You Kids Get Those Drones out of my Airspace!
The PacTec Security Conference in Tokyo had something interesting show up. A countermeasure against drones that allows you to take control of any craft using the popular DSMx protocol. According to Ars Technica, DSMx transmitters and receivers exchange a key to prevent interference between adjacent systems. The key isn’t protected very well so by observing traffic and applying a little brute force, you can recover the key (which is set when the transmitter binds to the aircraft).
What’s more is a timing vulnerability allows the rogue transmitter to lock out the legitimate one. You can see a demonstration of the …read more
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