Opening locks by bumping in five seconds or less: is it really a threat to physical security? Marc Weber Tobias gave a lecture at the University of Cambridge Computer Security Lab on the design issues that allowed pin tumbler locks to be opened in seconds. Security Seminar – 23 May 2006_ Marc Weber Tobias, Investigative Law Offices

The subject of lock bumping was introduced at Def Con in 2006 by Marc Tobias and Matt Fiddler. an eleven year old girl, Jenna Lynn demonstrated how to bump open popular locks at the Lock Picking Village and in the lecture by Tobias and Fiddler. watch the video.

The following year she demonstrated how to bump the Medeco high security locks with ARX high security pins. Watch the video. The demonstration was viewed by many experts and verified.

The book “Open in thirty seconds” by Marc Tobias and Tobias Bluzmanis fully explore the ability to bump and pick Medeco and other high security locks.