Active KillDisk is a quality security application that destroys data permanently from anycomputer that can be started from floppy CD USB. Active KillDisk Professional conforms to US Department of Defense clearing and sanitizing standard DoD 5220.22-M. New Wipe function that wipes out all unused space on existing drives, not touching existing data. You can be sure that once you wipe a disk with Active KillDisk, sensitive information is destroyed forever.