Researchers Roel Verdult and Baris Ege, revealed that popular cars, including Ferrari and Porsche, which use Megamos Crypto transponders can be easily stolen. Audi, Ferrari, Fiat, Cadillac, Volkswagen are just a few names automakers include in a list or two dozen companies that adopt the flawed components. Hackers can exploit the vulnerabilities to start the cars without needing to use the key, a great news for car thieves. The researchers tried to present their study at the 22nd USENIX Security Symposium in 2013, but they were prevented from doing so by Volkswagen.”]
Source: http://securityaffairs.co/wordpress/39453/hacking/crack-car-transponder.html