Celebrating 20 Years of DefCon: A Retrospective on Hackers and Security

In 1992, Jeff Moss (third from left in second row) invited a bunch of hacker friends to come to Las Vegas to party in the desert. Now in its 20th year, the DefCon hacker conference draws more than 7,000 hackers, security pros and undercover feds each year. Dead Addict (center), a mainstay of DefCon, is one of the few hackers who has been with the conference from year one when he helped founder Jeff Moss organize the first gathering and secure the participation of Assistant US Attorney Gail Thackeray to speak to the hackers following her work on the notorious Operation Sun Dial case.

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