Acronym for File Integrity Monitoring—detecting unauthorised changes to critical files.
FIM stands for File Integrity Monitoring. See 'File Integrity Monitoring' for the full definition. FIM capabilities are often included in EDR, SIEM, and dedicated server security solutions.
Why It Matters
The DSC Perspective:
FIM is a specific compliance requirement for PCI DSS and a recommended control in most frameworks. When asked about change detection or file integrity, FIM is the answer.