Gee, it sounds like something out of one of those 1970s TV shows about government spies, but it’s reality: Plug this little thing into a wall socket and it records the keystrokes of a person nearby typing into a Microsoft wireless keyboard. The little gadget sends the information back to the gadget’s owner over the Internet.
The device looks like a USB wall charger, and this “KeySweeper” can be created with instructions from Samy Kamkar, a hardware hacker and security researcher who developed the
