“The pseudonymous hacker behind the catastrophic breach of notorious police surveillance tool seller Hacking Team is now teaching others how to hack.
Phineas Fisher, who also goes by the handles Hack Back! and GammaGroupPR, has released a tutorial video showing would-be vigilantes one way of stripping data from target websites.”
Source: A Notorious Hacker Just Released a How-To Video Targeting Police | Motherboard