Lock the Bad Guys out of your USB ports with MyUSBOnly; Block Untrusted USB Memory Stick Activity in Office. Prevent data theft by blocking all but your trusted USB storage devices. Stop your files from walking away on thumb drives, mp3 players, flash cards and portable USB hard drives. Secretly log all USB connect, disconnect and files/folders copied, modified, deleted activity. Version 1.9 secretly logs all USB connects, disconnects, and files/folders copied, modified, deleted activity.