So the actual information is rather that this default anti-fingerprinting protection in Firefox is defeated.īy the way, Mozilla has made the deliberate choice of not blocking many fingerprinting scripts with their default tool as long as they’re considered not to be there for tracking, as defined by them. “The website identified three visits using Firefox, Firefox with private browsing mode and Firefox with private browsing mode and a VPN connection, as coming from the same user.”Ī VPN only hides the IP address and private browsing mode is not either supposed to do anything against fingerprinting (because Firefox’s anti-fingerprinting which is part of tracking protection, which blocks some fingerprinting scripts, is already enabled when not in private browsing mode, while the more advanced privacy.resistFingerprinting that does like Tor Browser by trying to look average is not enabled either by default nor in private browsing).
“Web Fingerprinting Gets Frighteningly Good: Sees Through VPNs and Incognito Mode” In other words: it can identify 995 out of 1000 returning visitors correctly, even if these visitors clear browsing data, use a VPN connection or switch to private browsing modes. Take Fingerprint as an example the web service promises that its commercial solution has a 99.5% accuracy. While some web browser makers have upgraded defenses to protect against fingerprinting, developers of fingerprinting solutions have also made advancements.
Brave Browser introduced language and font fingerprinting protections in 2022, and Mozilla's Firefox web browser anti-fingerprinting protections as part of the browser's Tracking Protection feature. It should not come as a surprise that some browsers, mostly those focused on privacy, have implemented anti-fingerprinting protections in recent years. These methods do not rely on cookies and other common forms of tracking, which mostly rely on storing data on user devices, but use device parameters and other information to compute a fingerprint.
Fingerprinting describes a set of methods that sites and advertisers use to track users across the Internet.
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