Hitag transponders have been used in a wide variety of car keys as a protective measure against hot-wiring and theft. They’re also a reason why it’s a lot more expensive to get car keys duplicated ...

A popular radio-frequency ID system that is used to deter car thefts and as a convenience device for the purchase of gasoline can be defeated with low-cost technology, computer scientists from The ...

For instance, can I store both my car keys (a Lincoln MKZ) and my apartment door key on a single RFID microchip? I also want to use that same microchip to open my front door. —Name withheld You are ...