Academic researchers added another hack to a growing list of compromises involving vehicles, and this one should give drivers pause the next time they leave valuables locked in their trunk. This hack involves millions of Volkswagen, Ford and Chevrolet vehicles that rely on an outdated key fob technology, which creates an opportunity for even an “unskilled adversary”...

A private industry notification sent by the FBI in late April to its business partners warns of the risks associated with KeySweeper, a tool released in January 2015 by noted hardware hacker and researcher Samy Kamkar. Sixteen months ago, Kamkar released the source code and instructions on how to build the device, which looks like...