<ul><li>Meta and Yandex have been found de-anonymizing Android users' web browsing identifiers by using tracking code embedded into websites.</li><li>This tracking method involves Chrome and other browsers sending unique identifiers to native apps on devices, allowing Meta and Yandex to convert web identifiers into persistent mobile app user identities.</li><li>The covert tracking through Meta Pixel and Yandex Metrica trackers bypasses security and privacy protections of the Android operating system and browsers.</li><li>The de-anonymization violates security principles like sandboxing, enabling interaction between mobile and web contexts, possibly compromising user privacy.</li></ul>

Meta and Yandex are de-anonymizing Android users’ web browsing identifiers

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