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Mark Klein is a former AT&T technician and whistleblower who revealed details of the company's cooperation with the United States National Security Agency in installing network hardware at a site known as Room 641A to monitor, capture and process American telecommunications. The subsequent media coverage became a major story in May 2006.
Jun 27, 2013 · Mark Klein, a retired AT&T communications technician, revealed in 2006 that his job duties included connecting internet circuits to a splitting cabinet that led to a secret room in AT&T's San ...
Aug 18, 2015 · Mark Klein, a former AT&T technician, reveals how the company cooperated with the NSA to tap the Internet data stream of millions of Americans. He also discusses the legal battle he fought with the Electronic Frontier Foundation against AT&T and the government.
Mark Klein is a native of Louisville, Kentucky. He graduated from Colgate U. with a B.A. in English (let this be a warning to your children), and has made his living with laughter for over 30 years. Media credits include CBS, Showtime, Forbes, GQ, and Sirius XM.
May 10, 2007 · Mark Klein, a retired AT&T technician, sits quietly at the center of a high-profile legal storm hitting the nation's largest telecommunications companies for allegedly helping the government spy ...
Nov 5, 2018 · Mark Klein exposed the illegal collaboration between AT&T and NSA to monitor and collect data of American civilians without warrants. Learn about his career, claims, confirmation, and the aftermath of his whistleblowing in this article.
Jun 4, 2014 · Mark Klein exposed the secret room in AT &T's internet switching center where the government copied the data stream. He calls Edward Snowden a hero and wants him to get retroactive immunity.
