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.

Keyless entry systems have made locking and unlocking car doors much easier. However, they are not without drawbacks. The truth is that there are few things more frustrating and embarrassing than ...