IRL Name: 
Joseph Grand / Joe Grand

Joe Grand is an American electrical engineer, inventor and hardware hacker known in the hacker community as Kingpin. He achieved mainstream popularity after his appearance on Prototype This!, a Discovery Channel television show. He specializes in, "finding security flaws in hardware devices and educating engineers on how to increase the security of their designs".

He was a member of L0pht until its merger with @stake. Along with the rest of L0pht, He testified before Congress on May 19th, 1998, that they could shut down the internet in 30 minutes.


In 2009, Grand was a member of a team that demonstrated vulnerabilities in San Francisco's e-parking meters.

Currently is the president of Grand Idea Studio, a San Francisco-based product research, development, and licensing firm.

As he was a skateboarder as a teenager, his handle is based of the for the bolt that runs through the truck, or axle, of a skateboard.

Grand remains an active member of the electronics engineering and security communities and is a regular guest speaker at international conferences including at Black Hat USA 2013.