A hacker known as “The Jester” claims to have revealed the identity of a LulzSec member who may be the group’s leader. Thirty-year-old Xavier Kaotico, also known as Xavier de Leon or “sabu,” has been outed as the hacker prankster group’s leader, though his role and involvement with LulzSec has not been confirmed. The man allegedly lives or has recently lived in New York City, and is an independant IT consultant specializing in Python programming, Linux development, network security and exploit development. LulzSec, a small group of hackers that has become the focus of the international technology media over...