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.

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 ...

A few months back at the Black Hat Security conference Cody Brocious demonstrated how you can easiy open an Onity hotel room lock, the standard system used in many hotel chains, with an Arduino ...

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.

Resetting a Kwikset lock involves removing the battery pack and holding down a button, while changing the code can be done ...