Published on Wednesday, July 31, 2013 by The Guardian/UK

XKeyscore gives ‘widest-reaching’ collection of online data; NSA analysts require no prior authorization for searches; Sweeps up emails, social media activity and browsing history

by Glenn Greenwald

One presentation claims the XKeyscore program covers ‘nearly everything a typical user does on the internet’A top secret National Security Agency program allows analysts to search with no prior authorization through vast databases containing emails, online chats and the browsing histories of millions of individuals, according to documents provided by whistleblower Edward Snowden.

The NSA boasts in training materials that the program, called XKeyscore, is its “widest-reaching” system for developing intelligence from the internet.

The latest revelations will add to the intense public and congressional debate around the extent of NSA surveillance programs. They come as senior intelligence officials testify to the Senate judiciary committee on Wednesday, releasing classified documents in response to the Guardian’s earlier stories on bulk collection of phone records and Fisa surveillance court oversight.

The files shed light on one of Snowden’s most controversial statements, made in his first video interview published by the Guardian on June 10.

“I, sitting at my desk,” said Snowden, could “wiretap anyone, from you or your accountant, to a federal judge or even the president, if I had a personal email”.

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