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New Research Claims Google, Microsoft, and Meta Track Users Even After Opt-Out

ID: ec2aa160-c373-541e-83e6-fb4dcfe21f6e

STIX ID: report--ec2aa160-c373-541e-83e6-fb4dcfe21f6e

Feed Name: Cyber Press

Date Published: 2026-04-15

Date Updated: 2026-04-15

Author: AnuPriya

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A webXray audit of over 4,000 popular U.S. websites found widespread failures in ad-tech and consent tooling: Google (87%), Microsoft/Bing ads (50%), and Meta Pixel (69%) frequently ignore Global Privacy Control (GPC) signals and set persistent tracking cookies despite user opt-outs, while evaluated Consent Management Platforms failed to fully prevent cookie placement; the report highlights regulatory risk and proposes straightforward technical fixes (e.g., responding with HTTP 451 or adding GPC checks).

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