Welcome to the website of DEFCON, the largest underground computer hacking event in the world. Here you can find news, links, and forum topics relating to previous and upcoming DEFCON conventions.

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Community

dc groups

uncommon commonality

defcon forums

forum.defcon.org

mailing lists

calendar of events

Get involved with DEFCON Groups in your area!

Discuss hacker related issues at the DEFCON Forums

Upload all your photos and videos from DEFCON at pics.defcon.org

DEFCON

The world's largest underground hacking convention!

Community

dc groups

defcon forums

mailing lists

calendar of events