Auto lock your PC using body heat

Now here’s a novel method of making sure your PC remains locked and secure (software-wise, and only for academic purposes) whenever you aren’t near your machine – using a built-in IR temperature sensor to do the job. Of course, it doesn’t take too much effort to press Ctrl+Alt+Del simultaneously followed by choosing the Lock option, but why do that when you can go against the grain? That’s what Didier Stevens did by writing an app which works in tandem with the aforementioned IR temp sensor, where you can configure the temperature settings which will lock the PC automatically. While the software is free, you will need to fork out $90 for the sensor. Just remember to set a password to your user account, otherwise all of this effort would be in vain. Check out a video of it in action in the extended post.