To intercept wireless transmission, probably your first idea would be to use a dedicated sniffer. This makes intercepting of the packets on the Bluetooth link layer easy, and allows for analysis and attacks against these proprietary solutions. They most often invent their own communication protocols instead, on top of unencrypted BLE link. Intercepting BLE transmissionįor various reasons, most BLE devices (including all the smart locks I know) do not implement Bluetooth link layer security - pairing, bonding, encryption. Using the same speaker for a normal unlock notification, thus enforcing you to cover your ears while opening, was not the smartest idea though.Įnough smart for the introduction. Behold The Smart Lock! In case anyone would doubt its smartness, it is literally imprinted.įitted with an enormously loud speaker - advertised as a feature to raise a solid anti-thief alarm.
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