Indeed, there are few words in the English language to describe what the former Anon formerly known as Sabu tried to pull on Wikileaks. Few words indeed, but enough to form the lyrics of the following:
If you need more information, you can find ALL of it at Nigel Parry’s comprehensive blog post. I was going to do that, but he did it first, more thoroughly, and better. Just go.

[...] The Sabu Saga, Short Form – raincoaster [...]
[...] them in history books in the future) hacked private security and intelligence company Stratfor, Sabu, the de facto leader, who was also secretly working for the FBI (stories about hackers have a lot [...]