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DEF CON 33 Hacking Conference

News

Aug. 7-10, 2025

Las Vegas Convention Center
in Las Vegas, NV



Early Online Pre-Reg: $540 USD
by May 23

Regular Online Pre-Reg: $560 USD
May 24 - July 18

Late Online Pre-Reg: $580 USD
July 18 - Aug 1

Cash On-site: $500 USD

DEF CON 33 Videos are Live on YouTube!

DEF CON 33 and youtube logos

Good thing there's a weekend coming up - the #defcon Youtube channel has dropped a few hundred DEF CON 33 videos for your leisurely perusal. Clear your schedule and let the dc33 Main Stage and Creator Stage Talks wash over your thirsty brain.

Even more dc33 village and music goodness on the way.

As always, enjoy and pass it on.

Sampling of headlines from DEF CON 33

press sampler

Another DEF CON is in the books, and as usual we made a little news. Here's a few of the stories that came out of DEF CON 33. Watch this space for the full roundup soon.

Wired: A Special Diamond Is the Key to a Fully Open Source Quantum Sensor

Wired: Ex-NSA Chief Paul Nakasone Has a Warning for the Tech World

ABC News: 'Hacker-volunteers' set to help water utilities with cybersecurity

NBC Chicago: Inside Defcon: What Happens at the Annual Hacker Convention

MENAFN: Phishing-Resistand Passkeys Shown To Be Phishable at DEF CON 33

CSO Online: 'Win-DDoS': Researchers unveil botnet technique exploiting Windows domain controllers

NAI500: DARPA's AI Cyber Challenge Puts CRWD, PANW, MSFT on Notice as Theori Snags $1.5 Million at DEF CON

Hacker News: Linux-Based Lenovo Webcams' Flaw Can Be Remotely Exploited for BadUSB Attacks

Mobileworld: Critical Zero Trust Security Flaws Exposed at DEF CON 33, Affecting Major Enterprise Vendors

Yahoo Finance: DARPA touts value of AI-powered vulnerability detection as it announces competition winners

TechCrunch: After researchers unmasked a prolific SMS scammer, a new operation has emerged in its wake

Thanks for a Fantastic DEF CON

def con video wall

DEF CON 33 is winding down now, and we want to take a moment to thank the whole DEF CON community for another amazing year. Thank you for bringing your boundless energy and curiosity to this little party we throw. Thank you for spending another long enchanted weekend teaching each other, learning from each other, and partying with each other.

It’s good to spend some time with your people.

As always, if you want to keep that DEF CON feeling going all year long, consider joining a DEF CON Group. If you can’t find one close to home, consider starting one. Join our Discord. Start a project you might want to share next year.

Thanks for sticking with us through the last few crazy years. Know that we’re already scheming how to make next year even better.

DCTV is Live!

dctv

DCTV is online! Jump on dctv.defcon.org for links to the DEF CON 33 live streams on YouTube and Twitch.

Get that DEF CON however works best for you.

Badge Shipment Delay

badge delay

As you’ve likely heard, attendees in the cash line are getting paper badges right now. This is due to a badge shipment delay. We’re sorry for the inconvenience. We will share updates as soon we have them, and we’ll do our best to make it right. Thanks for your understanding.

Stay in touch with DEF CON socials and Hacker Tracker for updates as soon as they arrive.

Pool Party Thursday at Sahara!

Sahara Pool

Greetings, luminous humans of DEF CON! Welcome to the week of DEF CON 33!

Make sure to join us Thursday from 7:30 to 10:30 at the Sahara Pool for the KEVOPS Sellout Pool Party! Refreshing pool, delicious tacos, and DEF CON DJ’s on the ones and twos. DEF CON badge required for entry.

See you there!

Workshops Registration announced!

lawsuit update

Registration for DEF CON workshops will open at precisely noon Pacific Daylight Time on July 15. It's a good idea to have your clicking device oiled up and sighted in - spaces get snapped up very quickly.

The full lineup is on the Workshops Page. Get your faves and alts all lined up for maximum efficiency.

It's happening, people. Feel free to get amped.

Speakers and Workshops are Live!

speakers and workshops

Who's speaking on the main stages at DEF CON? What DEF CON Workshops are going to be available? Inquiring minds want to know!

Lucky day for you, curious netizens. The listings for both are live now on the #dc33 website. Familiarize yourself with the lineup, and make your plans accordingly.

Final stretch people. DEF CON positively LOOMS on the horizon!

Workshops submission responses are out!

Workshops update

Friendly reminder to all Workshops CFP submitters: Responses have gone out! If you don't see a response to your submission in your inbox, please check your spam folder.

Thanks to everyone who sent in a submission and congratulations to everyone that's been selected.

Parties, Meetups, & Events Page is live!

Parties, Meetups, and events page screen cap

Less than two months until DEF CON 33! Time to start planning to make the most of your DEF CON experience.

One of the best parts of DEF CON is meeting other humans and bonding over shared interests. On the Parties, Meetups and Events page you'll find a shockingly comprehensive list of group hangs. Whether you're into Running or Ham Radio, Blanket Forts or Karaoke, we've got you covered.

Set aside some time for fun and connection. Your people are waiting.

DEF CON 33 Lodging Update

DEF CON 33 logo with lodging update underneath

DC33 planning alert - The DEF CON room block at the Fontainebleau is sold out. The blocks at the Sahara and Venetian are filling up. To lock down your own deep DEF CON 33 discounts visit defcon.org for the reg links.

August will be here before you know it. Make sure you plan accordingly.

See you soon!

Call for Authors!

stack of books glitched with DEF CON 33 logo

Attention independent authors! DEF CON 33 is offering a space for book signings in the Vendor area. If you've got a book that will appeal to the DEF CON Community, we encourage you to submit it for consideration.

Get your work (and yourself) in front of a vibrant, engaged community of enthusiastic readers.

DEF CON 33 Short Story Contest!

Short story contest open with hands typing

Attention all scribes and tale-weavers of the DEF CON community - the DEF CON 33 Short Story Contest is open for business! It takes place entirely online - you can find the details at https://forum.defcon.org/node/252691.

The theme is Access Everywhere. In addition to literary glory, you can also win free human badges for DC33.

let's GO.

DEF CON Training Las Vegas Registration Now Open!

DEF CON Las Vegas Training Registration

DEF CON Training Las Vegas Registration is officially open! Expanded menu includes dozens of course options, new 4-day trainings and a $200 earlybird discount. Join us in August for DEF CON style hands-on technical training from our world-class trainers. Information and signup at training.defcon.org. Reserve your spot now!

DEF CON 33 Deadline Alert!

DEF CON 33 deadline alert

Friendly reminder to #defcon people everywhere 🚨

The open calls for DEF CON 33 Contests, Villages and Communities close March 15. If you've got a cool idea to propose, now is the time!

Fortune favors the bold. Let's GO.

DEF CON 33 Theme Drop!

DEF CON 33 theme

"Access Everywhere."

This year we're thinking about how to make information and services available to everyone. Available wherever you are, whoever you are, and usable no matter how you need to connect.

Less walled gardens, more sunlight.

You can read the theme story and get some visual inspiration on the DEF CON 33 Theme and Style Guide page. You can get it in a PDF on media.defcon.org. Homework assignments to get you into the vibe coming soon.

We can't wait to see where you'll take it.

See you at DEF CON!

Pre-reg for DEF CON 33 opens 3/5!

laptop with DEF CON 33 ticket on screen

DEF CON 33 is building steam. Planning is in full swing. In fact, a glance at any nearby calendar will tell you we're already halfway there!

We know you need to plan, too. That's why we're opening up Early Bird Online Registration. For the go-getters who register early, weve got our lowest online price. And just like in years past, registering online guarantees your badge, no matter what the attendance numbers turn out to be.

Starting Wednesday you'll be able to hit up shop.defcon.org to get your ticket. Are you ready?

The Early Reg price is $540 ($520 +$20 processing fee.) Early Bird season ends May 23.

Regular Pricing is $560 ($540 + $20 processing) and is available until July 18.

Late Pricing is $580 ($560 +$20 processing) from July 19 to the close of Online Registration.

As always, online registration is not required. The cash-at-the-door price is just $500, and it comes with the bonus of our world-famous LineCon.

We're very excited about how DEF CON 33 is shaping up. We hope you are too. Past the halfway point, people. Let's GO.

New Calls Open! CFP, Workshops, Demo Labs, and Policy!

DEF CON 33

The DEF CON 33 Call Season is now almost complete! The Call for Papers is LIVE. We're also ready to accept submissions for Demos, Workshops, and Policy. Things are well and truly underway. Time to breathe deep, gather your ideas and get busy proposing.

For the comprehensive list of open calls, visit the DEF CON 33 Call Index. Rules, guidance, deadlines – it's all there.

Participation is the cheat code that unlocks the secret DEF CON levels. We can't wait to see what you've got in mind.

DEF CON 33 Open Calls!

DEF CON 33 Open Calls

The moment has arrived - the DEF CON 33 Call Season is officially afoot! Time to get thinking on how you want to participate. Whether you've got ideas to start a new Village, or have the tunes to rock the crowd after hours, the doors are open. There are a bunch of Calls you can peruse at leisure from Contests to Soundtrack to Vendors, and all the info you need to get started is on the DEF CON 33 Call Index.

Don't let your dreams be dreams! Make this the year your idea makes headlines at DEF CON.

DEF CON season is underway, people. Let's get after it.

DEF CON CTF Quals Dates Announced!

CTF qualifier dates

DEF CON 33 CTF Qualifcations have a date! "Packet sorcerers, make room in your calendar for the official qualifier event for #defcon 33 CTF! Our esteemed colleagues at the Nautilus Institute are hard at work building the challenges - can you afford to do less?"

Further information available at https://nautilus.institute. The long season of preparation begins.

New Room Block for DEF CON 33: Fontainebleau!

Fontainebleau Hotel

Another discounted room block for DEF CON 33 has dropped! This time it's at the ultra-swanky Fontainebleau, just a short walk from the LVCC. To book yourself into the Fontainebleau, you can call (833) 702-7272 between 6am to 10pm (PST) or use this link: https://book.passkey.com/go/DefCon2025FBLV. You can also reach the link from defcon.org. Maybe it's time to treat yourself. 2025 will be here before you know it.

DEF CON 2025 Call for Trainers is Open!

DEF CON Training logo

Attention DEF CON educators ! The DEF CON Training 2025 Call for Trainers is live!

We're looking for unique, technical, and practical presentations from trainers with deep knowledge of their subject. If that's you, let's talk!

All the info you need to apply is at training.defcon.org.

Room block now open at the Venetian for DEF CON 33!

Sahara and Venetian hotels

Good news, everyone! We've already got some discounted room blocks you can use to lock down your lodgings for DEF CON 33.

DC33 doesn't kick off until August 7, 2025, but that's no reason to lollygag. If you're a high-octane go-getter you already know how good it feels to get those To-Do items checked off early. If not, this is far enough ahead to forget you booked and give yourself a nice surprise when there's one less thing to do at crunch time.

You can book at the Venetian now and get the DC33 ball rolling. We'll keep you posted as additional options become available.

We're already 2 months closer to the next DEF CON. Be prepared.