Researchers from F-Secure discovered a way to hack the electronic keycard system used for millions of hotel rooms and create a master key that allows them to enter any room at will.

It’s much less suspicious to access a room using a key than connecting a device with wires to a lock. Furthermore, the master key we create is a totally normal, legitimate way of opening any door.

Those are warded locks, master keys (nothing to do with the Master Lock company) are keys which can open a large group of locks in a specially prepared locking system.

Locksmiths have known for years that anybody with a key to a building whose locks have a master key can create their own master key. But now that such findings by an AT&T researcher are getting ...

Researchers have refined a technique to create so-called DeepMasterPrints: fake fingerprints designed to trick scanners.

It’s much less suspicious to access a room using a key than connecting a device with wires to a lock. Furthermore, the master key we create is a totally normal, legitimate way of opening any door.