DEF CON is pretty much the security show that started it all. From humble beginnings in 1993 as a hangout for ten old-school hacker collaboratives, DEF CON has become one of the premier events, though it tends to stay true to its roots. This is a conference for hackers by hackers. Come ready to hear very detailed discussions of exploits along with advice on how to make them more – not less – effective. Don’t bother bringing business attire