NSA, Mark Klein and mass surveillance

RIP Mark Klein. He exposed NSA's secret surveillance program in notorious Room 641A
The Electronic Frontier Foundation (EFF) recently announced the passing of Mark Klein, the AT&T whistleblower who exposed the NSA's mass surveillance program nearly two decades ago. Klein worked as a telecommunications technician at AT&T for 22 years when he discovered something alarming at the company's San Francisco facility: evidence of widespread government spying on American citizens.
Mark Klein, AT&T Whistleblower Who Exposed NSA’s Mass Surveillance, Dies at 79
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 to the Electronic Frontier Foundation. Klein’s cause of death was not released.
Mark Klein, AT&T technician who helped expose NSA spying, dies at 79
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.
AT&T technician Mark Klein, who exposed secret NSA spying, dies
Mark Klein, a former AT&T technician turned whistleblower who exposed mass surveillance by the U.S. government, has died at age 79. Klein went public in 2006 with documents revealing that the NSA was using a secret room in an AT&T hub in San Francisco to tap into the backbone of the internet.
Mark Klein has died
The unlikely hero who stood up to the government Mark Klein, the AT&T technician who blew the whistle on one of the most extensive illegal surveillance operations in American history, has died. He was 79.
Opinion
RIP Mark Klein, the engineer who exposed US domestic spying ops after wiring it up
AT&T engineer, and the Deep Throat of the network age, dies at 79 In 2006, a retired AT&T engineer knocked on the door of the EFF's office in a rundown part of San Francisco's Mission district and asked,
Bay Area phone company technician who spotlighted NSA phone surveillance dies
Mark Klein, a former telecommunications technician for AT&T and a whistleblower, died in Oakland on Saturday at age 79 due to pancreatic cancer. Klein presented evidence from his work alleging that the National Security Agency was spying within the United States out of a secret room in the AT&T office on Folsom Street in San Francisco.
RIP Mark Klein.
In 2006 the AT&T whistleblower exposed a secret room inside the company that routed network traffic to the NSA, leaking ...
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