The past year saw the emergence of a series of cleverly named hacking groups like Anonymous, LulzSec, and TeaMp0isoN. In 2011, these groups brought the fight to corporate America, crippling firms both small (HBGary Federal) and large (Sony) As the year drew to a close these groups noticeably shifted from prank-oriented hacks for laughs to aligning themselves with political movements like Occupy Wall Street and using their skills to lend material and virtual support to the protests in various cities.
Source: https://threatpost.com/the-rise-of-the-chaotic-actor/91896/