Johnny Long says he has never met a Google employee. And yet he is at the center of a community of security experts and search engine enthusiasts that might be developing some of the most interesting uses of Google technology today.
For the past 10 years, Long has made his living as a penetration tester, a "white hat" hacker who is asked to break into computer systems to test their security vulnerabilities.
By Robert McMillan at Network World.
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