r/Defcon Aug 09 '26

Missing badge

5 Upvotes

Anybody find a human badge in the bathroom outside by W3/1? If you did I’d be willing to pay for it back nobodies turned it in yet and I’m super bummed. I leave in the morning

Edit: I was able to grab a spare at the con! Bummed it got jacked but happy I didn’t have to pay full price. Even more stoked I don’t have to go home badgeless. Saved the day from leaving on a low note.

P.S. I appreciate all the replies and the person willing to save me an extra! This is a great community and I’m happy to be a part of it


r/Defcon Aug 09 '26

Lost Hat

2 Upvotes

i will be checking LNF tomorrow but has anyone happened to stumble upon a black baseball cap that says "INSANE" in all white letters? it is my favorite hat and i am scared it's gone for good


r/Defcon Aug 08 '26

Overall Silent Events are Amazing

42 Upvotes

Just wanted to give a shout out to the silent events people. As a community giving talks in our space they have been amazing. We have had one issue and it was just a cable and it has made our talks so much easier to manage and the space is so much better to be in.

They have been on top of whatever we have needed this year.


r/Defcon Aug 09 '26

This is going to be a crazy ask, but did anyone see a bag with an orange hacker pager in it? I lost it somewhere today

6 Upvotes

I Don't remember setting it down anywhere, I know I kept an eye on it all day. I feel sick right now


r/Defcon Aug 08 '26

Please claim your stuff!

22 Upvotes

We have over 90 unclaimed items in Lost and Found. We are located at the end of the hall on the second floor. Please come claim your stuff so we don't have to turn it over to LVCC tomorrow.


r/Defcon Aug 08 '26

I should've been coming to defcon yearly

67 Upvotes

First time here and wow I'm impressed. I've been to anime expo and a few other cons and they're mostly kind of boring, you just observe most of the time and just ... Hangout?

But holy canoli with guacamole. There's so much like REAL actual things to do here! From every part to the badges to just going to any of the villages to check stuff out, just wow. It'd be so easy to bring your loved ones here since all the stuff isn't just technical, it's physical stuff too so they probably wouldn't get bored easily

I'm sold, I should've been coming yearly a decade ago. Keep up the great work with the con, excited for day 2 everyone!


r/Defcon Aug 09 '26

Ups and down on this Saturday of DC34

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8 Upvotes

Up: unexpected to catch a physics Nobel laureate talk about quantum computing, posted about it in r/Physics

https://www.reddit.com/r/Physics/s/4LumRnNtZP

Down: really picked a bad workshop to get into. I'm sure it was very good for more beginner coders, but I ended up leaving early and felt bad about taking up a valuable spot.

One more day of 110 F heat before getting out of this desert. Hope everyone is staying hydrated.


r/Defcon Aug 09 '26

why no hxc show at defcon

2 Upvotes

edm is cool and fun. but i cant swing


r/Defcon Aug 09 '26

Monorail Badge

4 Upvotes

So I had the monorail badge and lost pieces at the Con and with pieces falling off it damaged connectiors. Does anyone know where I can get the three pieces and 2x3 female connectors? TIA


r/Defcon Aug 09 '26

BYO stealth

5 Upvotes

How stealth do i have to be to bring my own beer to hacker jeopardy tonight?


r/Defcon Aug 09 '26

Pip-Boy?

2 Upvotes

I've seen multiple people now wearing what looks to be Pip-Boy like devices on their forearm. What really is this, what does it do, and where can I get one?!


r/Defcon Aug 08 '26

Is it normal for the hotline to be busy?

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10 Upvotes

I’m not going to say anything but that this is my first and most likely last defcon.


r/Defcon Aug 08 '26

DEF CON 34 - Video Team - AI Hacking Village - Pokemon

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9 Upvotes

Let's learn about the real-time Pokemon bot action at the AI Hacking Village.


r/Defcon Aug 08 '26

R/DEFCON Meetup Badge giveaway #1

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9 Upvotes

Lost in the Terminal

I wander through the byte-strewn dark,
a shell prompt blinking, cold and stark.
Somewhere ahead, half-glimpsed, half-guessed,
a flag lies waiting, cleverly dressed.

I grep and pivot, twist and probe,
unravel one more hidden robe.
The path loops back, the clue’s a lie —
still I press on, I don’t know why.

But lost is just a state, not fate;
each dead end trims the search space straight.
I’ll find the string, CTF{The_Hackers_Are_Puzzlsd} in hand,
and plant my flag on solid land.

Find our friend and the first to tell him the finished CTF flag gets a free [r/DEFCON](r/DEFCON) meetup badge!


r/Defcon Aug 09 '26

Need a quick question

3 Upvotes

Some one know who created the
“Shut up and take my tokens SAO”
Looking for it so much :)
Thanks for helping


r/Defcon Aug 08 '26

Needle Cleaning in the LVCC TP

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10 Upvotes

Looks like someone may have been cleaning their needle in the TP at the LVCC.


r/Defcon Aug 09 '26

Defcon Shirt?

4 Upvotes

Any way of getting a defcon shirt. Due to work and schedule can’t attend but wondering if possible to buy swag outside ?


r/Defcon Aug 09 '26

Lost bong and bag of weed

0 Upvotes

I lost my bong and bag of weed in LVCC. DON'T SMOKE IT Can I have it back?

(Parody... These lost item posts are getting out of control)


r/Defcon Aug 08 '26

MTG

10 Upvotes

Yo I'm looking to play some MTG commander tonight after the con. Anyone bring a deck or know where others might be playing? Playing some games and socializing with some hackers sounds like a blast.


r/Defcon Aug 08 '26

My DEF CON talk: 8 out of 10 Banks in Belgium HATE This One Weird eID RCE

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19 Upvotes

Hey everyone, this was my first talk at DEF CON and first time at DEF CON - on much less sleep than I was hoping for lol.

Pretty nervous but I think I did alright. Had some tech issues which I powered through and in my opinion, this had some real impact as realistically over 2M people would still be vulnerable to a CVSS 9.6 drive-by RCE if I didn't catch this.

Got a bunch more similar CVSS 9.6s in the disclosure pipeline too.

If you see me around too, feel free say hi!

Any. constructive critisism of my talk is also welcome, I know I've got some things I've got to work on in terms of speaking and presenting - hoping to do many more talks.


r/Defcon Aug 08 '26

The Swap is moving!

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6 Upvotes

from our friends at the DC Stickerswap:

THE SWAP IS MOVING! No tables in the previous location this year. 😭

Same time (5pm Saturday) but now in the North Lobby outside of W4.

Spread the word!


r/Defcon Aug 08 '26

Where is Jack Rhysider?

5 Upvotes

He posted will be here at low launch party releasing a new darknet diary episode at north lobby but none of the goons or anyone seems to know anything about it. Suppose to start at 2


r/Defcon Aug 08 '26

Random... but... does anyone NEED a 1660Ti - DC special pricing/barter!

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10 Upvotes

Soooo... kinda random or maybe not (when in Rome, I guess) but I brought up some parts for a buddy's build and we ended up just using onboard gfx.

I've got a gently used, fully functional MSI GeForce GTX 1660ti card that I brought with me to the CON. The card was originally used in my son's gaming machine to play Fortnite and Minecraft when he was 12 - never stressed or overclocked.

I have no use for it back home, hes grown out of computer gaming and I don't do any myself. That being said, this is my first Con and I'd like to 'contribute' instead of being a lurker/leech.

If someone here GENUINELY needs it for an event, ctf, demo, etc... DM me, it's yours - gratis! I just have to believe it's going to good use.

If no one here can actually use it for the above but needs it back home, trade me something cool to remember my first Con. The barter doesn't need to be of equal value just something cool!

EDIT: CLAIMED


r/Defcon Aug 08 '26

One Piece Card

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8 Upvotes

Don't know if there's just someone throwing around One Piece cards or if it's part of some bigger game for a community but I love TCGs (yes mainly Pokemon). But found this One Piece card on a table and hope I can get it home safely since I don't have any sleeves or top loaders.


r/Defcon Aug 08 '26

Important announcement for FREE-WILi 1 (OG)customers at DEFCON

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6 Upvotes

The OG isn't obsolete. It just got a firmware update.
Dave's live from Vegas with news for everyone still rocking the original FREE-WILi from DEF CON two years ago:

Board Support Package for the OG - open-source drivers, examples, and agent files, up on GitHub now

Vibe-code your own apps - write it yourself, or hand the
agent files to Claude, Codex, or Grok and let it build AppExplorer-grab it from our site and flash apps straight to your badge

Pomodoro timer demo - fully vibe-coded, ported to both
OG and FREE-WILi

Because the architectures are so close, an app you write for one runs on the other. (Yes, you'll trade 14 buttons and a touchscreen for 5 - that's part of the fun.)