Defcon Las Vegas _verified_ – Must See

Attendees use aliases, and asking for someone’s employer or real name is often considered a faux pas.

Would you like a shorter version for Instagram/Twitter, or a more technical version for a security blog? defcon las vegas

: As of April 2026, early registration for the August event is $560 (available until May 22). Regular registration rises to $580 in late May, and late registration is $600 starting July 18. Attendees use aliases, and asking for someone’s employer

The story of DEF CON begins with , known by his handle "The Dark Tangent." In 1993, he planned a gathering at the Sands Hotel & Casino to say goodbye to a fellow member of a hacking network. When the friend left early, Moss invited everyone on his BBS networks instead. The name itself is a triple entendre: Regular registration rises to $580 in late May,

Each year’s electronic badge is a puzzle in itself. Attendees compete to reverse-engineer and “jailbreak” their badges — often unlocking secret light sequences, sounds, or hidden levels.