NSA's eavesdropping mission includes radio broadcasting, both from various organizations and individuals, the Internet, telephone calls, and other intercepted forms of communication.Its secure communications mission includes military, diplomatic, and all other sensitive, confidential or secret government communications.The massive extent of the NSA's spying, both foreign and domestic, was revealed to the public in a series of detailed disclosures of internal NSA documents beginning in June 2013.Most of the disclosures were leaked by former NSA contractor, Edward Snowden.In 2013, the NSA had many of its secret surveillance programs revealed to the public by Edward Snowden, a former NSA contractor.According to the leaked documents, the NSA intercepts and stores the communications of over a billion people worldwide, including United States citizens.Incoming traffic was successfully stored on agency servers, but it could not be directed and processed.The agency carried out emergency repairs at a cost of million to get the system running again.
In 1999, a multi-year investigation by the European Parliament highlighted the NSA's role in economic espionage in a report entitled 'Development of Surveillance Technology and Risk of Abuse of Economic Information'.
The Black Chamber successfully persuaded Western Union, the largest U. telegram company at the time, as well as several other communications companies to illegally give the Black Chamber access to cable traffic of foreign embassies and consulates.
Soon, these companies publicly discontinued their collaboration. Stimson, who defended his decision by stating, "Gentlemen do not read each other's mail".
Thin Thread contained advanced data mining capabilities.
It also had a "privacy mechanism"; surveillance was stored encrypted; decryption required a warrant.