Here is an interesting anecdote. From the author of the article's wikipedia page.
His best-appreciated hack was a takeover of all of the telephone lines for Los Angeles radio station KIIS-FM, guaranteeing that he would be the 102nd caller and win the prize of a Porsche 944 S2.
When the Federal Bureau of Investigation started pursuing Poulsen, he went underground as a fugitive. When he was featured on NBC's Unsolved Mysteries, the show's 1-800 telephone lines mysteriously crashed
The reddit office was just next to Kevin's desk. Kevin is a cool guy. He's crazy smart and makes an excellent security journalist. He married his defense attorney and they have a super cute kid. And I talked to him once about the radio contest thing, because I was a teenager at the time and remember trying to win that contest.
His best-appreciated hack was a takeover of all of the telephone lines for Los Angeles radio station KIIS-FM, guaranteeing that he would be the 102nd caller and win the prize of a Porsche 944 S2.
When the Federal Bureau of Investigation started pursuing Poulsen, he went underground as a fugitive. When he was featured on NBC's Unsolved Mysteries, the show's 1-800 telephone lines mysteriously crashed
http://en.wikipedia.org/wiki/Kevin_Poulsen