify the language of the message text required in WN19-SO-000130.