Who are all these hacker groups?
Hacker groups that attack or steal -- some estimates say there are as many as 6,000 of such groups online with about 50,000 "bad actors" around the world drifting in and out of them -- are a threat, but the goals, methods, and effectiveness of these groups vary widely.
Source: http://www.infoworld.com/d/security/who-are-all-these-hacker-groups-482
Sterling Burton Marlin Mark Anthony Martin Jeremy Allan Mayfield James Christopher McMurray Casey James Mears Juan Pablo Montoya