I saw an article somewhere today where they are claiming that it's all a Hoax.
Depends on the motor type I suppose as it's possible to do and I know I did much worse when I did some Penetration Testing of a Critical Facility. Or another time we setup a Virtual Environment of a Computer Controlled Town things like Traffic Lights where computer controlled and they gave us a challenge to break the system.
It took me all of 5 minutes to turn every traffic light green and leave it there. I then when onto the run that Class on Security.
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