January 29, 2026
A California federal judge has largely refused to dismiss a proposed class action that accuses digital advertising firm PubMatic Inc. of secretly tracking internet users across the web and selling their data, with the judge allowing most privacy and wiretapping claims to move forward.
April 10, 2025
Digital advertising firm PubMatic Inc. engaged in vast and unauthorized tracking of the online lives of "hundreds of millions of Americans," which it later shared and sold to third parties, violating state and federal privacy laws, according to a proposed class action filed in California federal court.