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NSA creates ‘sophisticated graphs’ of US citizens’ social connections

The US National Security Agency has been exploiting US citizens’ personal information drawn from its large collection of metadata to create complex graphs of social connections for foreign intelligence purposes, the latest Snowden leaks have revealed.

According to the report, the agency has been allowed to “enrich” their communications data with materials obtained from public, commercial and other sources while preparing the graphs. Such sources reportedly include Facebook profiles, bank codes, insurance information, passenger manifests, voter registration rolls and GPS location information, as well as property records and unspecified tax data.

The sophisticated graphs provide the agents with direct and indirect “contact chains” between an unspecified number of Americans and people or organizations overseas that are of foreign intelligence interest, the report says.


 

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