Las Vegas, Nevada · August 5 to 8, 2027
DEF CON
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DEF CON
When is DEF CON 2027?
DEF CON 2027 is expected to run August 5 to 8, 2027. The dates follow the usual pattern and are not announced yet.
2027August 5 to 8, 2027Expected
How the dates are set: The organizers announce each year's dates, usually the last week of July or first week of August, right after Black Hat.
DEF CON schedule
- August 6-9, 2026: DEF CON 34 ran at the Las Vegas Convention Center West Hall.
- Black Hat week: DEF CON takes place in Las Vegas immediately following Black Hat every year.
Sources: vendelux.com, blackhat.com
Getting to DEF CON
- For DEF CON 31 in 2023 (August 8 to 11), many people arrived a day early and many stayed a day later.
Source: openssf.org
DEF CON: questions people ask
When is DEF CON 2026?
DEF CON 34 ran August 6 to 9, 2026 at the Las Vegas Convention Center West Hall.
When is DEF CON usually held?
DEF CON is generally held in the last week of July or the first week of August in Las Vegas.
What is DEF CON?
DEF CON is described as the world's best-known hacker conference, with villages, contests and talks across areas like hardware hacking, ICS/OT, aerospace and AI.
Is DEF CON Singapore the same as DEF CON in Las Vegas?
No. DEF CON Singapore is a separate event, with its second edition announced for March 4 to 6, 2027.
Sources: vendelux.com, openssf.org, oodaloop.com, reddit.com
About DEF CON
One of the largest and oldest hacker conventions, held in Las Vegas each August right after Black Hat.
DEF CON is a long-running hacker convention with villages, contests and talks on topics from hardware hacking to AI. It takes place in Las Vegas immediately after Black Hat. Many attendees arrive a day early and stay a day late, so hotel nights add up. Tickets are typically bought for the whole event.
Know before you go
- DEF CON is generally held in the last week of July or the first week of August.
- DEF CON Singapore is a separate event from the Las Vegas convention.
- Harry Reid International (LAS) is the airport for Las Vegas, and the Convention Center sits close to the Strip.
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