A few weeks ago, a small team of security researchers gathered near a car outside one of their company's buildings. Then they hacked It. The team did not need to physically connect to the vehicle or even enter it - they simply jacked in over Wi-Fi. When they did, they soon found an unexpected vulnerability. "There was a route through to the vehicle network where the more sensitive, safety critical systems are," explains Andy Davis of NCC Group, an information security specialist based in Manchester, UK. He says his team could have used this breach to fiddle with the car's automatic braking.
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