Some are so simple that this process can even be automated, as [Mew463] has shown by building a machine that can open a Master combination lock in less than a minute.

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 ...

For now, Kamkar has shared only the basics of his method, but he also cut open a lock to see the vulnerability in action, and actually created a little robot that will power-crack Master Locks ...

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.

Or want some incentive to not use a Master padlock? There’s a website for that. The video above from Samy Kamar shows how you can crack any Master combination lock within eight tries.