Security experts have warned for months that smart cars are vulnerable to hackers, and now a pair of researchers has revealed the specific vehicles that are at the greatest risk.
Chris Valasek and Charlie Miller studied the schematics for a range of cars from the 2006 Range Rover Sport to this year's BMW 3 Series.
The 2014 Jeep Cherokee and 2015 Cadillac Escalade were the most vulnerable of the cars studied, while the 2006 Ford Fusion and 2010 Range Rover Sport were listed as two of the most secure.
Mr Miller is a security engineer at Twitter, and Mr Valasek is director of Security Intelligence at IOActive.
Other cars that performed poorly in their tests were the 2010 and 2014 Toyota Prius, as well as the 2014 Infiniti Q50.
The report has been shared with the Department of Transportation and industry group, the Society of Automobile Engineers.
Each car was rated under three categories � attack surface, network architecture and cyber physical.
A car�s wireless �attack surface� includes the range of features that can be hacked, including Bluetooth, Wi-Fi, mobile network connections, key fobs, and tyre pressure monitoring systems.
The network architecture includes how much access these features give to a vehicle�s critical systems, such as the horn, the steering and brakes.
Cyber physical relates to capabilities such as automated braking and parking sensors that can be controlled using wireless commands.
�Automotive security concerns have gone from the fringe to the mainstream with security researchers showing the susceptibility of the modern vehicle to local and remote attacks,� said Mr Valasek and Mr Miller.
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