Offers technical security conferences covering topics such as bots and malware, deep knowledge, and networks.

Annual hacking convention held the last week of July or first week of August. Considered one the oldest and largest hacking events.

Once every four year international hacking convention happening that will take place in 2009. Lectures and workshops on society, technology, and (computer-) security are given.

Source for five tracks of training sessions with keynote speakers, and international experts.

New Zealand hackers convention who's topics include; Bugging The Boardroom, Freedom, Privacy and Hacktivism in the Age of Confusion, and Attacking the Vista Heap.

Possibly the last conference of the Hackers on Planet Earth (HOPE) due to the historic Hotel Pennsylvania in New York City being slated for demolition. Three day event with intriguing topics.

Nashville hacking convention with a history almost as long as DEFCON's. Contests include a Wifi Race, and G33kShoot.

Three day convention featuring one day of speed talks, and the next two focusing on; break it, build it, and bring it on.

Information security conference offering different venues each year, workshops and seminars.