The CAN bus has become a defacto standard in modern cars. Just about everything electronic in a car these days talks over this bus, which makes it fertile ground for aspiring hackers.

While there are certainly other (perhaps simpler) ways of interfacing with a CAN bus, this one uses off-the-shelf electronics like Arduino-compatible microcontrollers, is permanently installed ...

The architecture offers many advantages in terms of cost and weight savings but also holds potential for new security vulnerabilities, such as in well-established signal-based communication protocols ...