Mozilla launches ‘Total Cookie Protection’ with Firefox 86 for Mac

Mozilla today released its latest privacy feature with Firefox 86 for Mac, Windows, Linux and more called “Total Cookie Protection.” The new privacy option creates separate cookie jars for each website you visit to avoid cross-site tracking.

Mozilla today detailed the new Firefox feature on its security blog:

Our new feature, Total Cookie Protection, works by maintaining a separate “cookie jar” for each website you visit. Every time a website, or third party content embedded in a website, places a cookie on your browser, that cookie is limited to the cookie jar assigned to that website, so it is not allowed to be shared with anyone else. website.

The new security feature is part of Firefox’s Enhanced Tracking Protection (ETP) strict mode. But there is support for cross-site tracking exceptions:

Additionally, Total Cookie Protection makes a limited exception for cross-site cookies when they are needed for non-tracking purposes, such as those used by popular third-party login providers. Only when Total Cookie Protection detects that you intend to use a provider will it give that provider permission to use a cross-site cookie specifically for the site you are currently visiting. These momentary exceptions allow for strong privacy protection without affecting your browsing experience.

Total Cookie Protection comes after Mozilla launched Supercookie Protections in January with Firefox 85. The nonprofit says that “Together, these features prevent websites from being able to ‘tag’ your browser, thus eliminating the tracking technique. more widespread between sites. “

For a technical breakdown of how Total Cookie Protection works, you can read Mozilla’s developer document here.

Firefox is a free download for Mac (Windows, Linux, Chrombook too).

Apple includes cross-site tracking prevention in Safari for Mac and iOS that first arrived with macOS Mojave and iOS 12. And of course, since then Apple has taken steps to further restrict device tracking with the upcoming feature. ad tracking transparency to be released in iOS 14 in “early spring.”

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