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The moment has arrived! You can reserve your badge for DEF CON in Vegas or the DEF CON online-only event right now at shop.defcon.org. Your pre-purchase allows us to accurately predict attendance, and it guarantees you a physical badge and secures your space if the venue is forced to restrict capacity. We thank you for your support and flexibility – hard numbers are the only way we can responsibly make a physical DEF CON happen this year.
Cash at the door will still be honored for as long as spaces last, but there is a chance we’ll have to turn away cash customers if we reach capacity for our venues.
For everyone who can’t be with us in person, the Safe Mode option continues over on Discord and we expect to start mailing out badges in early July.
DEF CON is the world's longest running and largest underground hacking conference. Hackers, corporate IT professionals, and three letter government agencies all converge on Las Vegas every summer.
Source : Event Website
Event Name | City | State | Atendance | Exhibitors | Date |
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DEFCON 2025 | Las Vegas | Nevada | ![]() estimated |
![]() estimated |
Aug 07, 2025 |
DEFCON 2024 | Las Vegas | Nevada | ![]() estimated |
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Aug 08, 2024 |
DEFCON 2023 | Las Vegas | Nevada | ![]() estimated |
![]() verified |
Aug 10, 2023 |
DEFCON 2022 | Las Vegas | Nevada | - | - | Aug 11, 2022 |
DEFCON 2021 | Las Vegas | Nevada | ![]() verified |
![]() verified |
Aug 05, 2021 |
Event Name | City | State | Atendance | Exhibitors | Date |
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SPECTRUM 2025 Conference - (formerly International Spectrum Meeting) | Miami | Florida | ![]() estimated |
![]() verified |
Jan 16, 2025 |
Drive World Conference & Expo 2025 - (formerly ESC Embedded Systems 2023 Conference & Expo) | Santa Clara | California | ![]() estimated |
![]() verified |
Jan 28, 2025 |
Acumatica Summit 2025 | Las Vegas | Nevada | ![]() estimated |
![]() verified |
Jan 28, 2025 |
GreenBiz 2025 Expo | Phoenix | Arizona | ![]() estimated |
![]() estimated |
Feb 10, 2025 |
2025 International LiDAR Mapping Forum (ILMF) | Denver | Colorado | ![]() estimated |
![]() estimated |
Feb 10, 2025 |