Fingerprint Pro

Commercial device-fingerprinting service

Appears in 1 story · Last updated Nov 11, 2026

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Mozilla ships Firefox fingerprinting defenses, publishes 25-million-user study

New Capabilities

Used as a benchmark in Mozilla's study

Before its recent changes, Mozilla says about 75% of Firefox users could be singled out by fingerprinting scripts. After protections shipped in Firefox 143, that share fell to 46%, according to a study of nearly 25 million users published November 10.

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