this post was submitted on 20 Nov 2025
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Browser Fingerprinting And Why VPNs Won’t Make You Anonymous (hackaday.com)
submitted 15 hours ago by tonytins@pawb.social to c/technology@lemmy.world
65 comments fedilink hide all child comments
 

Amidst the glossy marketing for VPN services, it can be tempting to believe that the moment you flick on the VPN connection you can browse the internet with full privacy. Unfortunately this is quite far from the truth, as interacting with internet services like websites leaves a significant fingerprint. In a study by [RTINGS.com] this browser fingerprinting was investigated in detail, showing just how easy it is to uniquely identify a visitor across the 83 laptops used in the study.

As summarized in the related video (also embedded below), the start of the study involved the Am I Unique? website which provides you with an overview of your browser fingerprint. With over 4.5 million fingerprints in their database as of writing, even using Edge on Windows 10 marks you as unique, which is telling.

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[–] A_Random_Idiot@lemmy.world 8 points 5 hours ago* (last edited 5 hours ago) (1 children)

No, with a VPN the only thing your ISP sees is you connecting to a VPN server IP.

But browser finger printing, on the other hand, can identify you to every website you visit, due to info your browser hands over to every website... Such as OS version, Resolution, installed Plugins, browser settings, geolocation info, etc..which is often unique enough to identify you out of the whole of the internet.

Ironically, locking your browser down with more security features/settings/plugins often makes you more identifiable. Cause capitalism is god damned sure they are gonna track you and monetize the hell out of your information, whether its via your name, your user name, or just your digital fingerprint.

https://coveryourtracks.eff.org/

[–] Blackfeathr@lemmy.world 2 points 2 hours ago

Jesus, this is scary stuff. Thanks for the link, gonna try my other browsers and devices when I get home.