Close applications and turn off your monitor when you leave your desk.
Do not leave portable media such as CDs or floppy disks in drives.
Enable a password-protected screen saver.
Turn off your computer when you leave for extended periods.
Never write your passwords on a sticky note nor try to hide them anywhere in your office.
Remove printouts from printers before leaving your office.
Shred sensitive printouts when you are done with them.
Clear cache files on computer and memory on devices like printers regularly.