TLDR Tech / InfoSec
AliExpress accused of fingerprinting shoppers with silent audio trick that also muted a dev's headphones
AliExpress is facing accusations of employing a 'silent audio trick' to fingerprint shoppers. The e-commerce platform reportedly uses scripts that generate inaudible WebAudio sawtooth signals to collect frequency data. This, combined with queries for display size, memory, browser plugins, WebGL capabilities, and mouse activity, is used for advanced user fingerprinting. One developer reported their headphones were muted by this trick.
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