Skype monitoring, Gmail hacks, and fake iTunes updates: How 'spy agencies' track you Summary: The private sector makes billions in revenue through sales of its covert technologies to state agencies. But what can the technology actually do? By Zack Whittaker | December 11, 2011 -- 13:11 GMT (05:11 PST) Follow @zackwhittaker Previous | Next Image 6 of 23 This then gives the headquarters access to any encrypted files the 'target' has. Topics: Social Enterprise, Apple, Browser, Collaboration, Google Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.