Netwrix Auditor for Windows File Servers delivers complete visibility into what’s happening on your Windows file servers, including who tried to modify sensitive files or folders. By regularly reviewing failed file change attempts, IT pros can detect possible attacks and enhance data security by recognizing and revoking excessive permissions to modify sensitive data on their organization’s file servers.
Therefore, it’s essential to detect and investigate unauthorized attempts to modify files in a timely manner. Unauthorized modification of files can lead to business disruption or even the leakage or loss of sensitive data, such as personally identifiable information or medical records. "Subject: Security ID" will show you who tried to change a file. Open Event Viewer → Search the Security Windows Logs for the event ID 4656 with the "Audit Failed" keyword, the "File Server" or "Removable Storage" task category and with "Accesses: READ_CONTROL" and Access Reasons: "WriteData (or AddFile) Not granted" strings.To force the group policy update, go to "Group Policy Management" → Right-click the defined OU → Сlick "Group Policy Update".To link the new GPO to the OU with file servers, go to "Group Policy Management" → Right-click the defined OU → Choose "Link an Existing GPO" → Select the GPO that you’ve created.Retention method for security log to "Overwrite events as needed".Audit Handle Manipulation → Define → Success and Failures.Audit File System → Define → Success and Failures.Go to "Advanced Audit Policy Configuration" → Audit Policies → Object Access:.Audit object access → Define → Success and Failures.Create a new policy → Edit → Computer Configuration → Policies → Windows Settings → Security Settings → Local Policies → Audit Policy:.Run gpedit.msc → Go to the "Edit" menu.Select the following "Advanced Permissions":.
Applies to: "This folder, subfolders and files".Go to the "Security" tab → Click the "Advanced" button → Switch to the "Auditing" tab → Click the "Add" button and define auditing:.Navigate to the required file share → Right-click it and select "Properties".
Windows file properties editor how to#