DEF CON 34 — Las Vegas 2027 | Complete Guide

💀 DEF CON 34 — Las Vegas, USA

The world's largest and oldest hacker convention, drawing 25,000–30,000 attendees. Known for its villages (AI, social engineering, car hacking, and more) and its highly practical, boundary-pushing security research.

📅 August 6–9 📍 Las Vegas Convention Center, USA 👥 25,000–30,000 hackers 🎯 Community · Offensive · Hands-on

📌 Executive Overview

DEF CON is the oldest and largest hacker convention on Earth — a community-driven, non-commercial gathering where security research, art, and mischief collide. There are no vendor booths and no suits required: the badge itself is a hardware hacking challenge, and the famous villages turn the venue into a hands-on laboratory. Over four days, DEF CON 34 runs several parallel worlds at once — deep technical talks, live competitions, hardware labs, and one of the densest concentrations of offensive security talent anywhere in the world.

Synoptic timeline schema of DEF CON 34 across August 6-9 — Fig. 1 — Synoptic schema: DEF CON 34 timeline across four parallel tracks (August 6–9).

Item	Detail
Event	DEF CON 34
Dates	August 6–9 (Thursday–Sunday)
Location	Las Vegas Convention Center, Las Vegas, Nevada, USA
Expected attendance	25,000 – 30,000
Format	Talks · Villages · Contests · Hands-on labs · Social events
Access model	Single badge, no vendor expo, community-run content
Core audience	Hackers, security researchers, red teamers, students, makers
Companion events	Black Hat USA (Jul 31 – Aug 5), BSidesLV, The Diana Initiative

Synoptic matrix matching DEF CON villages to format and skill level — Fig. 2 — Synoptic matrix: matching each village to its format and skill level.

💀 DEF CON 34 — The Hacker's Annual Homecoming

📅 August 6–9 📍 Las Vegas Convention Center, USA 👥 25,000–30,000 hackers 🎯 Community & offensive culture

DEF CON is the oldest and largest hacker convention on Earth — a community-driven, non-commercial gathering where security research, art, and mischief collide. No vendor booths, no suits required: the badge itself is a hardware hacking challenge, and the famous villages turn the venue into a hands-on laboratory. Talks are raw, unfiltered, and often push boundaries that mainstream conferences will not touch.

Villages: AI, Social Engineering, Car Hacking, Bio Hacking, Ham Radio, Lockpicking, Voting Machines, Packet Hacking, and more.
Contests: Capture The Flag (CTF), Scavenger Hunt, and the iconic "Spot the Fed" game.
Talks: practical, deeply technical research — exploit development, hardware attacks, AI abuse, and privacy tooling.
Community: the beating heart of hacker culture — everyone from teenagers to intelligence officers mixes freely.

💡 Why attend: If you want to understand where offensive security is actually going — and meet the people breaking tomorrow's systems today — DEF CON is irreplaceable.

DEF CON 34 electronic badge illustration

DEF CON main track talk stage illustration

DEF CON 34 visuals — badge hacking, villages, CTF finals, and the main track.

🏘️ The Villages — DEF CON's Hands-On Core

Villages are self-organised, community-run zones dedicated to a specific domain. Each one runs its own talks, workshops, labs, and competitions, and most are beginner-friendly. They are the single best reason to bring a laptop and four free days.

🤖 AI Village

Adversarial machine learning, prompt injection, model extraction, and red-teaming of agentic systems.

🎭 Social Engineering

Live vishing and pretexting challenges, OSINT tradecraft, and the famous Social Engineering CTF.

🚗 Car Hacking

CAN bus analysis, ECU exploitation, keyless entry bypasses, and vehicle teardown labs.

🧬 Bio Hacking

Medical device security, DNA sequencing threats, implant research, and wet-lab hardware work.

🔓 Lockpicking

Physical bypass, impressioning, safe manipulation, and a timed contest open to complete beginners.

📡 Ham Radio

SDR, RF exploitation, satellite hacking, and antenna-building workshops.

🗳️ Voting Machine

Hands-on teardown of real voting hardware and public-interest election security research.

📦 Packet Hacking

Network forensics, protocol abuse, traffic analysis, and defensive monitoring techniques.

🏆 Contests & Competitions

Contest	Format	Skill Level	Host
Capture The Flag (CTF)	Team-based jeopardy + attack/defense finals	Advanced	CTF Organisers
Social Engineering CTF	Live vishing and pretexting against real targets	Intermediate	SE Village
Car Hacking CTF	Hardware and CAN bus exploitation	Advanced	Car Hacking Village
Lockpicking Contest	Timed physical bypass, multiple difficulty tiers	Beginner-friendly	Lockpick Village
Scavenger Hunt	City-wide puzzle hunt across Las Vegas	All levels	Community
Spot the Fed	Social deduction game with prizes	All levels	Community

📅 Day-by-Day Agenda

Day	Date	Villages & Labs	Contests	Talks
Day 1	Thu, Aug 6	Village setup, badge hacking begins, first workshops	CTF Qualifiers open, Scavenger Hunt launch	Opening remarks + keynote
Day 2	Fri, Aug 7	Full village program, hands-on labs running all day	CTF Qualifiers continue, Social Engineering CTF	Main track talks and panels
Day 3	Sat, Aug 8	Villages at peak, hardware and bio labs, RF workshops	CTF Finals, Car Hacking CTF, Lockpick Contest	Track talks + Lightning Talks
Day 4	Sun, Aug 9	Closing sessions, village wrap-ups, community meetups	Awards ceremony and final results	Closing keynote and farewell

🗺️ Planning Your DEF CON 34

DEF CON is deliberately cheap to attend but Las Vegas is not. Most attendees pair it with Black Hat USA the week before, forming the famous "Hacker Week". Book hotels early — August rates in Las Vegas spike significantly during the convention window.

Profile	Why DEF CON	Budget range (USD)*
Student / newcomer	Low badge cost, beginner villages, mentorship culture	$460 – $650
Security engineer	Hands-on labs, tool releases, practical workshops	$800 – $1,500
Red teamer / pentester	CTF, exploit research, peer network, recruiting	$900 – $1,800
Researcher / academic	Unfiltered talks, collaborator access, data sets	$900 – $1,800
Full hacker week (Black Hat + DEF CON)	Combined corporate + community experience	$2,500 – $4,500

*Estimates covering badge, accommodation, and local transport. Airfare excluded. Early badge purchase and shared accommodation reduce costs significantly.