A modern car has dozens of computers with as much as 100 million lines of code — and for every 1,000 lines there are as many as 15 bugs that are potential doors for would-be hackers.
With vehicles becoming more automated and connected to the internet, to other cars and even roadway infrastructure, the number of potential intrusion points is growing exponentially, according to Navigant Research. [1]
[1] By Lucas Mearian for Computer World