When they tap those two cards on a lock, the first one rewrites ... “And that works on every door in the hotel.” He and Carroll, an independent security researcher and founder of the travel ...

The security flaws on this common hotel keycard lock are nothing short of face-palmingly stupid. Look closely at the picture above. This is a hotel room door swinging open. The device he holds in ...

And this one holds its own little secret. It acts as a master key for hotel room door locks. This is really more of a repackaging hack. The exploit is already quite well-known. The Onity brand of ...