Tool Release – CANBus Protector a (very simple) CANBus IPS system built on two separate pieces of hardware that use one-way communication to get information out of the "trusted" vehicle network.

Continuing in the line of CANBus research and tools release I’d like to announce some quick work on a proof-of-concept CANBus IPS called, unoriginally, the CANBus Protector. I took some time to work on defense of CAN after conducting a lot of vulnerability research in recent weeks.

more here.......http://www.digitalbond.com/blog/2015/03/17/tool-release-canbus-protector/