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The modern automobile is a network—specifically, a controller area network (CAN)—of computers. Automotive computers manage the engine (e.g., fuel injection), the transmission (e.g., automatic shifting), the vehicle speed (e.g., cruise control), and many, many more systems. Therefore, a vehicle's CAN bus is safety critical; by design, it is robust, reliable, and error tolerant. Unfortunately, it is not secure; it was developed in the 1980s, and, at that time, it was a closed system—no Internet access. The modern automobile is not a closed system, yet the CAN bus remains insecure. Automotive researchers are gravitating toward intrusion detection as one possible solution to the problem of automotive insecurity. To build and evaluate an intrusion detection system (IDS), however, researchers need adequate training and testing data.
Kidmose et al. (Tue,) studied this question.