• Dessalines@lemmy.ml
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    2 months ago

    This ones my fave: https://amiunique.org/fingerprint

    It shows the percentages of people who use your same browser features (called similarity ratios), and can determine whether you’re unique in their dataset. Can help for tweaking browser settings to try to make yourself not unique.

    • Zach777@lemmy.ml
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      2 months ago

      Unironically a solid way to block a lot of tracking. Although they can still fingerprint you I think.

    • floquant@lemmy.dbzer0.com
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      2 months ago

      Only a handful of data points surfaces by this website come from JS APIs, most are either header-based or some other browser behaviour that is independent from JS

  • plz1@lemmy.world
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    2 months ago

    “We know your IP address”. No kidding, that’s how IPv4 works, even if the browser wasn’t leaking offering it.

    • brbposting@sh.itjust.works
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      2 months ago

      Kinda like they feed Cover Your Tracks to an LLM’s template so you can experience the data in narrative form

      (No LLM used when you visit the site, just when they built it, is what I’m guessing here)

  • Phil Dowson@lemmy.world
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    2 months ago

    This post helped me discover that my SurfShark VPN built-in kill switch does not work within the Android app. My home IP was showing.

    I turned kill switch on at the OS level and my IP was correctly showing the VPN IP.

  • Kefla [she/her, they/them]@hexbear.net
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    2 months ago

    Your device carries these typefaces, of the seventeen commonly probed by fingerprinting checks. The specific combination of fonts on your device is nearly unique — like a fingerprint made of letters

    What the fuck why is my browser telling random websites what fonts I have installed? Shouldn’t that be completely irrelevant to everyone except me and my particular device?

    • Dirt_Possum [she/her, undecided]@hexbear.net
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      2 months ago

      It should be, yes. But browsers like Chrome are literally made by the company that stands to profit from fingerprinting you, so they’re always going to be made to make it easy to do just that. Firefox at least has “resist fingerprinting” option which apparently can limit font visibility to only base system fonts rather than fonts you installed and language-pack fonts. LibreWolf has this on out of the box.

        • Dirt_Possum [she/her, undecided]@hexbear.net
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          2 months ago

          The site could also be set to display whatever font it wants but also set to list standard fonts that also work which the browser can then choose from on the user’s end if the user doesn’t have the first choice font. That way you the user don’t have to worry about it and there is no way to fingerprint by the browser just handing out an entire list of fonts installed on the user’s system. There are plenty of ways to make things like this work, but the incentive is to keep them as they are or to increase uniqueness so people can be more easily fingerprinted.

    • colourlessidea@sopuli.xyz
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      2 months ago

      Does it matter for fingerprinting if the information is misleading? Unless it’s changing dynamically I guess it’s still helps in identifying a user

      • tristynalxander@mander.xyz
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        2 months ago

        Yeah, I think there are two problems. One issue is that they profile users both for ads and manipulative algorithmic content, and I’d like them to profile me incorrectly in most cases (except like they are less likely to try to sell people on linux things, that’s a great thing I’d like to keep in the profile). The other issue is that they follow individual users using this fingerprinting, again this can be used both to sell things and to manipulate, but it’s a tad creepier since it tracks how you’re unique even compared to people superficially similar to you.

        Ideally, I’d like some extension where I can look at values and either keep them, set them, or randomize them.

  • eureka@aussie.zone
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    2 months ago

    I’m glad it acknowledges explains the impacts of anti-fingerprinting measures. I’ve seen some others assume that a random canvas is unique rather than one of the many people randomising it the same way, leading to a false “unique” assessment.

    Your browser appears to be returning the viewport in place of the real screen — anti-fingerprinting at work. The substitution is itself distinctive.

    Your browser masked your graphics processor. Firefox and Safari have started returning generic strings — “Mozilla”, “Apple”, “or similar” — instead of the real renderer. The fact that yours did so tells us, with reasonable confidence, which browser you are running. The mask is also a fingerprint.

    • Buddahriffic@lemmy.world
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      2 months ago

      I like that they covered all the possibilities for the do not track flag, as I saw it as useless from the very start, as by then I realized the honour system didn’t mean shit and it would just be another piece of data.