Defcon Dates _top_

The conference has expanded its reach beyond the Nevada desert. Regional iterations bring the hacker spirit to international hubs.

[ January - February ] ──> Calls for Papers (CFP), Workshops, and Contest submissions open. [ March - April ] ──> Room blocks open at official Las Vegas partner hotels. [ May ] ──> Early Bird registration window closes; CTF Qualifier rounds begin. [ June - July ] ──> Call for Papers closes; final presentation materials due. [ August ] ──> DEF CON Main Event and Official Training Sessions. DEF CON® Hacking Conference Home defcon dates

Emily playfully rolled her eyes and replied, "I'd say we're at DEFCON 4 – heightened alert, but not quite ready to deploy." The conference has expanded its reach beyond the

💻 The world’s largest hacker convention returns — badges, villages, CTF, zero days, and 25,+ of the most interesting minds in security. [ March - April ] ──> Room blocks

Following consecutive international installments, the Official DEF CON Forums confirmed the 2026 event will run Training from November 8–10, with the main conference happening November 11–12, 2026. Timeline of Critical Conference Milestones

"Agency" , emphasizing self-determination and routing independent paths through technology.