"I hope that the spirit of my parties lives on in this site, to the extent that this community can come together over time to solve the perplexing problems of modern network (in)security. This site is lovingly dedicated to the memory of all the livers that have been DoS'd during DefCons past. We will miss them."

New! Please help reconstruct past challenges.

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Caezar's Challenge is held annually at DefCon in Las Vegas.