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Posts by DEF CON

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#DEFCON34 Workshops Update

The call for #workshops is still open! If have a technical, hands-on presentation to share with the #defcon community, get your application in and let’s make that happen. All the info you need to get the ball rolling is at defcon.org/html/defcon-....

5 days ago 6 4 0 0
Preview
Opinion | Iran is trying to turn off America’s water Many water facilities lack basic cybersecurity measures, making them vulnerable to adversaries.

DEF CON in the news:

Jake Braun from the #defconfranklin project has a piece in the @washingtonpost.com this week. You can read more about the project at defconfranklin.com.

www.washingtonpost.com/opinions/202...

1 week ago 6 1 0 0
Shadow of the vampire movie poster

Shadow of the vampire movie poster

#defconmovienight continues this Saturday at 8pm PDT with ‘Shadow of the Vampire’ Starring John Malkovich and Willem Defoe. Join us in the movie-night-text channel of the Discord (Discord.gg/defcon) for the Inception of Vampire thriller comedies.

1 week ago 7 0 0 0
DEF CON Singapore talks now live!

DEF CON Singapore talks now live!

DEF CON SINGAPORE UPDATE!

You can now find the full list of speakers online at defcon.org/html/defcon-....

If you need tickets, visit our shop at sg.shop.defcon.org.

Just a few weeks away now. We can’t wait to see everyone!

#defcon #defconsingapore

2 weeks ago 5 0 0 0
Registration is open for DEF CON Training Las Vegas 2026

Registration is open for DEF CON Training Las Vegas 2026

DEF CON Training Las Vegas 2026 Course Lineup is now live!

1-day, 2-day, and 4-day classes! Whatever your needs, there’s something here for you!

Details here: training.defcon.org

#DEFCON #DEFCONTraining #LasVegas #DC34 #Cybersecurity #Training

2 weeks ago 5 0 2 0
Preview
UBC competitive hacking team to organize this year’s top-tier cybersecurity competition Team of computer sci

#defcon34 CTF in the news: Meet the #benevolentbureauofbirds edition.

#defcon

www.cs.ubc.ca/news/2026/03...

2 weeks ago 11 2 0 1
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I will say this about @_nunoalmeida_ he’s a great camera man and the video we shot for my @covertswarm.bsky.social training at @blackhatevents.bsky.social & @defcon.bsky.social is AMAZING (also amazing I survived it! Here’s a screenshot from it) 😁 #HackerAdventures

3 weeks ago 14 1 0 0
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DEF CON® Singapore Hacking Conference - Demo Labs Wednesday at 15:00 for 45 minutes, at Demo Labs Track 1

#DEFCONSingapore Demo Labs are live!

defcon.org/html/defcon-...

There's a full slate of fascinating open-source tools and projects to learn about, so make sure to schedule some into your #defcon plans.

See you soon. Just a month to go!

3 weeks ago 7 0 0 0
Video

In case there was any doubt, it’s official! The Aerospace Village will be back at @defcon.bsky.social!!

This will be our 8th year, really??!!, and the team is putting together another great collection of expert speakers and hands-on activities covering all aspects of aviation and space infosec.

3 weeks ago 5 2 2 0
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As if that wasn’t enough. Our homegrown, space-hacking CTF, STARPWN, is now an official @defcon.bsky.social Contest!

📡 Want to try your hand at hacking satellites, spacecraft and ground control systems?

🛰️ Miss out on Hack-A-Sat?

🛸 Want to explore the final frontier of cybersecurity?

3 weeks ago 5 3 1 0
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doing some packing for @atmosphereconf.org and found a bunch of old stickers from @defcon.bsky.social 27. these are my favorites.

3 weeks ago 36 1 4 0
The Machine Stops by EM Forster

The Machine Stops by EM Forster

First #defcon34 reading assignment!

As you may know, the DC34 theme is 'Agency'.

The story 'The Machine Stops' by E.M. Forster contemplated a situation very like our own all the way back in 1909. TH

Read, enjoy and share your thoughts.

www.gutenberg.org/ebooks/72890

#defcon #Homework #agency

3 weeks ago 21 3 3 2
Chatting with NEW DEF CON CTF Organizers: Benevolent Bureau of Birds | 025 CTF Radiooo
Chatting with NEW DEF CON CTF Organizers: Benevolent Bureau of Birds | 025 CTF Radiooo YouTube video by CTF Radiooo

#DEFCON34 #CTF alert!🚨

Get to know the minds behind this year's CTF competition as our new organizers #BenevolentBureauofBirds guest on the #CTFRadiooo podcast. Backstory, process and some peeks into the coming contest.

It's beginning to feel a lot like #defcon 🎶

youtu.be/sIRU-aTc71g

1 month ago 16 2 0 1
Boxing ring with DEF CON and Hacker Jeopardy logos

Boxing ring with DEF CON and Hacker Jeopardy logos

Hacker Jeopardy alert! #defconsingapore is looking for a host!

Hosting #hackerjeopardy takes a special blend of poise under pressure, technical acumen and sparkling wit. If you think you’ve got what it takes to put your stamp on the legendary contest, get your bid in!

defcon.org/html/defcon-...

1 month ago 11 5 1 0
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Oh yes before I have my ice cream & start my 3 hour ride back and bring my 12 hour #HackerAdventures ride to an end!

I want to make sure to announce that @covertswarm.bsky.social & I will be training at @blackhatevents.bsky.social & @defcon.bsky.social this year all new concepts & content!
🥳🥳🥳

1 month ago 20 1 2 0
Movie poster for Midnight Run

Movie poster for Midnight Run

#defconmovienight is back tomorrow with the underrated comedy chemistry of Charles Grodin and Robert DeNiro in the comedy thriller ‘Midnight Run’. Join us at 8pm PDT in the movie-night-text channel of discord.gg/defcon. Potatoes lyonnaise optional, but we hear they’re quite delicious.

1 month ago 9 0 1 0
DEF CON Middle East Logo

DEF CON Middle East Logo

We’ve got dates for this year’s event in Bahrain!

Following a very successful event in 2025, #DEFCON and #DEFCONTraining are returning to Bahrain for #DEFCONMiddleEast.

Training will be held November 8-10 and DEF CON Middle East will be November 11-12.

We hope you’ll save the date. Updates soon.

1 month ago 10 2 1 0
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This is what it’s all about. Looking forward to seeing you all, too.

1 month ago 12 0 0 0
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In these challenging times, its hard to explain what family is. TRUE family, stands together, laughs together, cries together, and changes the world together! This is our #DC540 Chapter #DEFCON family! Looking forward to seeing our extended family in August! @defcon.bsky.social

1 month ago 9 2 0 1
def con logo in DEF CON 34 colors

def con logo in DEF CON 34 colors

#DEFCON34 's theme is ‘Agency’. We’re focusing on self-determination in our use of tech.Charting our own course and helping others do the same.

Let’s move our valuable attention to tech that supports our agency. Let’s find the places we can help & choose to act.

defcon.org/html/defcon-...

1 month ago 34 11 3 0
DEF CON 34 Online registration is open

DEF CON 34 Online registration is open

The wait is over. #DEFCON34 Online Registration is open and #defcon season is officially underway!

Register now to take advantage of the Early Bird pricing. And for the serotonin hit that comes from checking something off your TO DO list early.

Get your ticket at us.shop.defcon.org.

1 month ago 10 2 0 0
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DEF CON hackers 'fed up with government,' Jake Braun says Interview: Jake Braun thinks hackers need to create a 'Digital arsenal of democracy' to defend us all

DEF CON in the News: Franklin Project Edition

www.theregister.com/2026/02/28/d...

1 month ago 19 4 0 0
Benevolent Bureau of Birds logo

Benevolent Bureau of Birds logo

Please welcome the #defcon34 #CTF organizers, Benevolent Bureau of Birds!

You can sample their wares in the #DC34CTF Qualifier Round, May 22-24, 2026.

The Birds are online at bbbirds.org.

Info about our legendary CTF: www.defcon.org/html/links/d....

We hope we'll see you in the arena.

1 month ago 19 8 0 1
DEF CON Singapore logo, date and location

DEF CON Singapore logo, date and location

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!

1 month ago 6 0 0 0
DEF CON 33 - So you want to make a badge? Badge Creation 101 - Jeff Geisperger
DEF CON 33 - So you want to make a badge? Badge Creation 101 - Jeff Geisperger YouTube video by DEFCONConference

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?...

1 month ago 13 5 0 1
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Apocalypse Now movie poster

Apocalypse Now movie poster

#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.

1 month ago 12 1 1 0

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:

1 month ago 10 3 2 0
Harold and Maude movie poster

Harold and Maude movie poster

#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

2 months ago 9 1 0 1
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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

2 months ago 7 5 1 0
Pictures of the hotels with DEF CON room blocks

Pictures of the hotels with DEF CON room blocks

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!

2 months ago 33 14 0 2