Friendly reminder: #defconsingapore is next month! We’ve got tons of information about what you can expect on our website. Find out about all the exciting contests, events and Villages at defcon.org/html/defcon-.... Hope we’ll see you there!

Looking to build your first badge for @defcon.bsky.social, or any con, this year? Talks like this one from @bigtaro.bsky.social are a fantastic resource. youtu.be/e6dmGupBsJk?...

#Defconmovienight is Saturday, Feb 28 at 8pm PST. Please join us for 'Apocalypse Now' in honor of the passing of screen legend Robert Duvall. We'll be in the movie-night-text channel of the #defcon discord (Discord.gg/defcon) with movie chat and hangout vibes.

At @defcon.bsky.social last summer, hackers of all kinds convened to share #cyber research. The Hackers’ Almanack translates this work into plain language to give policymakers a window into the latest in offensive AI, cybercrime, critical infrastructure vulnerabilities & more. ➡️ Read the Almanack:

#defconmovienight this week brings you the dark comedy of 'Harold and Maude' from 1971. Join us Saturday at 8pm PST in the movie-night-text channel of the discord (discord.gg/defcon) where we'll discuss how to live a full life on your own terms. If you want to sing out, sing out. #defcon

More kudos to @politico.com for this coverage of the Almanack. It features themes and policy solutions, from creating multilateral standards for AI use in cyber to fighting back against despotism with digital means. Link in bio. @defcon.bsky.social #CyberCivilDefense #Take9#HackersAlmanack

Good news, everyone! The #DEFCON34 room blocks are live! While supplies last, you can get a special room rate at the Fontainebleau, Sahara,Wynn and Encore, and Circus Circus. The links are all on defcon.org. We’re halfway there. #DEFCON 34 will be upon us before you know it. See you soon!

oh cool, the hackers' almanack from def con 33 is out... and seems like they think policymakers should know about our snitch puck research? (i agree, naturally, but the outside validation is nice)

The DEF CON 33 Hackers’ Almanack translates a year of hacker research into plain language for policymakers—covering offensive AI, cybercrime, authoritarian surveillance, and critical infrastructure vulnerabilities. Read more: harris.uchicago.edu/sites/defaul...

#Discord has decided to require face scans/ID uploads for full access. Might be time to start thinking about other options for #defcon community hangout. Suggestions welcome.

#defconmovie night is tomorrow at 8pm PST. We'll be checking out 'Beetlejuice'. Join us in the movie-night-text channel of the #defcon Discord (discord.gg/defcon) and we'll vote on whether B. really is the ghost with the most. RIP Catherine O'Hara.

DEF CON 34 Update! All of the calls for DC34 in Vegas are now live, including the Calls for Papers, Workshops, Demo Labs, and Policy. defcon.org/html/defcon-... Submission doors are open and the clock is running. Choose your adventure. #defcon #cfp #defcon34

Friendly reminder - Early Bird Pricing for our Singapore Training Event ends February 8. Signing up now reserves your spot and earns you a $250 discount. training.defcon.org #defcon #defcontraining #singapore #earlybird

Good news,everyone! We consulted the groundhog and #DEFCON34 content call season is officially open! Starting today, most content calls are open, including Villages Contests Communities Music Soundtrack Are all ready to accept your submissions. defcon.org/html/defcon-... Let’s go. #defcon

The wait is over - online reg for DEF CON Singapore is open! It’s all happening at the Marina Bay Sands, April 28-30. Online reg is open until Apr. 24. There's an Early Bird discount and a Student discount. Singapore Training reg is open, too sg.shop.defcon.org See you in Singapore!

Early Bird pricing is now available for DEF CON Training Singapore! 🇸🇬 Early bird pricing is available until February 8, giving you priority access to advanced, real-world training at a reduced rate. Secure your spot! Find the full Singapore course lineup at training.defcon.org/collections/...

Big website updates for DEF CON Singapore! You can now find information on many of the Villages, Contests and Communities you’ll find when you join us in April. We hope you’ll take some time to get familiar with the lineup. defcon.org/html/defcon-... More info coming. See you soon!

This Saturday’s #defconmovienight brings one of the great #hardwarehacking challenges of the 20th century - Apollo 13. Join us Sat. 8pm PST in the movie-night-text channel of our Discord (discord.gg/defcon). We’ll be watching our monitors breathlessly like Mission Control. #defcon #yayscience

Just a friendly reminder that the exemplary humans at @somafm keep #defconradio going all year long. Stream the vibe immaculate at somafm.com/defcon/. #defcon #grooves

Just a friendly reminder that the exemplary humans at @somafm keep #defconradio going all year long. Stream the vibe immaculate at somafm.com/defcon/. #defcon #grooves

The #defconmovienight cruise ship is docking briefly in the land of 70s disaster cinema with ‘The Poseidon Adventure’. Join us in the movie-night-text channel of our Discord (discord.gg/defcon) Saturday at 8pm PST for thrills, chills and Ernest Borgnine.

Friendly reminder, #DEFCONSingapore edition: The DEF CON Singapore Call for Papers is still open, but only until Feb 15. Our CFP Reviewers are standing by, so don’t delay! All the information you need is here: defcon.org/html/defcon-... #defcon #singapore #callforpapers #cfp

The DEF CON Training Singapore course lineup is now live! Explore the full lineup and course details here: training.defcon.org/collections/... Spots go fast, so take a look, grab your seat, and get ready to learn and build. Early bird pricing available until February 8. See you in Singapore 🇸🇬

Happy New Year! Heartfelt thanks to the #DEFCON community for your support in 2025. Here’s hoping 2026 exceeds your dreams. We’ve got big plans. In addition to DC34 in Vegas we’re returning to #defconbahrain and adding #DEFCONSingapore. Keep in touch. Look out for each other. See you soon.

@defcon.bsky.social just posted the Recon Village talks Here's a list of six talks that look interesting for OSINT Discord OSINT www.youtube.com/watch?v=Xp4l... AI Agents for Real-Time OSINT www.youtube.com/watch?v=oHjQ... Bypassing Rate Limits and Maintaining OPSEC www.youtube.com/watch?v=yIUf...

#defconmovienight keeps the holiday magic going with another John Cusack vehicle. Join us Saturday at 8pm PST for 'Better Off Dead'. We'll be in the movie-night-text channel of the Discord (discord.gg/defcon), calculating the street value of K-12. Closest guess without going over wins Fronch Toast.

Prepare yourself for next year’s DEF CON and Black Hat with this new @nostarchpress.bsky.social bundle: Hacking. 18 books for as little as $36—and you’re supporting EFF’s fight for digital freedom! www.humblebundle.com/books/hacki...

#defconmovienight presents another Xmas-adjacent movie this week. Join us at 8pm PST Saturday for ‘The Ice Harvest’. We’ll be in the movie-night-text channel of the #defcon Discord (discord.gg/defcon) for some holiday magic. BTW - the tagline ‘Thick Thieves. Thin Ice’ is just about perfect.

The Call for Trainers is now OPEN for #DEFCONTraining Las Vegas at #DEFCON 34! Do you have expertise in emerging threats, defensive strategies, or cutting-edge security techniques? We want to hear from you! Visit training.defcon.org to submit your application by January 12, 2026.

The #defconsingapore Calls for Papers and Demo Labs are now OPEN. If you've got a presentation or open source project to share with the #defcon community, the time is now. Deadline is Feb 15, 2026. Info here: CFP: defcon.org/html/defcon-... Demo Labs: defcon.org/html/defcon-...

#defconmovienight steps into December with the first of several arguably Xmas themed movies. Join us at 8pm PST Saturday, 12/6 for ‘Brazil’. We’ll be hanging out in the movie-night-text channel of the Discord (discord.gg/defcon) trying to keep flies out of the printer.

EFF 🤝 @nostarchpress.bsky.social. Support the fight for privacy and free speech online when you grab this @humblebundle.com book bundle today! www.humblebundle.com/books/hacki...

📣🎬 Calling all filmmakers & artists! Celebrate Public Domain Day in January 2026 by making a 2–3 min short film using public domain works from 1930 & earlier. 📆 Deadline: January 7, 2026 💰 First prize: $1,500 ℹ️ Details 👉 blog.archive.org/2025/12/01/2... #contest #filmmaking #publicdomain

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: forms.gle/3TNqv7mRCTGbLTKA7

#defconmovienight is finishing #noirvember strong with 'Cry Danger' from 1951. Unjustly jailed con gets out and seeks to set things right. Nothing goes to plan. Join us at 8pm PST in the movie-night-text channel of the discord (Discord.gg/defcon). Watch your pockets, bring an alibi. #defcon

Make sure you catch my latest for @wired.com -- with comment from @defcon.bsky.social and @blackhatevents.bsky.social founder Jeff Moss, and @adafruit.com founder + engineer Limor Fried: www.wired.com/story/this-h...

Fascinating @defcon.bsky.social talk on “Signalgate” and telemessage. youtube.com/watch?v=5Vlh...

Friendly reminder: Keep yourself or a hacker in your life looking sharp this holiday season by checking out our goodies at shop.defcon.org. Get our extremely crispy holiday sweater while supplies last, and check out the other gems we have available. #defcon #sofreshandsocleanclean

Previous @defcon.bsky.social badge gets some updates and additional resources media.defcon.org/DEF%20CON%20...

Another #noirvember classic scheduled for the #defconmovienight this weekend. ‘The Prowler’ from 1951 - directed by Fritz Lang and written by Dalton Trumbo in the Blacklist era. We’ll be lurking in the shadows in the Discord (Discord.gg/defcon) at 8pm PST Saturday. Join us, won’t you? #defcon

#defconmovienight continues the celebration of #noirvember Saturday night with Fritz Lang's 'The Woman in the Window' from 1944. Join the #defcon movie night faithful at 8pm PST. We'll be staring out the window of the discord (discord.gg/defcon) in the Movie-night-text channel. See you there.

#DEFCONSIngapore update: Now that we've wrapped up a very successful DC Bahrain, we're excited to turn our focus to #Singapore. If you want to be involved, we've still got open calls for Creators and Trainers! More info here: defcon.org/html/defcon-... Let's make this thing epic. #defcon

It's been great making so many new friends at #defconbahrain! Many thanks to the creators who put the event together, the attendees who shared their time with us and our supremely gracious hosts. #defcon #passiton

Some more images from the calm before #defconbahrain - our demo labs prepped for demonstration and the info desk ready to inform. You can find out more #defcon at the #arabinternationalcybersecurityconference here: defcon.org/html/defcon-...

#defcon crew beginning to arrive for #defconbahrain. Trainings begin Nov 3, and the event runs Nov 5 and 6. more info here: defcon.org/html/defcon-...

#ICYMI: #DEFCON Training is Coming to #Singapore! Calling all security professionals and trainers: applications are still open for the inaugural DEF CON Training session in Singapore! 🔗 Submit by November 10: training.defcon.org/pages/2026-s... ✉️ Questions? [email protected].

Good News, Everyone! We have the official dates for #DEFCON34! And to make up for the delay, we also have the dates for #DEFCON35! 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 know it. #defcon

We’re closing out Spooky Month at the #defconmovienight with the modern zombie classic “Shaun of the Dead”. We’ll be at the Winchester (discord.gg/defcon) in the movie-night text channel at 8pm PDT this Saturday. Next up, #Noirvember. #defcon