Hackingteam, an Italian hacker for hire outfit has been outed as child-porn planters & their customer list which includes dictators & financials has been leaked on the internet. In a massive hack-the-hackers event the hackingteam's server has been leaked
to the internet, via their own twitter feed. Github has breakdowns of their hacking code & lists of servers they used & there is a global effort to expose their activities. See Vice for a list of financials alleged to be customers.
http://motherboard.vice.com/read/big-banks-worked-with-hacking-team-which-also-sells-spy-tools-to-dictators