Calce was known from his online handle called Mafiaboy.
I was a pretty bratty kid.
I come from a divorced family.
Eventually, the law caught up to him, despite what his intentions were.
source: www.techworm.net
Meet the hacker who brought down the Internet
A notorious hacker, calling himself Mafiaboy was a 15 year intrusion expert who now works for security consulting companies
