0x2A (548071) writes BMW recently fixed a security hole in their ConnectedDrive software, which left 2.2 million cars open to remote attacks. Security expert Dieter Spaar reverse engineered the system and found some serious flaws [note: if you'd prefer English to German, try this translation], including using the same symmetric keys in all vehicles, not encrypting messages between the car and the BMW backend or using the outdated DES.
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