>> > And guess what. Keyboards use a serial protocol. Which means that >> > there will be slightly different voltage drops in the system varying >> > with the keys you press. ZOMG! OpenBSD provides a side channel for >> > attackers through the sensors framework! >> >> And don't forget the aps(4) sensor on Thinkpads! The accelerometer can >> probably measure the acceleration caused by various key strokes and that >> acceleration will be different depending on where on the keyboard you hit >> (different angles) and with which finger (different strength). > > well, and dont' forget the physical attack angle. Between the screen >leakage perhaps being used to detect a large number of pink pixels and >the aps(4) sensor leakage could probably detect the rythmic thumping >when the laptop owner is doing some one handed laptop driving when the >other hand is occupied. An attacker could use this information to then >physically take control of the machine while the operator has both >hands busy and is vulnerable!
Physically AND emotionally vulnerable. That's the worst possible scenario. It's bad enough to be pwn3d, nevermind when your blood pressure is up!
