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 ...

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 ...

Or get a lightweight portable door lock that packs nicely into your suitcase. Other hotel safety tips you should know If the first thing you do when you step into a hotel room is check for ...