Anti-piracy outfit Web Sheriff is somewhat of an icon in the copyright protection industry. The company has protected rightsholders for over two decades and has seen many piracy platforms gone and gone. However,Sheriffs can manufacture mistakes too, and flagging several Ubuntu URLs as copyright-infringing content, and seems to fall in that category.
From: TF,for the latest news on copyright battles, piracy and more.
Source: feedburner.com