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WASHINGTON — The National Security Agency and its British counterpart have apparently tapped the fiber-optic cables connecting Google’s and Yahoo’s overseas servers and are copying vast amounts of email and other information, according to accounts of documents leaked by former agency contractor Edward J. Snowden.
In partnership with the British agency known as Government Communications Headquarters, or GCHQ, the NSA has apparently taken advantage of the vast amounts of data stored in and traveling among global data centers, which run all modern online computing, according to a report Wednesday by The Washington Post. NSA collection activities abroad face fewer legal restrictions and less oversight than its actions in the United States.