Authors: 
Brett Buerhaus, Jason Thor Hall
Original Post: http://potatohatsecurity.tumblr.com/post/94565729529/defcon-22-badge-challenge-walkthrough
Brett, Jon, and I recently went to DEFCON and completed the Badge Challenge put together by 1o57. Here is the entire adventure as we experienced it with all of the puzzles, their solutions, and the steps to solve them. Understand that this document contains MASSIVE spoilers so if you do not want to ruin it for yourself please stop reading now.