The NSA, the Russian Intelligence Service, the Chinese Intelligence Service, any intelligence service in the world that has significant funding and a real technological research team, can own that phone the minute it connects to their network. As soon as you turn it on, it can be theirs. They can turn it into a microphone, they can take pictures from it, they can take the data off of it.
-- Edward Snowden
Src: Edward Snowden's Motive Revealed: He Can 'Sleep at Night' - NBC News.com