The raw functionality , key out Complete Cookie Security and build into Enhanced Tracking Protection ( ETP ) Tight Mode , was destine to demarcation cooky to the website they engender and congratulate the Supercookie Protections enforced shoemaker’s last calendar month by Mozilla in Firefox 85 . ‘ cooky , those intimately - sleep with bit of data salt away by vane browser on behalf of a web site , are a worthful engineering , but tranquillise a meaning exposure to concealment . That ’s since World Wide Web browser ’ prevailing doings enable cooky to be exchanged between website , United States Department of State Mozilla . The web browser Creator punctuate that give chase caller can go after a drug user ’s web browser and succeed their pasture activity with cooky divvy up between pose . such cookie - ground tail is expend for bulk commercial message tag , enabling the yield of comprehensive examination personal substance abuser visibility by advertising government agency . Firefox has been forbidding biscuit from brass fuck as tracker for Sir Thomas More than two old age , good manners of ETP , but the freshly functionality is contrive to bear on encryption to the following story and insure that no cooky can be secondhand to chase after a drug user from web site to site . For that argue , Absolute Cookie Security describe cookie from the Page that have produce them . so , when a cookie is stack away in a browser by a web page or tierce - political party content on the place , it is bow to a “ cookie shock ” specify to that land site and ne’er shared out with former site . nevertheless , for foil - locate biscuit utilize for not - tracking intent , such as cooky apply by third gear - company login supplier , elision are pull in . It will merely commit that supplier permit to usance a crossbreeding - locate cookie specifically for the locate you are currently chaffer if Total Cookie Protection find that you destine to economic consumption the supplier . Without disrupt the crop get , such momentary exception admit for salutary secrecy shelter , enjoin Mozilla .