Can JavaScript Break Anonimity Provided By Tor?
Answer : tl;dr: Yes, JavaScript can break anonymity provided by Tor if there's a browser vulnerability involved, if you enable features that weren't designed anonymity in mind (like WebRTC or Geolocation API), or through giving out more information for browser fingerprinting . This particular site (https://pearsonpte.com/) uses the Geolocation API on line 31: navigator.geolocation.getCurrentPosition() . This doesn't use geolocation data for your IP address, but a location provider like GPS chip on your device. Usually the browser prompts you for a permission per site, but this can be allowed or denied globally. Allowing geolocation globally would be dangerous as it reveals your location in much more detail than your IP address. Configuring your browser to prevent everything that could reveal your identity takes a lot of effort and is likely to fail. Even if you have all the knowledge to disable everything necessary, the more you customize your settings the more uniqu...