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Anon220806 · Jan 24, 2020

My wife and I keep everything on Facebook private. Except the heading photo which is open to the public by default.

oss · Jan 24, 2020

aposhark said: ↑

As usual, your replies on the techie front are exhaustive and thorough but you don't exactly help our anti-Big Brother feelings, Jim.

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Nooooooo…..… I don't do I

Mattecube · Jan 24, 2020

oss said: ↑

They can identify an individual browser whether or not you are using "In Private" or "Incognitto" or any equivalent in any other browser, the technique is called Browser Fingerprinting it comes in Single Browser Fingerprinting (SBF) and Cross Browser Fingerprinting (CBF) flavours and can only be blocked by blocking JavaScript but if you block JavaScript you have basically blocked the internet these days good luck browsing anything with JavaScript disabled

Google and Facebook and anyone else doing advertising or with malicious intent can and are using the information they can pick up through SBF and CBF to track you and there is next to nothing you can do to avoid it.

A key part of SBF is the creation of an invisible window on which they render characters and images tiny differences in each physical computer show up in the way the images and text are rendered and that rendering is sufficient to generate a fingerprint specific to your device that is enough to uniquely identify you on the whole planet, combining the fingerprint with other information that can be found on your machine and they can pretty much work out who you actually are.

They can even analyse how audio files are handled by your soundcard again generating a fingerprint for your hardware, this all applies to phones, tablets and PC's.

What you describe using "In Private" features certainly works up to a point but it's a mistake to think that it really gives you any actual real privacy.

The only browser that provides some protection against all this is Tor and even it is vulnerable to an attack called uXDT ultrasound cross-device tracking that's been around since 2012, some advertisers can and do broadcast ultrasound on tv adverts or from a honey pot website that you visit using Tor, your phone can pick up the signal that is broadcast if it is active at the same time and report back to the people broadcasting the ultrasound, this can be used to track your viewing habits and browsing habits.
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Thanks.
In future I will just draw the curtains when I am on the PC that will baffle em!

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