AT&T technician Mark Klein, who exposed secret NSA spying, dies
Klein, a former AT&T technician turned whistleblower, exposed mass surveillance by the U.S. government in 2006.
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 ...
Boing Boing on MSN5d
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 ...
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.
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 Register on MSN3dOpinion
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 ...
Fudzilla5d
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 ...
Gizmodo5d
Mark Klein, AT&T Whistleblower Who Exposed NSA’s Mass Surveillance, Dies at 79
Before Edward Snowden, Mark Klein blew the whistle on NSA internet spying. Best of CES 2025 Awards We may earn a commission when you buy through links on our sites. ©2025 GIZMODO USA LLC.