Hackfest is a community of both experts and enthusiasts of computer security.
GrrCON is an information security and hacking conference that provides the Midwest InfoSec community with a fun atmosphere to come together and engage with like minded people.
ROOTCON holds the largest annual hacker conference in the Philippines
HP Protect is the place to meet the world's top information security talent, discuss new products and share information.
Chaos Communications Camp is an international meeting of hackers which takes place every four years, organized by the Chaos Computer Club.
DEFCON is one of the world's largest annual hacker conventions, held every year in Las Vegas, Nevada.