Washington CNN —The National Security Agency has been buying Americans’ web browsing data from commercial data brokers without warrants, intelligence officials disclosed in documents made public by a US senator Thursday. The purchases involve what Nakasone described as netflow data, or the technical information generated by devices as they use the internet. Nakasone added that the NSA does not purchase cellphone location data of Americans or location data generated by automotive infotainment systems in the United States. “NSA purchases commercially available Netflow data for its cybersecurity mission, to include but not limited to inform the Agency’s collection, analysis, and dissemination of cyber threat intelligence,” an NSA official said. As part of Thursday’s announcement, Wyden wrote a letter to the Biden administration urging it to stop the warrantless surveillance of Americans through the purchases of internet data.

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Persons: Oregon Democratic Sen, Ron Wyden, Biden, ”, Paul Nakasone, Wyden, Nakasone, “, Ronald Moultrie, Allison Nixon, ” Nixon, Timothy Haugh, ” Wyden, Avril Haines, Haines, Lina Khan, CNN’s Sean Lyngaas Organizations: Washington CNN, National Security Agency, Oregon Democratic, Pentagon, CNN, The New York Times, NSA, Defense Department, cyberattacks, Defense Intelligence Agency, Federal Trade Commission, InMarket Media, FTC Locations: Oregon, United States, U.S