Adtech suits against Index Exchange, Xandr pair national security, privacy claims
By Mike Swift ( September 10, 2025, 21:14 GMT | Comment) -- Two adtech companies are among the first to face privacy lawsuits alleging violations of new US national security rules that restrict the transfer of Americans’ personal data to adversary nations such as China. The lawsuits, which challenge the sharing of Americans' personal data by Index Exchange and Xandr with Chinese e-commerce app Temu, highlight the growing intersection of data protection and national security, mark the US government’s first steps toward limiting the export of Americans’ personal data abroad, and underscore how the widespread sharing of personal information for ad targeting is creating a new avenue of regulatory risks.Two digital ad companies face two of the first privacy suits alleging violations of new US national security rules that limit the transfer of Americans’ personal data to companies in adversary nations — in this case, the Chinese e-commerce company Temu....
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