http://recode.net/2014/12/12/googles-schmidt-says-trapdoor-access-to-networks-by-government-not-needed/

 

He noted that some security experts have questioned his claim that Android is the safest mobile operating system. Both Google and Apple are working "very, very hard" on security features in their mobile OSes, he said.

http://www.computerworld.com/article/2859372/google-moved-to-lock-down-data-after-nsa-revelations.html