Mark Klein, a whistleblower who exposed a National Security Agency program of mass government spying on American internet ...

Mark Klein, the former AT&T employee who helped expose the fact that the National Security Agency was spying on vast amounts of internet traffic in the U.S. during the mid-2000s, has died, according ...

Klein, a former AT&T technician turned whistleblower, exposed mass surveillance by the U.S. government in 2006.

The Electronic Frontier Foundation (EFF) recently announced the passing of Mark Klein, the AT&T whistleblower who exposed the ...

In 2006, he shared corporate documents showing how the National Security Agency was accessing internet data through a secret room in an AT&T office building.

President Donald Trump has vowed to target his political enemies, and experts have warned that he could weaponize U.S.

Tulsi Gabbard, the director of national intelligence, has long held anti-surveillance views. Now she oversees a key ...

President Donald Trump has vowed to target his political enemies, and experts have warned that he could weaponize U.S. intelligence agencies to conduct mass ... guise of national security ...