Jumping Air Gaps with Blinking Lights and Drones
Researchers have demonstrated how a malicious piece of software in an air-gapped computer can communicate with a nearby drone using a blinking LED on the computer.
I have mixed feelings about research like this. On the one hand, it’s pretty cool. On the other hand, there’s not really anything new or novel, and it’s kind of a movie-plot threat.
EDITED TO ADD (3/7): Here’s a 2002 paper on this idea.
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