"The attack surface for modern automobiles is growing swiftly as more sophisticated services and communications features are incorporated into vehicles
. "In the United States, the federally-mandated On-Board Diagnostics port, under the dash in virtually all modern vehicles, provides direct and standard access to internal automotive networks. User-upgradable subsystems such as audio players are routinely attached to these same internal networks, as are a variety of short-range wireless devices (Bluetooth, wireless tire pressure sensors, etc.)."
Security experts tell CNET that car hacking is starting to move from the realm of the theoretical to reality, thanks to new wireless technologies and evermore dependence on computers to make cars safer, more energy efficient, and modern.