While Sabu and Topiary are firmly on the inside, the likes of The Jester and LulzSec Exposed are most certainly notInside Sabu Apparent founder and leader of LulzSec, he is a long-time hacktivist associated with senior Anonymous members. Decides who can join the group and who should be targeted. Attempts by rivals to uncover details about his real-life identity suggest he is a 30-year-old IT consultant skilled in the Python programming language who has lived in New York. The timing of some his tweets – tweeting "goodnight all" at 0700 BST, or 0200 New York time – implies he is...