Chris Roberts, who's claims to fame include taking over the thrust control of an airplane via the in flight entertainment system, spoke at length about the lack of security on less expensive vehicles.  With the electronics of cars and trucks becoming more and more complex and interactive, new threats are appearing almost daily and almost nothing is being done about it.  Car manufacturers will need to set up a method to update the software running on their vehicles, especially considering the fact that current laws make it illegal for owners to install patches on their own. 

The terrifying part is that he told The Register that the automobile industry is far ahead of all other transportation industries; apart from Tesla, the last newsworthy software update involved fudged emissions, not security enhancements.

"I put a network sniffer on the big truck to see what it was sharing. Holy crap! The GPS, the telemetry, the tracking. There's a lot of data this thing is sharing."

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