Title

Services using Local System that use negotiate when reverting to NTLM authentication will use the computer identity vs. authenticating anonymously. (Cat II impact)

Discussion

This setting ensures that services using Local System that use negotiate when reverting to NTLM authentication will use the computer identity vs. authenticating anonymously.

Check Content

Fix Text

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “Network Security: Allow Local System to use computer identity for NTLM” to “Enabled”.

Additional Identifiers

Rule ID: SV-32445r1_rule

Vulnerability ID: V-21951

Group Title: Computer Identity Authentication for NTLM

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.