DEF CON SINGAPORE!

All Day | DEF CON is growing. Our mission to support and showcase the best of the hacking community is going global. Next stop - Singapore!

We are excited to announce that DEF CON and HTX (Home Team Science and Technology Agency) will be co-organizing DEF CON SG with Centre for Strategic Infocomm...

DEF CON 34 CTF Qualifiers - Welcome Benevolent Bureau of Birds!

All Day | Please welcome the DEF CON 34 CTF organizers, Benevolent Bureau of Birds! We're excited to have them on board. Your first chance to see what they're bringing to the table will be in the DC34CTF Qualifier Round, scheduled for May 22-24, 2026. The Birds are online at https://bbbirds.org. Info about our...

DEF CON 34 Early Bird Pricing Ends

All Day | The wait is over. Preregistration for DEF CON 34 opens TODAY!

Reminder – the cash route is unchanged: Cash at the door registration (LineCon) will continue in its traditional, vibey fashion (think hacker slumber party). Doors open Thursday, August 6 and the price is $520.

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DEF CON 34 Las Vegas

All Day | Good News, Everyone! We have the official dates for DEF CON 34! And to make up for the delay, we also have the dates for DEF CON 35!

Please join us at the Las Vegas Convention Center August 6-9 in 2026 and August 5-8 in 2027.

Save the dates, friends. It'll be here before you...