Warner's comments come after a Motherboard and PCMag investigation found antivirus Avast selling browsing data to Home Depot, Google, and other companies.
An Avast antivirus subsidiary sells 'Every search. Every click. Every buy. On every site.' Its clients have included Home Depot, Google, Microsoft, Pepsi, and McKinsey.
Wyden’s questions come after Mozilla removed Avast's and AVG’s extensions for harvesting user data.
AVG’s plan makes sense, but will require the cooperation of hardware manufacturers to make a real impact.