Overview McAfee® Change Control monitors and prevents changes to the file system , registry, and user accounts on your endpoints. You can write-protect and read-protect critical files from unauthorized tampering. You can also define trusted programs or users to allow updates to protected files and registry keys. A change is allowed only if it's applied according to the software policies. With Change Control, you can: Detect, track, and validate changes in real time. Gain visibility into these changes. Eliminate changes using protection rules. Enforce approved change policies and compliance. Provide efficient policy enforcement to block unwanted changes.