Famous Hackers: Then and Now

By Jordan Robertson - 2012-04-19T17:38:08Z

Photograph by AP

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Kevin Poulsen

Kevin Poulsen is a convicted computer hacker who has transformed himself into a top security journalist. He is the author of "Kingpin," a book about CardersMarket operator Max Butler, and is the news editor at Wired.com.

Poulsen's specialty was hacking telephone networks. He once commandeered all the phone lines of a Los Angeles radio station to ensure he would be the winning caller in a Porsche giveaway. Poulsen served more than five years in prison.

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