Black Hat, and its associated sideshow, DefCon, consists of a number of different components. Training, Briefings, Exhibition and Contests, all make up part of Black Hat, and DefCon is a looser collection of Workshops, Events, Parties, Talks, Villages, Contests and numerous other things besides(*). Perhaps the thing that gave me the most fun this year was the contest that I entered at Black Hat and at DefCon. The contest was run by Core Labs , a part of Core Security Technologies , and featured the