Encyclopedia Dramatica:Article of the Nao/May 13, 2011
The largest operation was The Raping of ACS Law, the law firm responsible for sending out scare letters to Britfags who had their IP addresses mined from various torrent sites... or wherever the shitastic Logistep software (which has been known and proven by the US government to often detect false positives) that they use decided to get them from at that particular time of day. Thanks to the fact that the leet hackers running their website hadn't brushed up on their Computer Science in a while, the group accidentally provided unrestricted access to 3 months worth of email messages, IP lists, and financial statements when they finally managed to poke their heads out of the pile of shit that the LOICs dumped on their servers. All are now freely available on the tubes, in both torrent and direct link form, for your reading pleasure.
(Interesting Fact: The firm does not send letters to people who get their tubes access from TalkTalk and Virgin Media. They wouldn't cooperate with the firm and drop their customers' dox.)
Shortly after, Privacy International, a human rights group that smelled the blood in the water, released a statement saying that it is seeking to pursue legal action against the firm for the numerous breaches of privacy due to the email leaks and the fact that the internet now has a list of a couple thousand people who supposedly use torrent sites to download granny porn...lulz!