Hacktivists with a virtual axe to grind got their fair share of the spotlight in 2011, most notably a group called LulzSec that managed to cause problems for organisations ranging from the CIA to Sony, thereby earning them a place in the top 10 influential.

According to the Philippines Criminal Investigation and Detection Group, they busted the four with the help of the FBI, which are connected to a Saudi-based terrorist group that caused almost $2 million in losses to AT&T. read more