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DEF CON

74Score
Apr. 28-30, 2026Las Vegas, NVMarina Bay Sands28,000+ attendees

Yellow AI Summary

DEF CON is an annual hacker convention that convenes over 28,000 attendees in Las Vegas, Nevada, featuring talks, contests, and interactive "Villages" focused on practical skill-building in areas like hacking, cybersecurity, and AI. Established as a community-driven event, its format emphasizes informal networking and knowledge exchange, often referred to as the "hallway track," alongside structured presentations and competitions such as Capture The Flag. The conference's recent themes, like "Agency" in DEF CON 34, reflect its commitment to exploring contemporary cybersecurity challenges and translating complex hacker research for broader understanding, as seen in the DEF CON 33 Hackers' Almanack.

Yellow Score Breakdown

Audience Quality
16/30
Industry Focus
25/25
Attendee Feedback
15/25
Press Reviews
18/20
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Yellow's Take

This cybersecurity event's massive 28,000+ attendee scale and deep niche focus on hacking enthusiasts, as evidenced by speakers like DEF CON Organizer Nikita and the "Hackers and Healthcare" panel, present a unique, albeit potentially challenging, audience for B2B marketers. While the sheer volume of attendees is a clear draw, the absence of readily available exhibitor pricing suggests a need for direct outreach to understand the full investment required for a presence. The event's tight alignment with Black Hat further amplifies its specialized appeal within the security sector.

Attendee/Press Sentiment

Attendee Feedback Sentiment

This is the most spacious, air conditioned place we have ever had. No hot rooms and crowded hallways — room to breathe.

Reddit r/Defcon - 20+ Year Attendee Review

Press Reviews

DEF CON 34's theme is Agency — self-determination against dark patterns embedded in apps that circumvent our will.

DEF CON

If you want to experience what it's like to be surrounded by thousands of other hackers with similar mindsets, DEF CON is for you. The Villages are consistently the highlight for practical skill-building.

Medium - Roberto

DEF CON is an annual hacker convention featuring talks, contests, villages, and community events — one of the most respected globally.

siberX

DEF CON is not a traditional conference — it's a community event. The hallway track is where the real value happens. You always meet cool people everywhere.

Reddit r/Defcon

The DEF CON 33 Hackers' Almanack translates a year of hacker research into plain language for policymakers covering offensive AI.

DEF CON

I have had so much fun with in-progress CTFs. Blue Team Village in particular scratches that itch incredibly well.

Reddit r/Defcon

Moving the Red Team Village downstairs was a huge improvement — the previous room was far too small, forcing long lines.

DEF CON Forums

It's fun, but I don't know how 'worth it' it is when you can just watch the talks on YouTube. The real value is the hands-on experience and community connections.

Reddit r/Defcon

Introducing the New DEF CON CTF Organizers: Benevolent Bureau of Birds — shifting focus toward agentic tools and autonomous hacking.

DEF CON

Topics

HackingCybersecurityCapture The FlagAIAgency

Speakers

Nikita

DEF CON Organizer and Director of CFP

Aditya K Sood, PhD

Presented at DEFCON

Christian “quaddi” Dameff, MD

Hackers and Healthcare: A Call To Arms

Jeff “r3plicant” Tully, MD

Hackers and Healthcare: A Call To Arms

Leah

3n_ion

Paul F. Renda

A PRIMA ON AN INTERNET DOOMSDAY WORM

Chris "The Suggmeister" Sumner

Don't Forget About the Q&A Sessions

Jack Daniel

How Did We End Up Like This?

Past Speakers (2024)

Jeff Moss

Founder, DEF CON (The Dark Tangent)

Cory Doctorow

Author and EFF Special Advisor

Anne Neuberger

Deputy National Security Advisor for Cyber

Rob Joyce

Former NSA Cybersecurity Director

Perri Adams

Program Manager, DARPA AIxCC

Exhibitor & Booth Pricing

8x8 Booth1 vendor badge included
$1,600
10x10 Booth1 vendor badge included
$1,985
10x10 Endcap2 vendor badges included
$2,180
10x20 Booth3 vendor badges included
$4,217
10x30 Booth4 vendor badges included
$6,281
20x20 Island4 vendor badges included
$8,280
20x30 Island5 vendor badges included
$11,554
30x30 Island5 vendor badges included
$14,085

Sources: DEF CON Official

Prices are approximate and may vary. Verify with official sources.

Coupons

No coupons found for this event.

Sponsors

DEF CON Villages
Electronic Frontier Foundation
Hacker One
Offensive Security
PortSwigger
Rapid7
Trail of Bits
NCC Group

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