Attention #defcon educators ! The #DEFCONTraining 2025 Call for Trainers is live! We’re looking for unique, technical, and practical presentations from trainers with deep knowledge of their subject. If that’s you, let’s talk! All the info you need to apply is at

Still searching for just the right #BlackFriday sale? #defcon has you covered! Check out our delightful holiday sweater, badge discounts and hacker swag to keep you crispy fresh into the new year. It’s all going down at Shop.defcon.org.

The 2024 State of Arizona Cyber Summit is happening this Friday! Executive Director Jake Braun will chat with Ryan Murray, Deputy Director for Arizona DHS. Jake will discuss how Project Franklin can help improve cyber resiliency for critical infrastructure. #CyberCivilDefense

Psyched to announce the illustrious ᗩᒪETᕼE as our keynote speaker! Senior Security Consultant on Bishop Fox's Red Team by day, also training US Army Special Ops, educating students at Los Alamos, providing insight to the media, or rocking a DEF CON Black Badge. YES! #cc13

Tickets are available for CactusCon 13! eventbrite.com/e/cactuscon-13…

Our schedule for CactusCon 13 is LIVE! buff.ly/42cfFTQ So many good talks this year. Excited to see you all again so soon! ✨🤖😍 #cc13

DEF CON 33 Call for Exhibitors is live! defcon.org/html/defcon-33…

Going to CactusCon 13? Participate in the HRV Fox Hunt, presented by EvilMog® @mog.evil.af to get the chance to win some sweet prizes! Info on the CactusCon website: cactuscon.com/villages

Come help us make #defcon33 the best year yet -- The Ham Radio Village call for Staff is open at hamvillage.org/events/dc33/st…

#DEFCON33 Theme Drop! “Access Everywhere.” This year we’re thinking about how to make information and services available to everyone. Available wherever you are, whoever you are, and usable no matter how you need to connect. Less walled gardens, more sunlight. You can read

We sense a disturbance in the force…registration is open for #DEFCONTraining Las Vegas 2025! Whether you’re a Rebel Red Teamer or a True Blue Defender, there is training for all, from any world in the galaxy! Pack up your droids and join us in Vegas! Register today and take

OMFG Black Badge Raffle Indiegogo!!!! #BlackBadgeRaffle #defcon33 indiegogo.com/projects/black…

Party Early and Often! Promptfoo Party. Saturday, Aug 9, 18:00-20:00. Millennium FANDOM BAR. lu.ma/ljm23pj6 Full List defconparties.com 📅 easy.defconparties.com 👕swag.defconparties.com

Do you have a DEF CON Group? 🏴‍☠️ Would your group like photos of your meetups and activities featured in the DCG Community, on stage at DEF CON, or in a couple presentations I’m doing in DCGs at #DC33? 🌏 Please send to me your pics of DCG meetups and your groups stuff (keep

#DEFCON33 #defcon “a skinned labubu” badge

Stats for the DEF CON 33 ham radio exam session have been finalized! Thank you to all those who participated, and welcome to all those who earned their license this weekend! #defcon33 #HamRadio #AmateurRadio

After a lively game with lots of participation by many teams, congratulations to the 2nd time winning team for beating a team of goons playing with godmode activated by only 2 points DEF CON #defcon #defcon33

K0HRV is QRV on 20m FT8 The HOPE Conference 🏳️‍🌈🏳️‍⚧️ 16! Come swing by and learn whats going on with #AmateurRadio / #HamRadio

We are hosting a #defcon Singapore chill out meetup Dec 5 2025. Everyone is invited. Community partners, Div0, Range Village and DDAS will be there too! 8pm - Drinks, Chill Georges@ taiseng 30 Tai Seng St., #01-07 Bread Talk IHQ, Singapore 534013 See you there! RSVP:

THEY'RE HERE! cactuscon.com/tickets We've got: Con Tickets Hardware Badge CactusCon Kids (FREE!) CCK Hardware Badge CISO Village (with some early bird pricing) Student tickets will be available soon!