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DEF CON

@defcon.bsky.social
20K followers 256 following 343 posts

The world’s premier hacker conference. Serving the global hacker community since 1993. Defcon.org Forum.defcon.org Defcon.social

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Thorin Klosowski @thorinklosowski.com · 01/10/2026
last year we did a little made up holiday called Opt Out October that was all about taking control of your data across platforms. This year we decided to talk about how many excellent alternatives to the products made by big tech are out there www.eff.org/pages/welcom...
eff.org
Welcome to Opt Out October. Let’s Take Control of Our Data and Our Devices
Big tech companies are hell-bent on taking away our agency and forcing us to use their surveillance-based services, apps, and devices. It’s hard to fight against, and it often feels much easier to giv...
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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.
Movie poster for ‘The Innocents’
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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
DEF CON Singapore 2
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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.
Movie poster for Magnolia
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Xeno Kovah @xenokovah.bsky.social · 21/09/2026
Arbitrary achievement unlocked! "Filling 2 pinboards with badges!"😄 Achieved after this year's @defcon.bsky.social, but I'm hoping that in the future I can also track this achievement via the accomplishments gamification mechanism at #OST2 with all these conferences sponsoring it!🤞🤝😊
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DCG 201 @dcg201.bsky.social · 21/09/2026
Love ye ol' websites from the 90's and early 2000's? Check out this New York City Art Gallery Tonight: WEBSITES WEBSITES WEBSITES! websiteswebsiteswebsites.net @archive.org @retrotechdreams.bsky.social @textfiles.com @defcon.bsky.social
websiteswebsiteswebsites.net
WEBSITES WEBSITES WEBSITES!
A group exhibition celebrating the website as an artistic medium. Armory Week, New York City, September 21–27, 2026. Presented by ARTXCODE and Rhizome.
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Gunnar Hillert @hillert.bsky.social · 10/09/2026
This #AI talk by #BruceSchneier at @defcon.bsky.social was superb! The usage of LLMs to find loopholes in the tax code, our political institutions etc. was quite eye-opening. Our institutions have to adapt fast. I am a little concerned about that… www.youtube.com/watch?v=eEBv...
youtube.com
DEF CON 34 - Hacking AI - Bruce Schneier
YouTube video by DEFCONConference
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disclose.io @disclose.io · 12/09/2026
dnssecuritytxt census, Sep 7: 216 domains publish a security contact in DNS, net +20. New: one.com + 19 more group.one brands (incl. WP Rocket, Imagify), @defcon.bsky.social's defcon.social, Concordia Univ. of Edmonton, Skatteverket, Steno (legal tech). One TXT record: dnssecuritytxt.org
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CoD_Segfault @se.gfau.lt · 17/09/2026
My @rfhackers.bsky.social talk at @defcon.bsky.social #DC34 about the WiFi Shuriken just got uploaded! If you missed it, you can watch it at youtu.be/PQaiwDhtJvc?...
youtu.be
DEFCON 34 RF Village - WiFi Shuriken: A New Architecture For High Performance Scanning
YouTube video by RF Hackers Sanctuary
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Gunnar Hillert @hillert.bsky.social · 18/09/2026
One of the best technical talks I have ever seen—period. Cliff Stoll is killing it in “Stalking the Wily Hacker: 40 Years Later” at #DefCon34 @defcon.bsky.social. It totally made my day! www.youtube.com/watch?v=6560...
youtube.com
DefCon 34 - Stalking the Wily Hacker: 40 years later - Cliff Stoll
YouTube video by DEFCONConference
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STΞVΞ HOLDΞN @sdholden.bsky.social · 05/09/2026
Clifford Stoll's @defcon.bsky.social 34 (2026) talk (titled: "Stalking the Wily Hacker - 40 years later") was awesome >> highly recommend >> easily in my Top Ten of all time (this was my 17th DEF CON) www.youtube.com/watch?v=6560... #so_happy_I_got_a_seat
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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 · 03/09/2026
More early release goodies for you! The live music, pictures, short videos and a bunch more content from DC34 are up on media.defcon.org. And in that spirit, here’s another talk - Bruce Schneier’s presentation ‘Hacking AI’. youtu.be/eEBv0STiYhI Enjoy, and pass it on. #defcon #defcon34
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DEF CON @defcon.bsky.social · 03/09/2026
For your information: The fine folks of DCG Easton (PA) are running a live presentation RIGHT NOW called 'What we did on our hacker summer vacation' which will include their debrief of #defcon34. If you've got the time, show them some love. www.youtube.com/watch?v=MleD... #defcongroups #defcon
youtube.com
DC610 Presents - What We Did On Our Hacker Summer Vacation
YouTube video by Second Order Chaos
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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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Daemon Chadeau @daemonchadeau.com · 31/08/2026
Come and relive my @defcon.bsky.social Main Stage set over on my Mixcloud! www.mixcloud.com/daemonchadea...
mixcloud.com
Defcon 34 Friday Night Main Stage Set
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emptynebuli.bsky.social @emptynebuli.bsky.social · 31/08/2026
I released 9 CVEs and tooling against the ATM supply chain at both @blackhatevents.bsky.social and @defcon.bsky.social this summer. I am pleased to share this was published in the following @wired.com article!! www.wired.com/story/atm-fl...
wired.com
ATM Flaws Reveal Key Weaknesses in the Software Supply Chain
A security researcher discovered nine vulnerabilities impacting ATM encryption and authentication software. But the problems extend far beyond your local cash machine.
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DEF CON @defcon.bsky.social · 01/09/2026
Let’s start the week with an early release talk from DEF CON 34 - this time it’s ‘ESP32 as a counter-surveillance platform’. The humble, reasonably-priced microcontroller and an emerging group of applications, are helping democratize counter-surveillance. youtu.be/PcK-TDmzshc #defcon #defcon34
youtu.be
DEF CON 34 - ESP32 as counter-surveillance platform - Cybertiger, Colonel Panic, The Wrew
YouTube video by DEFCONConference
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DEF CON @defcon.bsky.social · 26/08/2026
The DC34 early release talks roll on with Bill Swearingen’s presentation on defeating facial recognition with a little strategically applied style. Confound the panopticon and keep the look crispy. Wins all around. youtu.be/WyPmt8CE5L4 #defcon34 #defcon #facialrecognition
youtu.be
DEF CON - noRecognition: Could a pattern on clothing fool Facial Recognition? - Bill Swearingen
YouTube video by DEFCONConference
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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
DEF CON Training Middle East
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ZCP 🐈‍⬛😈🎨 Be Spoopy 🎨😈🐈‍⬛ @zombiecheshirepro.bsky.social · 24/08/2026
Super happy with my little #defcon #badgelife collection including @defcon.bsky.social official badges and @dcgothcon.bsky.social ones. I love planning and working on things with my GothCon crew.
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STΞVΞ HOLDΞN @sdholden.bsky.social · 20/08/2026
One of my favorite DJs @missjackalopedj.bsky.social got this cool award from @defcon.bsky.social #cybersecurity #music #dj #rocks #best_stickers ... you can support her work at www.patreon.com/c/Missjackal...
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DEF CON @defcon.bsky.social · 21/08/2026
For your weekend: The first early release talk from DEF CON 34 has made it to our YouTube channel. Please enjoy national treasure Cliff Stoll updating his 'Stalking the Wily Hacker'. If you haven't read 'The Cuckoo's Egg', this is your sign. youtu.be/656058JxTM0 #defcon #defcon34
youtu.be
DefCon 34 - Stalking the Wily Hacker: 40 years later - Cliff Stoll
YouTube video by DEFCONConference
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DEF CON @defcon.bsky.social · 19/08/2026
#defcon34 in the news: @cnet.com edition: www.cnet.com/tech/service... #defcon
cnet.com
Inside Defcon, the Conference That Made Cybersecurity Noob-Friendly - CNET
I arrived alone and unprepared for a world of electronic badges, hacking contests and unwritten rules. By the end, I was already thinking about next year's event.
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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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Amie DD @amiedd.bsky.social · 12/08/2026
If you got one of my unassembled LEGO minifig head SAOs at @defcon.bsky.social, here’s the assembly guide, including an interactive BOM for part placement. amiedd.github.io/brick-head-d.... #defcon34
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STΞVΞ HOLDΞN @sdholden.bsky.social · 13/08/2026
My first draft of my #defcon @defcon.bsky.social 34 (2026) report >> direct download PDF >> blog post TBD >> assets.libsyn.com/show/22036/D...
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Firewalls Don't Stop Dragons @firewalldragons.bsky.social · 14/08/2026
Tune in Monday for my #HackerSummerCamp report ( @defcon.bsky.social + @bsideslv.org ) including mini interviews wit @thedarktangent.bsky.social @naomibrockwell.bsky.social @joshcorman.bsky.social @boblord.bsky.social Subscribe here: firewallsdontstopdragons.com/podcast/
firewallsdontstopdragons.com
Podcast - Firewalls Don't Stop Dragons
I have a weekly podcast called Firewalls Don't Stop Dragons. The show is a mix of cybersecurity news and interviews of prominent people in the industry. But like the book, the shows are targeted squar...
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DEF CON @defcon.bsky.social · 14/08/2026
Attention #defcon34 attendees: the excellent folks of @defconmusic.bsky.social would appreciate your input on how they can keep improving the music side of #defcon. If you could take a moment to fill out their quick survey, we’d be most grateful. forms.cloud.microsoft/r/TaAf8fGBA4
forms.cloud.microsoft
Microsoft Forms
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Charlie Gerard @devdevcharlie.com · 09/08/2026
My friends and I won a CTF! 🥳🥇 Had so much fun hanging out with the Lonely Hackers Club at @defcon.bsky.social Definitely coming back next year!
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bash explode @bashexplode.com · 09/08/2026
dropped a CD of my album at the @defcon.bsky.social sticker wall. finders keepers 🤘
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Jfer @jfersec.bsky.social · 09/08/2026
Went to defcon, and the merch line was nuts! 😆 @defcon.bsky.social Met Jeff M. , Paul N. And Ada Wong what an event! Looking forward to next year.
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Bianca 'BiaSciLab' Lewis @biascilab.bsky.social · 09/08/2026
As DEF CON came to an end I had the chance to talk about DCNextGen at closing ceremonies. If you have kids ages 8-18 bring them to our program next year! 💫💜 @defconnextgen.bsky.social @defcon.bsky.social #defcon #hacker #cybersecurity
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hideouspenguin.bsky.social @hideouspenguin.bsky.social · 10/08/2026
Already missing @defcon.bsky.social friends new and old. See you again next year.
A projected image saying “It’s now safe to turn off your DefCon”
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Phish Stories @phishstories.bsky.social · 10/08/2026
Thank you again to our contestants and to @defcon.bsky.social for making it a great con all around! A new scenario is already being cooked up!
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Bianca 'BiaSciLab' Lewis @biascilab.bsky.social · 10/08/2026
Wore my epic raccoon onesie to the DCNextGen party and was twinning with one of our volunteers 🦝 @defconnextgen.bsky.social @defcon.bsky.social #defcon #cybersecurity #hacker
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Eric Geller @ericjgeller.com · 10/08/2026
New: In a major expansion of its work, @projectfranklin.bsky.social will pay cybersecurity firms to provide free monitoring and protection services to rural water utilities. I talked to organizer Jake Braun all about it at @defcon.bsky.social: www.cybersecuritydive.com/news/water-c...
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rand0h @akacki.net · 10/08/2026
The post @defcon.bsky.social blues don’t get a whole lot easier year to year. Especially when you’re dumb like me and rip yourself out to take the red eye home. Something something be happy it happened at all…
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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
Flyer for the DEF CON 34 after party
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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
DEF CON 34 logo
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Fr. Robert Ballecer, SJ @padresj.bsky.social · 09/08/2026
Thanks @defcon.bsky.social ! See you next year! (Unless it's cancelled) 😇
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Weems @medanarchy.bsky.social · 09/08/2026
I did not make it to @defcon.bsky.social this year but the badge is not just a gadget but it can encrypt data securely and Bunnie the designer claimed that it COULD possibly with the code efficient enough be on the edge of running a unix-based OS to: @wired.com www.wired.com/story/defcon...
wired.com
The New Defcon Badges Pack a Unique Open Source Chip That Doubles as a Security Key
Created by legendary hardware hacker Andrew “bunnie” Huang, the badges for this year’s famed security conference aim to push the boundaries of security and transparency.
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Zee Twii @zeetwii.bsky.social · 09/08/2026
Hey, it's me. Thanks so much for swinging by the AI Village and showing off our work. For anyone who wants it, this is the base repo: github.com/zeetwii/aiPl...
github.com
GitHub - zeetwii/aiPlaysPokemon: A repo for frameworks and tools to let locally run LLMs successfully play Pokemon game
A repo for frameworks and tools to let locally run LLMs successfully play Pokemon game - zeetwii/aiPlaysPokemon
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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
flyer for the DC34 afterparty
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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 · 09/08/2026
Let's learn about the real-time Pokemon bot action at the AI Hacking Village. #defcon #defcon34 @aivillage.bsky.social youtu.be/Egzf_aWSxZc
youtu.be
DEF CON 34 - Video Team - AI Hacking Village - Pokemon
YouTube video by DEFCONConference
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Chris Sistrunk @chrissistrunk.bsky.social · 08/08/2026
I am speechless. Cliff Stoll is a hero of mine, and I finally got to meet him. What an absolute legend and an amazing human. @defcon.bsky.social #DEFCON34
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DEF CON NextGen @defconnextgen.bsky.social · 08/08/2026
Our DCNextGen Tanuki electric badge CTF is a hit this year! Attendees grow their creature from egg to blob to animal by collecting points from each other, and by participating in CTF challenges around the conference! 👩‍💻 @defcon.bsky.social #defcon #cybersecurity #hacker
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DEF CON NextGen @defconnextgen.bsky.social · 08/08/2026
The data duplication village brought our attendees 6 awesome challenges to try out! 😎💙 @defcon.bsky.social #defcon #cybersecurity #hacker
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