I don't have to go to any great lengths for folks who have been watching the news and watching just some of the large effects of the hacking and hacktivism...
"Snowden" (the movie) has just come out (my opinion is "not really objective")... But this article deals with the who's who of the groups engaging in this un-organised and organised crime, spying, etc.
Worth the read, imo. The links are worth looking at, as well.
Here: http://www.zdnet.com/article/cybercrime-and-cyberwar-a-spotters-guide-to-the-groups-that-are-out-to-get-you/