Crack Me If You Can 2015

The Basics

What: A password cracking contest sponsored by KoreLogic.

Where: DEFCON 23 at Paris & Bally's in Las Vegas.

When: The main contest lasts 48 hours:
11:59:59 PM PDT Thursday Aug 6 - 11:59:59 PM PDT Saturday Aug 8, 2015

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.

Winning: There were prize pools for a "Pro" class and a "Street" class of competitor.

Updates: Watch @CrackMeIfYouCan for updates.

The contest has ended. Congratulations, and thank you to all who participated!

The final results are:

1st place Pro Division ($600): hashcat with 1,733,692 total points.

2nd place Pro Division ($300): CynoSure Prime with 1,370,855 total points.

3rd place Pro Division ($100): InsidePro with 1,240,637 total points.

1st place Street Division: Shining Ponies with 510,973 total points.

Full Scoreboard and Statistics

CMIYC Twitter Feed

The Teams That Competed

About This Year's Contest

Download Password Hashes

Introduction and Rules

How to Register (The contest is over.)

How to Submit Cracks (The contest is over.)

Press FAQ

PGP key for submissions

PGP key for a human (defcon-2015-contest@korelogic.com)


You can also check out past years' contest pages:

2014
2013
2012
2011
2010