37 percent of U.S. motorists are concerned about the cyber security and safety of connected and automated vehicles. One in ten consumers reported a hacking incident or other cyber attack had affected their vehicle. 46 percent of consumers were very concerned a hacker might communicate with them over their car audio system, perhaps to coerce them or demand a ransom payment. 51 percent don’t know what personal information is stored in their vehicle’s entertainment system, according to HSB. The most common technologies installed in vehicles included Bluetooth (53 percent), navigation systems (42 percent) and vehicle safety sensors.
Source: https://www.helpnetsecurity.com/2021/04/16/cybersecurity-connected-vehicles/