Firefox makes tracking more difficult by increasing data protection

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Browser version 86

With the new browser version 86, Firefox now saves each cookie individually so that only the actual creators of the cookies can read them. The fight against tracking continues with the new function called “Total Cookie Protection”. As early as 2019, the open source browser Firefox began to block all cookies infected with trackers by default. With the separate storage of cookies, Mozilla Firefox is now taking the next step. There are exceptions to the changes. If users log in to a web app with a Google GitHub or Facebook account, access to the cookies required for this is granted. The exception is made possible by firmly defined exception regulations. With the “Total Cookie Protection” function, each website receives a “cookie jar” assigned to it, ie a certain number of cookies that it can access. Firefox thus complements the supercookie protection that was introduced with Firefox version 85.

JavaScript API

In the future, users should be able to determine the exception rules for cookies themselves; Apple’s Safari team has proposed the JavaScript API for this purpose. With the Storage Access API, pages can specifically ask for access to a specific third-party cookie. The Storage Access API is currently favored by the browsers Safari, Firefox and Microsoft Edge. Google Chrome also supports the interface; it must be activated by the user as it is inactive by default. In January of this year, Mozilla integrated a new function in its browser to make tracking without cookies more difficult and thus also to eliminate the widespread technique of cross-site tracking.

Google relies on privacy sandbox

In contrast to Apple and Mozilla, Google initially wants to go other ways with the Chrome browser before third-party cookies are completely excluded. With the so-called privacy sandbox, the Google Chrome team wants to make advertising placements possible without the classic tracking. The suggestions made by the team up to now have caused a stir among data protection officials and also among advertising professionals.

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