Cobwebs Technologies' WebLoc software allows police to track individuals using geolocation signals displayed on a map interface.
The FBI previously purchased access to "netflow" data, which a company called Team Cymru obtains from ISPs. Team Cymru then sells it to the government.
ICE has queried LexisNexis' data more than a million times, and leadership encouraged officials to use the tool for finding non-citizens.
Motherboard previously revealed that SafeGraph was selling location data related to visits to Planned Parenthood facilities.
An internal Secret Service document describes the purchase of Locate X, a product that uses location data harvested from ordinary apps.
"Americans’ constitutional rights shouldn’t vanish when the government uses a credit card instead of a court order."
The move comes after a joint Motherboard and PCMag investigation uncovered details of the data collection through a series of leaked documents.
Avast will no longer collect or sell its users' internet browsing data and will "wind down Jumpshot's operations, with immediate effect."
Bernie Sanders Thinks Companies That Sell Your Browser History Are ‘Trampling Over the Rights of Consumers’
"No reasonable person would expect antivirus software to be selling off their private browsing data to the highest bidder."
Warner's comments come after a Motherboard and PCMag investigation found antivirus Avast selling browsing data to Home Depot, Google, and other companies.