Here's a similar link... https://hackaday.com/2020/08/22/stealing-keys-from-the-sound-of-the-lock/ https://hackaday.com/2020/08/22/stealing-keys-from-the-sound.

Here's a similar link... https://hackaday.com/2020/08/22/stealing-keys-from-the-sound-of-the-lock/ https://hackaday.com/2020/08/22/stealing-keys-from-the-sound... "Researchers in Singapore reported that analyzing metallic clicks as the key slides past the pins gives them the data they need to 3D print a working key. The journal published research is behind a paywall, but there is a copy on co-author [Soundarya Ramesh’s] website which outlines the algorithm used to decode the clicks of key teeth on lock pins into usable data."