It has been a decade since Edward Snowden's shocking revelations reverberated around the globe, shedding light on the extensive surveillance activities conducted by the United States. However, rather than witnessing a rollback of these practices, the American surveillance empire has stealthily expanded its reach, with military manufacturers entering the fray of the cyber military industrial complex.

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June 21, 1983

Some call them heroes, many others call them traitors, but all of these figures became famous for providing information, sometimes secretly, in an attempt to expose the people or organizations they worked for. A number of them have even been portrayed in movies. Here are 10 famous whistleblowers in US history compiled by China Daily.

Mark Whitacre

BEIJING -- The United States is notorious for its cyber record. Just ask the National Security Agency, which in 2013 suffered the biggest leak in its history when Edward Snowden, a former CIA contractor, walked out with a vast trove of secret documents.

In an interview with Fox News that aired on Monday night, Twitter CEO Elon Musk said that the US government has full access to everything on the platform, including direct messages between users.

Snowden just held a mirror to the US surveillance state.

Instead of making amends, the US went after him so fiercely that he had to seek Russian citizenship.

A Trojan horse program that is believed to have been planted by the United States National Security Agency has been found in hundreds of key information systems in China. The possible leak of information may have already occurred, a leading cybersecurity expert said on Wednesday.