Mark your calendar: DEFCON 35, the 35th DEF CON, lands in Las Vegas, United States from 5 August 2027 to 8 August 2027, ready to bring the field together once more. Delegates come to learn, to challenge and to be challenged, which is what keeps the discussion here sharp. Because it comes around every year, each edition arrives with genuine anticipation. Proceedings are hosted at Las Vegas Convention Center, a fitting stage for an event of this scale.

When the host city is Las Vegas, half the appeal is already in place — a well-connected, welcoming base with plenty to offer once the day is done. Between its air links and its local network, getting to and around Las Vegas takes little planning. Las Vegas's hotels span the full spectrum, so whether you want frills or just a good night's sleep, you are covered. Few places in the United States are as well suited to hosting the international crowd this event attracts as Las Vegas.

Expect deep dives into Cyber Security, Ethical Hacking and Cyber Crime, led by some of the most respected voices in the field. Expect a packed line-up of panels, fireside chats and interactive sessions. Whether over a scheduled meeting or a chance hallway chat, connections form easily here.

Expect to leave informed, inspired and better connected than when you arrived. DEFCON 35 is well suited to leaders, learners and everyone in between looking to stay close to the field and its latest developments.

Early registration often comes with the best rates and the smoothest entry, so it pays to sort your ticket ahead of time.

Planning the trip: see the United States guide for airport connections, local transport and accommodation advice.