What is File Integrity Monitoring (FIM)?File Integrity Monitoring (FIM) is a security control that…
انتشار: 2026/07/20 13:21 UTC
What is File Integrity Monitoring (FIM)?File Integrity Monitoring (FIM) is a security control that detects unauthorized changes to files, directories, registry keys, configuration files, and other critical system objects.The basic idea is simple:Create a trusted baselineCalculate a cryptographic hash (SHA-256, SHA-512, etc.) of important files.Store metadata such as permissions, owner, timestamps, ACLs, and size.Continuously monitorWatch for changes in real time (using mechanisms like Linux inotify or Windows USN Journal) or perform scheduled scans.Compare with the baselineDetect whether a file has been:ModifiedCreatedDeletedRenamedPermission changedOwnership changedGenerate an alertSend the event to the SIEM for correlation and investigation. t.me/unixmens#yashar_esmaildokht #deops #security #linux #wazuh #siem
