With car connectivity comes a dark side. While you are driving, a hacker could put your life in danger by taking over the car's steering, brakes and transmission from a remote location. Help is at hand from a rising tide of tech companies, including TowerSec. Originally founded in Israel, now headquartered in Michigan and owned by Harman, TowerSec's cyber security solutions protect vehicles from outside intrusion. To find out how, Matthew Beecham spoke to Harman-TowerSec's vice president of automotive cyber security, Saar Dickman.