Defcon Las Vegas 2025. Def con is one of the world’s longest running and largest hacker conventions. Up to 40% cash back def con 33 is the 33rd annual hacker conference that unites white hats and black hats to solve problems.

Find out what it’s all about!. Grc conference 2025 » what originally started as a party for a specific group of hackers on the “net” in 1993 has turned into the biggest regular hackathon in the world.