Researchers were able to remotely cut the brakes, stop the engine, and lock out the driver on a typical, new-model networked vehicle. The researchers successfully breached two test cars that were “representative of the computer network control systems that have proliferated in most cars today” The team was able to “insert malicious software and then erase any evidence of tampering after a crash,” so your insurance company won’t even believe you when you’re blaming your damage on the hackers. As one team member said, “We found ourselves thinking we should try to get in front of this before it suddenly becomes an issue””]
Source: https://gizmodo.com/now-cars-are-vulnerable-to-hackers-too-5539193

