Browser (Canvas) Fingerprinting - A Sneaky Way to Track Website Visitors by Summer Hirst


Every time you visit a website, you leave a fingerprint. Every link you click, every form you fill reveals a bit more about you as a visitor. Companies use this trace to follow you and send various advertisements to you. Earlier on, websites would place cookies or small text files on your computer to monitor your online behavior. Now they are moving to browser (canvas) fingerprinting. It’s a sneaky tracking solution that helps websites identify your device.  So, what is a browser (canvas) fingerprint? Your fingerprint is your unique identification mark. Similarly, a canvas fingerprint is an identification mark of your computer. Only less unique.  Many computers who have the same or similar GPU will have similar fingerprints.  Websites can recognize visitors through this mark.  What does fingerpriting look like? Unlike cookies, which are text, a browser fingerprint is usually an image. Big images are modified by websites using hashes....

May 7, 2020
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