Combination locks are a great way to keep your belongings safe when leaving things unguarded. Here are the best combination locks you can buy in 2019.

This robot can crack your combination lock in less than 30 seconds The 3D-printed "Combo Breaker" is brainy enough to figure out your lock's combination and get the thing open in mere seconds.

From “S.L.” (3/09): “Having read this article, I decided to stop by the Master Lock section on my next Home Depot visit. I ended up getting a slightly larger version (part #8119D) than the one tested.

Combination locks may seem secure, but they're not foolproof. Despite their popularity, they're vulnerable to a technique called "lock manipulation," where skilled individuals can determine the ...

If you use a Master combination lock at the gym, you might need to reconsider it after reading this post. “Serial hacker” Samy Kamkar figured out the technique after fiddling with a previously known ...

And now there's QuickLock, a Bluetooth-powered padlock that updates the classic portable lock for the smartphone age. QuickLock doesn't use a key or combination of any kind.

The Combo Breaker goes even further, automating the process with zero skill or practice required from the user. But a Master Lock cracker willing to learn just one step in the process can also ...

Here’s a really fascinating circuit that implements a combination lock using relays and logic gates. Even with the schematic and written explanation of how it works we’re still left somewhat ...

If you need a reminder not to put your complete trust in standard combination locks, here it is. Samy Kamkar, who once also engineered software that can hijack drones, created a motorized lock ...