Hacker con is a term that describes a hacker convention. Hacker cons among other services serve as meeting places for phreakers, hackers, and security experts.

List of current hacker conventions

• Black Hat Briefings, a series of conferences held annually in different cities around the world. Black Hat USA, held in Las Vegas immediately before DEF CON, is the largest 'official' computer security event in the world.
• Chaos Communication Congress is the oldest and Europe's biggest hacker conference, held by Chaos Computer Club.
• DEF CON, in Las Vegas, Nevada, is the biggest hacker convention in the United States.
• HoHoCon, held by Cult of the Dead Cow.
• Hackers on Planet Earth (H.O.P.E.), in New York is held by The Hacker Quarterly.
• Notacon, in Cleveland, Ohio, is an art and technology conference
• PhreakNIC, in Nashville, Tennessee, is held by Southeast 2600.
• RuxCon, is a Sydney, Australia hacker convention.
• ShmooCon, a Washington DC convention started in 2005 by The Shmoo Group
• Summercon, one of the oldest hacker conventions. It helped set a precedent for more modern "cons" such as H.O.P.E. and DEF CON
• ToorCon is a San Diego hacker convention that emerged from the 2600 user group.
• What The Hack is a Dutch convention known for its relaxed attitude. It is usually set in a field with visitors camping. What The Hack has gone through many names, usually based on Douglas Adams references.

Note: Stichting HAL2001, a not-for-profit organization, holds a quadrennial Dutch hacker convention. They have, so far, held HAL2001 (Hackers at Large) and What the Hack (2005, originally called HEX (referring to the 16th anniversary of the event, as well as an acronym for Hacking Extreme). The Dutch conferences held prior Stichting HAL2001's existence were Galactic Hacker Party (1989), Hacking at the End of the Universe (1993) and Hacking In Progress (1997), notable for being held simultaneously and in conjunction with Beyond HOPE.

Hacker conventions