Windows Server 2025 must be configured to audit file system successes.

STIG ID: WN25-AU-000582  |  SRG: SRG-OS-000062-GPOS-00031 |  Severity: medium (CAT II)  |  CCI: CCI-000172 |  Vulnerability Id: V-279917

Vulnerability Discussion

Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, analyze compromises that have occurred, and detect attacks. Audit logs are necessary to provide a trail of evidence in case the system or network is compromised. Collecting this data is essential for analyzing the security of information assets and detecting signs of suspicious and unexpected behavior. Credential validation records events related to validation tests on credentials for a user account logon.

Check

Verify Audit File System auditing is enabled:

Computer Configuration >> Windows Settings >> Security Settings >> Advanced Audit Policy Configuration >> System Audit Policies >> Object Access >> Audit File System.

If "Audit File System" is not set to "Success", this is a finding.

Fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Advanced Audit Policy Configuration >> System Audit Policies >> Object Access >> "Audit File System" with "Success" selected.