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DEF CON @defcon.bsky.social · 06/10/2026

📢 DEF CON Training is now accepting course submissions for 2027! Submit today to teach alongside the #DEFCON community around the world! For details, see application. The deadline is Nov. 13, 2026. Apply today 🔗: forms.cloud.microsoft/r/z2f4igJPuu Questions? training@defcon.org

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DEF CON @defcon.bsky.social · 06/10/2026

#defconmovienight Spooky season entry #2 is 'Them' from 1954. It's quite possibly the best ant-based monster movie in cinema history. Join us Saturday 8pm PDT in the movie-night-text channel of the discord (discord.gg/defcon). We'll be nervously guarding our picnic goodies. #defcon

Movie poster for 'Them' featuring huge scary ants.

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DEF CON @defcon.bsky.social · 01/10/2026

#defconmovienight kicks off the Spooky season this Saturday 8pm PDT with ‘The Innocents’ from 1961. It’s based on ‘The Turn of the Screw’ and stars Deborah Kerr. Join us in the movie-night-text channel of the discord (discord.gg/defcon) for an eerie good time.

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DEF CON @defcon.bsky.social · 30/09/2026

DEF CON Training is headed back to Bahrain on November 9-11, at the Wyndham Grand Manama. The course line up has a bit of everything - AI, threat hunting, cryptocurrency, cloud infrastructure, and more! Browse the course catalogue and secure your seat today: me.shop.defcon.org/collections/...

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DEF CON @defcon.bsky.social · 24/09/2026

All systems are go for DEF CON Singapore 2! We’re excited to announce our return to Singapore 4-6 March, 2027. We’ll be opening online registration soon. Please save the date and follow us here and at defcon.social for all the latest news. See you soon. #defcon #defconsingapore #DCSG2

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DEF CON @defcon.bsky.social · 22/09/2026

DEF CON Movie Night concludes our short cinematic exploration of the San Fernando Valley with a film from the Valley's poet laureate, Paul Thomas Anderson. Join us at 8pm PDT 9/26 in the movie-night-text channel of the DC discord (discord.gg/defcon) for 'Magnolia.' Next week, spooky season begins.

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DEF CON @defcon.bsky.social · 08/09/2026

Friendly Reminder: While supplies last, you can get the Baochip-enabled #DEFCON34 badge in the DC store. It's our best badge yet - a fully inspectable open source platform you can use as a security token long after you've played through the conference goodies. Shop.defcon.org.

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DEF CON @defcon.bsky.social · 02/09/2026

A fun (and accurate) snippet from DC34 Coverage at Japan's Asahi.com: www.asahi.com/articles/ASV... "..casual light clothes such as T-shirts and shorts, but there are also people who wear dinosaur costumes and clothes full of personality that look like handmade devices all over their bodies."

picture from Asahi.com's DC 34 coverage with a handmade sign pointing the way to Human Registration

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DEF CON @defcon.bsky.social · 24/08/2026

DEF CON Training Middle East is coming - join us at Exhibition World Bahrain November 8-10 for deep, technical trainings from some of the best trainers in the business. You can learn about all the offerings here: me.shop.defcon.org/collections/... #defcon #defcontraining

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DEF CON @defcon.bsky.social · 15/08/2026

#defconmovienight returns from #DEFCON34 with the enigmatic ‘Brewster McCloud’ from 1970. Starring Bud Cort, and weird in a way that doesn’t get funded any more. Join us at 8pm PDT in the discord (discord.gg/defcon). We’ll be in the movie-night-text channel teaching ourselves to fly.

Movie poster for Brewster McCloud (Robert Altman 1970)

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DEF CON @defcon.bsky.social · 10/08/2026

It’s not quite over- there is an afterparty. And it’s at the Liv in the extremely swanked out Fontainebleau. Your badge gets you admission and a free drink. Doors open at 10:30. See you there. #defcon #defcon34 #afterparty

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DEF CON @defcon.bsky.social · 09/08/2026

DEF CON 34 is wrapping up, and it’s been another amazing year. Deep thanks to the peerless #defcon community, the staff and Goons who make this thing run, and to the creators who share their passions. We’re already thinking of ways to top this year. See you soon, everyone. #defcon #defcon34

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DEF CON @defcon.bsky.social · 09/08/2026

If there's no afterparty, how can we be sure there was a party at all? Fortunately, there is an afterparty. And it’s at the Liv in the extremely swanked out Fontainebleau. Your badge gets you admission and a free drink. Doors open at 10:30. See you there. #defcon #defcon34 #afterpartyflyer

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DEF CON @defcon.bsky.social · 09/08/2026

Looking for an extra #defcon34 badge? We’ve got you covered. Meet us at Registration at 10am tomorrow and you can pick up a spare for $100. While supplies last, of course. Punctuality is advised. #defcon #badgelife

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DEF CON @defcon.bsky.social · 07/08/2026

#defcon NOC is aware that we are currently experiencing issues with both wired and wireless networking. NOC and appropriate vendors are actively working to resolve this condition. Thank you for your patience. #defconNOC #defcon34

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DEF CON @defcon.bsky.social · 06/08/2026

GOOD MORNING! Registration is OPEN Merch is OPEN (cash only) #DEFCON34 is GO! Let the wild rumpus start, people. #defcon #dc34 #rumpus #GO

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DEF CON @defcon.bsky.social · 06/08/2026

The KevOps Sellout Pool Party is back! Bring your badge to the fabulous Sahara pool this Friday from 7-10pm and beat the heat in style.

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DEF CON @defcon.bsky.social · 04/08/2026

It’s been a whole year. Let’s get reacquainted at the #defcon #welcomeparty! Join us at #TheIndustrial from 6:30 - 11:30pm Thursday for good music and the reliably immaculate DEF CON vibes. We have transportation covered with shuttles running from the LVCC to the party all night. Let’s go0o0!

Party flier for the def con welcome party.

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DEF CON @defcon.bsky.social · 04/08/2026

Friday’s Movie Night has two special DEF CON screenings, with filmmakers from both on hand. ‘Lights in Dark Rooms’ - youtu.be/g-UdPTX_d9Q?... A brand-new DEF CON Documentary from the CyberNews crew! www.youtube.com/watch?v=pb0k... Join us Friday at 8pm in W222! We’ll save you a seat.

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DEF CON @defcon.bsky.social · 03/08/2026

Attention early birds - get ready for the #DefCon network! WiFi registration is open for those who want the most secure browsing experience: wifireg.defcon.org defcon.social/@defcon/1170...

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DEF CON @defcon.bsky.social · 02/08/2026

#DEFCON week has commenced. The annual migration is underway. Don't forget to share your #roadtodefcon posts as you make your way to our desert rendezvous. See you all soon. Real soon. #defcon34 #hackersummercamp #lasvegas

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DEF CON @defcon.bsky.social · 01/08/2026

Listening Together at #DEFCON34 (how audio will work this year -- headsets rather than speakers) info.defcon.org/defcon34/doc...

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DEF CON @defcon.bsky.social · 27/07/2026

Friendly #DEFCON34 reminder: Meta-style glasses with recording capabilities are prohibited at DEF CON. There is no exception for recording glasses with prescription lenses. Be sure to pack non-violating eyewear if you need them. Please see our Photo policies for more. defcon.org/html/links/d...

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DEF CON @defcon.bsky.social · 24/07/2026

The safety of our community is our highest priority. For this reason, we have decided to postpone DEF CON Middle East. The evolving security situation in the region makes it impossible to concentrate on delivering the experience attendees deserve.

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DEF CON @defcon.bsky.social · 24/07/2026

DEF CON 34 Spotlight: Toxic BBQ! Join the humans of Vegas at the unofficial opener of DEF CON. This Thursday Meat-Up is in the shade of Sunset Park, a quick ride from the LVCC. What are you bringing to Toxic BBQ? toxicbbq.org Sunset Park, Foxtail Pavilion (Lat: 36.0636, Long: -115.1178)

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DEF CON @defcon.bsky.social · 22/07/2026

DEF CON 34 Spotlight: Ham-In-A-Day Course Always been interested in getting your ham license but never had the time to study? Now's your chance! The Ham Radio Village is offering a one-day class where you can learn all the required knowledge to pass the exam. Learn more/register at hamvillage.org

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DEF CON @defcon.bsky.social · 21/07/2026

Friendly reminder, Training Edition There are still slots available for DEF CON Training in Vegas next month. 30+ classes to choose from, and there are 1, 2 and 4 day options available. training.defcon.org. You deserve a skill upgrade. Treat yourself. #defcon #defcontraining #defcon34

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DEF CON @defcon.bsky.social · 19/07/2026

DEF CON 34 Spotlight: Arcade Party! The Arcade Party is back! Come play your favorite classic arcade games while Keith Myers DJs. Your favorite custom built 16 player LED foosball table will be ready for some competitive games. Friday 20:00 in LLVC L1 W3-801 info at arcadeparty.org

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DEF CON @defcon.bsky.social · 17/07/2026

DC34 Spotlight: Hacker Karaoke! Two great things that go great together! Join the fun as your fellow hackers attempt songs from every era and style. A DEF CON tradition for all folks and skill levels. Fri/Sat from 20:00 to 01:00 in LVCC - L2 - W229, W232 #defcon #defcon34 #hackerkaraoke

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DEF CON @defcon.bsky.social · 16/07/2026

DEF CON 34 Spotlight: Gothcon! Returning for their 9th year, Gothcon invites you todance the night away with a line-up of some of the community's best dark dance music DJ's! Saturday at 21:00 in LVCC - L1 - Exhibit Hall West 3 - 801 (Creator Stage 2) gothcon.com #defcon #defcon34 #gothcon

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DEF CON @defcon.bsky.social · 14/07/2026

Friendly reminder: DEF CON 34 Workshop registration goes live at noon PDT on July 14! That's today. First come, first served. The full course lineup is available on the DEF CON site defcon.org/html/defcon-... Godspeed and good luck to all of you! #defcon #defcon34 #defconworkshops

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DEF CON @defcon.bsky.social · 13/07/2026

We know DEF CON and Vegas can be a lot. If you're a friend of Bill W who's looking for a meeting or just a place to collect yourself, DEF CON 34 has you covered. Join us throughout the conference in room W301. Meetings will be Thursday, Friday, Saturday, and Sunday. #defcon #defcon34 #friendofbillw

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DEF CON @defcon.bsky.social · 09/07/2026

Some people like to get up and go for a 6am run/walk/ruck during DEF CON. Like every day. I know this only anecdotally. There is an event for those cardio-minded early birds and it's back for DC34. If you are one of those people, get thee to DEFCON.RUN and sign up. #defcon #defcon34 #defconrun

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DEF CON @defcon.bsky.social · 08/07/2026

Friendly reminder about DEF CON Training: Organizers and instructors are hard at work making sure you have the best training experience! DEF CON Training is just one month away. We hope to see you there! Info at training.defcon.org #DEFCON #DEFCON34 #DEFCONTraining #Training

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DEF CON @defcon.bsky.social · 08/07/2026

The #DEFCON room blocks at Wynn/Encore are now sold out. You can still get block discounts at these hotels: Embassy Suites: book.passkey.com/e/51162861 Spring Hill Suites: app.marriott.com/reslink?id=1... Renaissance: book.passkey.com/event/512012... Block rates end 7/15. Don’t delay!

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DEF CON @defcon.bsky.social · 02/07/2026

DEF CON Training is celebrating with a flash sale on select courses! Use the code DCTLV26-250-select at check out for $250 off participating courses. Sign up at: training.defcon.org/discount/DCT... #DEFCON #DEFCON34 #DEFCONTraining #Training

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DEF CON @defcon.bsky.social · 26/06/2026

#defconmovienight has a classic on tap for Saturday night. Join us at 8pm PDT Saturday for the ‘not-quite-fictional-enough’ Gattaca. We’ll be recovering from painful shin-lengthening surgery in the movie-night-text channel of the #defcon Discord (discord.gg/defcon). See you there.

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DEF CON @defcon.bsky.social · 24/06/2026

🚨 DC34 Lodging update! We've got 3 more hotels with a #defcon discount! Book by July 15 at: Embassy Suites: book.passkey.com/e/51162861 Spring Hill Suites: app.marriott.com/reslink?id=1... and Renaissance: book.passkey.com/e/51201282?u... These will move, so don't delay. See you soon!

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DEF CON @defcon.bsky.social · 23/06/2026

DEF CON 34 Lodging Reminder: Our room block deal includes free parking for up to two vehicles for registered guests. You’ve only got until July 3 to take advantage of the rate, so speed is your friend. book.passkey.com/gt/221129294... Just a few measly weeks to go! #defcon #defcon34 #lodging

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DEF CON @defcon.bsky.social · 15/06/2026

Looking for #DC34 accommodations? You can still get the #defcon block discount at Wynn & Encore! Close enough to swing by your room between events and access to the Loop and the Strip. All the best Vegas amenities and a good chance of cool neighbors. Are you ready? book.passkey.com/go/DefCon26

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DEF CON @defcon.bsky.social · 10/06/2026

A few more #DEFCON34 badge hints for the #badgelife people out there: Things to have on hand for maximum mess-around value: Torx T6, a couple spare AA batteries, USB cable. More soon. #defcon #setecastronomy

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DEF CON @defcon.bsky.social · 08/06/2026

#DEFCON34 Music Announcement! They have been selected. These are the mighty masters of groove charged with keeping your rumps shaking at #DEFCON. We salute them and look forward to their musical service. Let’s GoOo!

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DEF CON @defcon.bsky.social · 06/06/2026

Join the #defconmovienight faithful Saturday at 8pm PDT for Sidney Lumet's courtroom masterpiece '12 Angry Men'. We'll be deliberating in the movie-night-text channel of the #defcon Discord (discord.gg/defcon). We won't be angry, especially if you bring some popcorn.

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DEF CON @defcon.bsky.social · 31/05/2026

Last call, early bird pricing for DEF CON training ends tomorrow! Sign up now to save $200. training.defcon.org

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DEF CON @defcon.bsky.social · 30/05/2026

Join the #defconmovienight faithful this Saturday at 8pm PDT for 1947’s ‘Nightmare Alley’. Tyrone Power and Joan Blondell in the twilight world of carnival barkers and ‘mentalists’. We’ll be in the movie-night-text channel of the DC discord (Discord.gg/defcon) #defcon #socialengineering #noir

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DEF CON @defcon.bsky.social · 27/05/2026

DEF CON Training Alert: Don’t miss your chance to save on our hands-on cybersecurity courses. Early bird pricing is available until May 31! Is there a training you’ve been eyeing? Browse classes and secure your spot at training.defcon.org #defcon #defcontraining #defcon34

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DEF CON @defcon.bsky.social · 26/05/2026

Logo Drop: DEF CON 34 has a logo. You’ll be seeing it a lot in the coming weeks, as the announcement rate cranks up and the conference nears its final form. Just a few months to go, friends. Can’t hardly wait. #defcon #defcon34 #lasvegas #letsgoOooO

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DEF CON @defcon.bsky.social · 20/05/2026

DEF CON 34 is an electronic badge year, and we’ve got something very special in store, created by a hardware hacking legend. More details soon. For now, please enjoy this SAO spec sheet with the relevant schematics, measurements and clearances for your projects. media.defcon.org/DEF%20CON%20...

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DEF CON @defcon.bsky.social · 19/05/2026

It’s official - the papers are signed and #DEFCONMiddleEast is on track for November 11-12, 2026 in #Bahrain! There will also be a full slate of 2-day #DEFCONTrainings November 8-10. Stay tuned to these channels for updates, and save the date. Press release: www.bna.bh/en/NationalC... #defcon

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