Locking More Than the Doors as Cars Become Computers on Wheels

"I worked with G.M. to resolve that issue," he said, and that particular vulnerability is gone. "Cars are getting more secure, but it's a long cycle to get the necessary new software and hardware installed." Dan Flores, a G.M. cybersecurity and safety spokesman, confirmed the collaboration with Mr. Kamkar. "We recognize the importance of the work that researchers, like Samy, do to help advance the work in this area," he said in an email. Securing cars is a big challenge, which is why some companies that traditionally prefer to go it alone have teamed up to share best practices.