Overview of Change Control McAfee® Change Control allows you to monitor and prevent changes to the file system, registry, and user accounts. 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 perform these actions. 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. Key features of Change ControlChange Control software can block change activities in server environments to prevent security breaches, data loss, and to lower the impact of outages.