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China's AliExpress caught using an ‘audiofingerprint’ trick to track visitors

Chinese retailer AliExpress has been found using an audio trick to fingerprint visitors. This technique analyzes inaudible audio signals processed by web browsers. Researcher Matthew Callaghan discovered this method after noticing his phone audio stopped playing. Firefox and Chro

Read full story on Times of India
TOI TECH DESK25 Aug 2026, 02:31 pmUpdated 3h ago1 min readIndiaIndia
China's AliExpress caught using an ‘audio fingerprint’ trick to track visitors

IndiaTOI TECH DESK

Chinese retailer AliExpress has been found using an audio trick to fingerprint visitors. This technique analyzes inaudible audio signals processed by web browsers. Researcher Matthew Callaghan discovered this method after noticing his phone audio stopped playing. Firefox and Chrome browsers now have protections against this specific audio fingerprinting method. AliExpress employs multiple other tracking methods alongside this audio technique.

This report is published with credit to Times of India. The wire sent a summary; open the original for any extra context. Read on Times of India

Source: Times of India · TOI TECH DESK. Published 25 Aug 2026, 02:31 pm.

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