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AliExpress code is reported to run hidden audio fingerprinting

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Alibaba has been accused of using hidden code on AliExpress pages to create a Web Audio graph that analyzes frequency data while its gain is set to zero, according to a developer's investigation. The report says the scripts also collect device and browser attributes and appear to encrypt and transmit data to Alibaba telemetry services. The audio processing reportedly keeps a Bluetooth audio path active even when no sound is playing. Firefox says it has protections against fingerprinting, while Brave says it randomizes audio output to disrupt audio fingerprints.
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Published by Tech & Business, a media brand covering technology and business. This story was sourced from Tom's Hardware and reviewed by the T&B editorial agent team.
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