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Defcon powersports1/8/2023 ![]() ![]() Most remote garage door openers operate on the same principle.īut there's a catch: Most automakers don't set an expiration date for the previously-used codes. This is meant to prevent bad guys from copying the remote's code to create a dummy remote. Most remotes use rolling codes to communicate with the car-meaning that the remote sends a different coded signal every time you push the button. Now, he's showing off something even more sinister: A $30 device that can copy the coded signal from just about any car's remote key fob, allowing him to lock or unlock the car at whim.Īs TechInsider reports, Kamkar's latest toy takes advantage of a rather old vulnerability in car keyless entry systems. ![]() Last week, he revealed a homebuilt device that can intercept signals from the OnStar smartphone app to track, unlock, and remote-start a car connected to the app. Digital security research Samy Kamkar has been on a car-hacking kick lately.
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