Droning on and on

No, this is not about one of my lectures.  A drone is an unmanned aircraft.  They are mainly used for military purposes, but I suspect we will see more civilian uses as time goes by. A drone knows where it is by receiving GPS signals.  This week, people (experts at the University of Texas) have “spoofed” a drone by sending it fake GPS signals. Then you can force the drone to think it is somewhere else, and therefore you can control it:

Drone Article at BBC

This drone receives GPS signals that are not encrypted.  Apparently civilian aircraft also receive unencrypted GPS signals, which I find slightly worrying. Military drones would use encrypted signals, so they are harder to spoof. If you can break the encryption, you can spoof those too. I wonder what kind of encryption they use.

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