DEF CON Hacking Conference

Hotel Room Blocks for DEF CON 34 are Open!

Posted 2026-02-14

Good news, everyone!

The DEF CON 34 room blocks are live! While supplies last, you can get a special room rate at the following hotels:

Fontainebleau
Swanky, luxurious and conveniently located across the street from the LVCC. For those who must be first in line.

Sahara
Legendary Vegas spot with next-level pools and right on the monorail.

Wynn and Encore
Lovely accommodations and tons of cool places to eat and be entertained.

Circus Circus
Budget friendly and has a haunted house AND an arcade. We promise the clowns are friendly.

We're halfway there. DEF CON 34 will be upon us before you know it - be prepared and save yourself some coin.

See you soon!

Posted 2026-02-12

The DEF CON 33 Hackers' Almanack translates a year of hacker research into plain language for policymakers—covering offensive AI, cybercrime, authoritarian surveillance, and critical infrastructure vulnerabilities.

This isn't a marketing report. It's a reality check.

Posted 2026-02-05

DEF CON 34 Update! All of the calls for DC34 in Vegas are now live, including the Calls for Papers, Workshops, Demo Labs, and Policy. If you're looking to participate in a creator capacity, the submission doors are open and the clock is running. Choose your adventure.

Posted 2026-02-02

Good news,everyone! We consulted the groundhog and DEF CON 34 content call season is officially open!

Starting today, the calls for

Villages
Contests
Communities
Parties
Meetups
Events
Music
Soundtrack
Authors
Vendors
Exhibitors
Sponsors
Press Reg

Are all ready to accept your submissions.

CFP, Workshops, Demo Labs and Policy calls will open shortly.

Let's go.

Posted 2026-1-29

The wait is over. Online registration is now open for our very first DEF CON Singapore! It's all happening at the Marina Bay Sands, April 28-30. Online registration will be open until April 24, but if you secure your spot before February 15 there's an Early Bird discount available, along with a Student discount.

To learn about the speakers, contests, events, villages and other DEF CON fun we're bringing to Singapore, visit the DEF CON Singapore site.

DEF CON Singapore Training registration is open as well! Join us before the conference (April 26-27) If you're looking to level up your skills with some intense, hands-on education from our world class trainers. Sessions and pricing are online at the DEF CON Training site.

We're excited to bring the DEF CON experience to Singapore, and we're inspired by all the local and regional communities and talent we've brought on board to help make this a unique event.

Tickets for the conference and the trainings are waiting for you at the DEF CON Singapore Shop.

See you in Singapore!

Posted 2026-1-22

Big website updates for DEF CON Singapore!

You can now find information on many of the Villages, Contests, and Communities you'll find when you join us in April. We hope you'll take some time to get familiar with the lineup, and maybe even begin getting your DEF CON strategy together.

We look forward to sharing more in the coming days. See you soon!

Posted 2026-1-6

The DEF CON Training Singapore course lineup is now live!

We're thrilled to share the full slate of courses for the first-ever DEF CON Training Singapore! Join us in April for hands-on, skills-forward trainings led by top practitioners from across the community. Whether you're sharpening fundamentals or diving deep into emerging threats and advanced techniques, there's something here for you!

Explore the full lineup and course details.

Spots go fast, so take a look, grab your seat, and get ready to learn and build.

Early bird pricing available now until February 8. See you in Singapore 🇸🇬

Happy New Year!

Posted 2026-1-1

Heartfelt thanks to the DEF CON community for your support in 2025. Here's hoping your 2026 exceeds your dreams.

We've got big plans for the New Year. In addition to DC34 in Las Vegas we're returning to Bahrain and adding DEF CON Singapore. New CTF runners. More trainings. We're excited and we hope you are, too.

Keep in touch with us for updates and deadlines. Look out for each other. See you soon.

Posted 2025-12-4

We're excited to announce that the Call for Trainers is now OPEN for DEF CON Training Las Vegas at DEF CON 34!

Are you passionate about cybersecurity, hacking, and hands-on learning? Do you have expertise in emerging threats, defensive strategies, or cutting-edge security techniques? We want to hear from you!

Visit training.defcon.org to submit your application by January 12, 2026.

DEF CON Singapore Calls for Papers and Demo Labs are Open!

Posted 2025-12-3

Good news, everyone! The DEF CON Singapore Calls for Papers and Demo Labs are now OPEN. If you've got a presentation or an open source project that you want to share with the DEF CON community at our first ever Singapore event, it's time to get your submission ready. The deadline is Feb 15, 2026, and it will be here before you know it. Don't delay.

We can't wait to see what you're cooking up.

DEF CON 34 and 35 Dates!

Posted 2025-10-29

Good News, Everyone! We have the official dates for DEF CON 34! And to make up for the delay, we also have the dates for DEF CON 35!

Please join us at the Las Vegas Convention Center August 6-9 in 2026 and August 5-8 in 2027.

Save the dates, friends. It'll be here before you know it.

See you there.

Posted 2025-10-14

DEF CON Creators alert! The Call is open for Creators! Got an idea for a Contest, Village or Community you'd like to see at DEF CON Singapore? Get your submission in and let's work together to bring your ideas to life. The info you need is on the DEF CON Singapore Call for Creators form . Let's make something amazing!

Posted 2025-10-10

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.

Posted 2025-10-09

After four excellent years, Nautilus Institute is retiring from running the official DEF CON CTF. That means the search is on for the next team to run the world's premier CTF competition. Is it your turn? Is your crew the future of live hacking competitions?

Successful applicants are:

• Fanatically dedicated.
• Radically resourceful.
• Diabolically clever.
• Disrespectful of boundaries.

Selected crew receives:

• The freedom to bring your vision to the best CTF squads on Earth.
• Glory that echoes through eternity. Your name alongside immortals like Nautilus Institute, Order of the Overflow, LegitBS, DDTEK, Ghetto Hackers and The People.
• The satisfaction that comes from knowing you raised the bar and changed the CTF game forever.
• The thanks of a grateful community.

If this sounds like you, get the details at The DEF CON Call for CTF Organizers Page, and take the first step towards your destiny. Glory awaits.

Posted 2025-10-07

DEF CON Training is headed to Singapore!

In April 2026, the first-ever DEF CON Singapore, co-hosted with @ HTX (Home Team Science & Technology Agency) and @ Centre for Strategic Infocomm Technologies (CSIT), will kick off with two days of world-class instruction on cutting edge topics.

Want to join us? The Call for Trainers (CFT) is now open and accepting applications until 11:59 pm PT on November 10.

Be sure to take a look at the list of topics of interest to provide your application the greatest chance of success.

Send submissions and questions to training@defcon.org. We hope to see you there!

Posted 2025-09-16

The DEF CON Franklin project got some coverage on NPR!

To learn more about Franklin's mission to connect volunteers to under-resourced infrastructure organizations, please stop by defconfranklin.com.