Bill Johnson is now attracting a global following thanks to his YouTube campaign against Master Lock — offering a veritable how-to on ways to open its padlocks without a key.

The LockSmart Keyless Bluetooth Padlock (left) and the Master Lock Bluetooth Smart 4400 Padlock (right) provide a way to both open them yourself and let someone else open them, all without a key.

This is a pretty typical design: In this Null Byte, we are going to make a DIY shim, which is a tool that can open most padlocks without need of a key.

Master Lock's new Bluetooth-enabled smart padlocks aim to make forgotten combinations or lost keys a thing of the past. Paired with the Master Lock Vault app, the new line of locks improves ...

Master Lock's new padlock unlocks using your fingerprint, so you'll never lose those fiddly keys again. It can even be "jump-started" if the battery fails.

Master Lock has launched a padlock requiring no key-turn to unlock, making it ideal for consumers that suffer joint problems such as arthritis. The PushKey padlock requires less than 2.5kg of ...

Master Lock 4400D Indoor Bluetooth Padlock Master Lock's 4400D Indoor Bluetooth Padlock lets you pop it open with the touch of a button and provide guest access to anyone you want.

There's a vulnerability in Master Lock branded padlocks that allows anyone to learn the combination in eight or fewer tries, a process that requires less than two minutes and a minimal amount of ...

Master Lock 4400D Indoor Bluetooth Padlock Review Master Lock's 4400D Indoor Bluetooth Padlock lets you pop it open with the touch of a button and provide guest access to anyone you want.