The way you type is as unique as your eye color or speech patterns and can be used instead of a password to protect your computer, researchers at Louisiana Tech and Penn State say.

Their discovery will bring Louisiana Tech its first direct royalty income, university president Daniel D. Reneau said in signing a joint licensing agreement with BioPassword Inc. of Issaquah, Wash.

[ It seems to me that this has some serious problems, the first being it is easy to record, and a device can be made to play back keystrokes with correct timing.

Of course, you could argue that passwords can be stolen, but the difference is users know passwords should be kept secret. They don't know that they now need to type in secret, or be very careful about where they type. ]

Researchers: Typing Style Can Be Password