Hara-Kiri 

"Hara-Kiri" is a radical way to keep your confidential data away from unauthorized access by "self-destructing" The files that you specify.
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Safer Workstation 

Safer Workstation will turn your removable media device (iPod or thumb drive, for example) into a "key" for your login. Eject the drive from your system, and Safer Workstation will automatically log out the current user.
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