Friendly reminder: Online Registration for #defcon33 closes August 1! Go to shop.defcon.org to beat the deadline.
After that point, the only reg option is cash at the door. #linecon abides. Peace, love and beachballs to all.
See you soooooon.
All signs point to #DEFCONTraining Las Vegas 2025…
Think you have what it takes? If you recognize qrspba, unpxre, or onqtryvsr then follow the trail to Z2VudmF2YXQucXJzcGJhLmJldAo= to learn more. There’s still time to sign up!
#defcon #defcon33 #cybertraining #infosec #cyberdefense #pentesting #IoT #AI #training
#DEF CON is coming to #singapore !
DEF CON and HTX will be co-organizing DEF CON SG, with CTIS as our strategic partner.
Join us at the Marina Bay Sands April 28-30, 2026 for the full DEF CON experience: presentations, hands-on Villages, contests and musical entertainment.
Bonus: 2-day DEF CON Training courses to level up your technical skills April 26-27.
Follow all the updates on the web at
Don’t forget to keep a tab open for https://info.defcon.org/ the one stop location for schedules and event updates for #defcon 33. Hacker Tracker and info share the same database, so both are good!
#DEFCON Founder Jeff Moss is in Bahrain promoting our participation in the Arab International Cybersecurity Conference (AICS) and Exhibition November 5-6, 2025. We'll be bringing a sampling of our villages, workshops and contests to the cutting-edge Exhibition World Bahrain facility and everyone attending AICS can take part in all of the DEF CON offerings for free.
Bonus: in an international first, we’ll also be offering exclusive DEF CON 2-day Training classes on November 3-4. Sharpen your skills with some hands-on, world-class instruction and maximize your DEF CON experience in Bahrain. More info about the trainings is available at
Tonight’s #defconmovienight features Armando Iannuci’s ‘The Death of Stalin’. The title doesn’t sound funny, but the movie is. Join us at 8pm PDT in the #defcon discord (discord.gg/defcon). We’ll be hiding in the Movie-night-text channel waiting for the org chart to shake out.
🚨 Swag alert! 🚨
Final preparations are underway for #DEFCONTraining Las Vegas 2025! Take a look below for a sneak preview of this year’s training swag, provided exclusively to students and instructors.
It’s not too late to sign up. Browse the course offerings and secure your spot today:
The #wallofsheep has come a long way since the days when offenders were scrawled on paper plates stapled to a wall.
#ThrowbackThursday #defcon32 #defcon
One final reminder: #defcon’s online registration price goes from Regular ($560) to Late ($580) at 8:59pm EST on July 18. You still have some time to avoid the price increase.
Shop.defcon.org
Also, online reg closes 8/1. After that, #linecon and cash at the door only.
#defcon33 is just a few weeks away.
Let's GO.
