ALBUQUERQUE, N.M. (WHAT THE TECH?) — You may have seen social media posts about thieves breaking into cars by copying key fobs. It’s a real problem. It’s called a relay attack and here’s how it works.

We really are living in the future when your car just magically knows you're there without you having to do anything. The jingling of keys used to be the universal symptom of turning a car on, but ...