The Basics:

What: A password cracking contest sponsored by KoreLogic.

Where: DEFCON 19 at the Rio Hotel and Casino in Las Vegas.

When: The contest will last 48 hours. From 11:59pm Thursday August 4th to 11:59:59pm on Saturday August 6th, all times PST.

Who: Teams with at least one team member attending the conference.

Why: To help push the envelope of password cracking techniques / methodologies and win a prize while you are at it. Prizes will be awarded for first, second, and third place.