AT&T technician Mark Klein, who exposed secret NSA spying, dies | TechCrunch
Mark Klein, a former AT&T technician turned whistleblower, exposed mass surveillance by the U.S. government at the age of 79. Klein released publicly in 2006, showing the NSA using a secret room in the AT&T Center in San Francisco to leverage the backbone of the internet. Now there is a smelly door behind Room 641aOptical […]