Jeanson James Ancheta
The first person to be charged for controlling large numbers of hijacked computers or botnets.
Wikipedia
Leonard Rose
Nickname: Terminus
American hacker who in 1991 accepted a plea bargain that convicted him of two counts of wire fraud stemming from publishing an article in Phrack magazine.
Wikipedia Rafael Nunez
Nickname: RaFa
Venezuelan computer security professional and ethical hacker (white hat hacker).
Wikipedia Andrew Auernheimer
Nickname: weev
Andrew Alan Escher Auernheimer is an American black hat hacker Internet troll and neo-Nazi.
Wikipedia Mark Abene
Nickname: Phiber Optik
Mark Abene is an infosec expert and entrepreneur, originally from New York City. He was once a member of the hacker groups Legion of Doom and Masters of Deception.
Wikipedia