Security researchers have found that the smart traffic systems directing the vehicle flow and controlling the lights can be abused by individuals, leading to traffic jams and accidents.
At the DefCon hacker conference in Las Vegas last week, IOActive CTO Cessar Cerrudo presented the audience with a device that allowed him to communicate with the network of traffic sensors.
He has discovered that the sensors are communicating to each other through repeaters and access point devices, without e…
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