earlier this year I told you about a class many of my friends were taking in which 60% of the grade was to find an x number of holes in a nix system...they even made it to slashdot http://it.slashdot.org/article.pl?si...&tid=1&tid=106
and for those who don't know, Bernstein is the guy who won a lawsuit aganist the US government some years back for an incryption algo.