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Windows 10 must be configured to audit Detailed File Share Failures.


Finding ID Version Rule ID IA Controls Severity
V-220789 WN10-AU-000570 SV-220789r819664_rule Medium
Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, and analyze compromises that have occurred, as well as 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. Audit Detailed File Share allows the auditing of attempts to access files and folders on a shared folder. The Detailed File Share setting logs an event every time a file or folder is accessed, whereas the File Share setting only records one event for any connection established between a client and file share. Detailed File Share audit events include detailed information about the permissions or other criteria used to grant or deny access.
Microsoft Windows 10 Security Technical Implementation Guide 2023-09-29


Check Text ( C-22504r819662_chk )
Security Option "Audit: Force audit policy subcategory settings (Windows Vista or later) to override audit policy category settings" must be set to "Enabled" (WN10-SO-000030) for the detailed auditing subcategories to be effective.

Use the AuditPol tool to review the current Audit Policy configuration:
Open a command prompt with elevated privileges ("Run as Administrator").
Enter "AuditPol /get /category:*".

Compare the AuditPol settings with the following. If the system does not audit the following, this is a finding:

Object Access >> Detailed File Share - Failure
Fix Text (F-22493r819663_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Advanced Audit Policy Configuration >> System Audit Policies >> Object Access >> “Audit Detailed File Share" with "Failure" selected.