South China Morning Post 
June 22, 2013
The US government is hacking Chinese mobile phone companies to steal millions of text messages, Edward Snowden has told the South China Morning Post. And the former National Security Agency contractor claims he has the evidence to prove it.
The former CIA technician and NSA contractor, hiding in Hong Kong after the US sought his arrest, made the claims after revealing to the Post that the NSA had snooped on targets in Hong Kong and on the mainland.
“There’s far more than this,” Snowden said in an interview on June 12. “The NSA does all kinds of things like hack Chinese cell phone companies to steal all of your SMS data.”
Text messaging is the most preferred communication tool in mainland China, used widely by ordinary people and government officials from formal work exchanges to small chats.
Full story here.