Photos show the cultural difference between Black Hat and Defcon hacker events

Thousands of security professionals, hackers, federal agents and media descended on Las Vegas this week to attend the Black Hat and Defcon conferences. The two conferences exhibit the extremes of hacker and security culture, with federal agents and major corporations descending on Black Hat in large numbers and mohawk-styled hackers and Electronic Frontier Foundation lawyers attending Defcon. It’s like the difference between law enforcement and pranksterism, where both have the object of protecting freedom.

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Here are our latest speakers for GamesBeat 2011

Today we’re revealing the fifth set of speakers for our third annual GamesBeat 2011 conference. Our slate of speakers will include Rich Wong, partner with venture capital firm Accel; Chris Bergstresser, executive vice president of online game portal Miniclip; and David Marcus, founder and CEO of mobile payment company Zong.