Anonymous SID/Name translation must not be allowed.

STIG ID: WN11-SO-000140  |  SRG: SRG-OS-000480-GPOS-00227 |  Severity: high |  CCI: CCI-000366 |  Vulnerability Id: V-253452 | 

Vulnerability Discussion

Allowing anonymous SID/Name translation can provide sensitive information for accessing a system. Only authorized users must be able to perform such translations.

Check

Verify the effective setting in Local Group Policy Editor.
Run "gpedit.msc".

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options.

If the value for "Network access: Allow anonymous SID/Name translation" is not set to "Disabled", this is a finding.

Fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network access: Allow anonymous SID/Name translation" to "Disabled".