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.
Mark Klein, a former telecommunications technician for AT&T and a whistleblower, died in Oakland last Saturday at age 79 due to pancreatic cancer. Klein presented evidence from his work alleging that ...
I was so proud of him.” Klein was a technician at AT&T in San Francisco when he discovered that the NSA was using a splitter to intercept, monitor and copy all internet traffic and other data ...
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 ...
Elon Musk paid an unannounced visit to the National Security Agency on Wednesday and met with its chief, an NSA spokesperson ...