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New York Times: NSA Tracks Social Ties

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The National Security Agency (NSA) has been constructing graphs of some Americans' social connections, according to new documented obtained by the New York Times.

The graphs can reportedly pinpoint a subject's location at certain times, their travel partners, associates and other personal information.

The New York Times has more:

The spy agency began allowing the analysis of phone call and e-mail logs in November 2010 to examine Americans’ networks of associations for foreign intelligence purposes after N.S.A. officials lifted restrictions on the practice, according to documents provided by Edward J. Snowden, the former N.S.A. contractor.

The policy shift was intended to help the agency “discover and track” connections between intelligence targets overseas and people in the United States, according to an N.S.A. memorandum from January 2011. The agency was authorized to conduct “large-scale graph analysis on very large sets of communications metadata without having to check foreignness” of every e-mail address, phone number or other identifier, the document said. Because of concerns about infringing on the privacy of American citizens, the computer analysis of such data had previously been permitted only for foreigners.

The agency can augment the communications data with material from public, commercial and other sources, including bank codes, insurance information, Facebook profiles, passenger manifests, voter registration rolls and GPS location information, as well as property records and unspecified tax data, according to the documents. They do not indicate any restrictions on the use of such “enrichment” data, and several former senior Obama administration officials said the agency drew on it for both Americans and foreigners.

Read more at the New York Times...

Follow Oliver Darcy (@oliverdarcy) on Twitter

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