Good thing there's a weekend coming up - the #defcon Youtube channel has dropped a few hundred #defcon33 videos for your leisurely perusal. Clear your schedule and let the #dc33 Main Stage and Creator Stage Talks wash over your thirsty brain. Even more #dc33 village and music goodness on the way. As always, enjoy and #passiton.

#DEFCON34 Call for CTF Organizers is OPEN! After four excellent years, Nautilus Institute is retiring from running the official DEF CON CTF. That means the search is on for the next team to run the world's premier CTF competition. Is it your turn? Is your crew the future of live hacking competitions? Successful applicants are: Fanatically dedicated. Radically resourceful. Diabolically clever. Disrespectful of boundaries. Selected crew receives: The freedom to bring your vision to the best CTF squads on Earth. Glory that echoes through eternity. Your name alongside immortals like Nautilus Institute, Order of the Overflow, LegitBS, DDTEK, Ghetto Hackers and The People. The satisfaction that comes from knowing you raised the bar and changed the CTF game forever. The thanks of a grateful community. If this sounds like you, get the details at The #DEFCON Call for #CTF Organizers Page, and take the first step towards your destiny. Glory awaits.

DEF CON® Hacking Conference - Call for CTF Organizers

Nautilus Institute is passing the torch, will your group be the next CTF Overlords?.

#defconmovienight continues the #spookyseason offerings this Saturday with 'Carrie'. Join us at 8pm Oct. 11 in the Discord (discord.gg/defcon) in the movie-night-text channel for the classic 1976 tale of prom night and psychokinesis. Sissy Spacek and Piper Laurie in the leads and Brian DePalma behind the camera. Also superfluous John Travolta. A good creepy time will be had by all. #defcon #movienight #halloween2025

The updated files and torrents for #DefCon 29, 30, 31, and 32 are now live on

media.defcon.org

All DEF CON video presentations, music, documentaries, pictures, villages, and Capture The Flag data that can be found.

with over 320 presentations have been added! Also for our followers an early announcement: The DEF CON 33 main stage talks, villages & creator talks are there as well, soon to go live on YouTube.

DEF CON Training is headed to Singapore! In April 2026, the first-ever DEF CON Singapore, co-hosted with Home Team Science & Technology Agency and Centre for Strategic Infocomm Technologies csitsg, will kick off with two days of world-class instruction on cutting edge topics. Want to join us? The Call for Trainers (CFT) is now open and accepting applications until 11:59 pm PT on November 10:

defcontrainings

2026 Singapore Call for Trainers

Call for Trainers: DEF CON Training Singapore 2026 The Call for Trainers is now closed. Please keep an eye on this website and DEF CON Training soc...

Be sure to take a look at the list of topics of interest to provide your application the greatest chance of success. Send submissions and questions to training@defcon.org. We hope to see you there! #defcon #defcontraining #defconsg #singapore #cybertraining #cybersecurity #infosec #cyberdefense #pentesting #redteam #blueteam #reverseengineering #AI #threathunting #IoT

We are putting the finishing touches on launching all the main stage presentations from #DefCon this year. They will launch on both YouTube and our media server at

media.defcon.org

All DEF CON video presentations, music, documentaries, pictures, villages, and Capture The Flag data that can be found.

this week. While we were reviewing content we also found past Village presentations from DC 29, 30, 31, and 32 that we didn’t have on-line, over 200 more added to our archives!

More #defcon in the news with @npub1klcn...h6ke ! Kudos to the team at #defconfranklin for hooking up talented volunteers with infrastructure projects that need attention. Nice to see hackers getting good attention for good reasons. If you're interested in learning more about the opportunities available, visit defconfranklin.com https://www.npr.org/2025/09/20/nx-s1-5525957/water-supply-hack

Today’s #DEFCONTraining Bahrain Spotlight is “AI SecureOps: Defending AI Applications and Services” with Abhinav Singh on November 3 & 4. Can prompt injections lead to complete infrastructure takeovers? Could AI applications be exploited to compromise backend services? Can data poisoning in AI copilots impact a company's stock? Can jailbreaks create false crisis alerts in security systems? This immersive, CTF-styled training in GenAI and LLM security dives into these pressing questions. Engage in realistic attack and defense scenarios focused on real-world threats, from prompt injection and remote code execution to backend compromise. Tackle hands-on challenges with actual AI applications to understand vulnerabilities and develop robust defenses. You’ll learn how to create a comprehensive security pipeline, mastering AI red and blue team strategies, building resilient defenses for LLMs, and handling incident response for AI-based threats. Additionally, implement a Responsible AI (RAI) program to enforce ethical AI standards across enterprise services, fortifying your organization’s AI security foundation. Review the full course description and sign up today: https://training.defcon.org/collections/arab-cybersecurity-2025/products/abhinav-singh-ai-secureops-defending-ai-applications-and-services-dctac2025 See the full list of courses offered here:

defcontrainings

Arab Cybersecurity Conference

DEF CON Training is coming to the Arab International Cybersecurity Conference at Exhibition World Bahrain on November 3 and 4, 2025. Secure your sp...

#defcon #cyber #training #defconbahrain #AICS2025 #Bahrain #UAE #SaudiArabia #cybertraining #infosec #cybersecurity #cyberdefense #AI #defendingAI