{"id":99368,"date":"2021-03-06T10:22:43","date_gmt":"2021-03-06T08:22:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/eff-schitaet-chto-zamena-otslezhivayushhih-cookie-na-floc-mozhet-privesti-k-novym-problemam"},"modified":"2021-03-06T10:22:43","modified_gmt":"2021-03-06T08:22:43","slug":"eff-schitaet-chto-zamena-otslezhivayushhih-cookie-na-floc-mozhet-privesti-k-novym-problemam","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/eff-schitaet-chto-zamena-otslezhivayushhih-cookie-na-floc-mozhet-privesti-k-novym-problemam","title":{"rendered":"EFF mener, at erstatningen af sporingscookies med FLoC kan f\u00f8re til nye problemer.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Menneskerettighedsorganisationen EFF (Electronic Frontier Foundation) har kritiseret API'en FLoC, som Google promoverer som en del af initiativet Privacy Sandbox. Det skal bem\u00e6rkes, at i Chrome 89 begyndte den eksperimentelle implementering af en r\u00e6kke API'er, der vil kunne erstatte tredjeparts cookies, der anvendes til at spore bev\u00e6gelser. I fremtiden planl\u00e6gger Google at opgive brugen af cookies til sporing helt og stoppe med at underst\u00f8tte tredjeparts cookies i Chrome, der genereres ved bes\u00f8g p\u00e5 websteder, der er forskellige fra dom\u00e6net for den aktuelle side.    <\/p>\n<p>API FLoC (Federated Learning of Cohorts) er designet til at identificere en brugers interessekategorier uden individuel identifikation og uden at v\u00e6re knyttet til historikken for bes\u00f8gte hjemmesider. FLoC g\u00f8r det muligt at skabe grupper af brugere med lignende interesser uden at identificere enkeltpersoner. Brugerens interesser bestemmes ved hj\u00e6lp af \"kohorter\", korte etiketter, der beskriver forskellige interessegrupper. Kohorter beregnes p\u00e5 brugerens enhed ved at anvende maskinl\u00e6ringsalgoritmer p\u00e5 data fra historikken for bes\u00f8g og indhold, der \u00e5bnes i browseren. Detaljer forbliver p\u00e5 brugerens enhed, og der overf\u00f8res kun generelle oplysninger om kohorterne, som afspejler interesserne og muligg\u00f8r visning af relevant annoncering uden at spore den enkelte bruger.      <\/p>\n<p>If\u00f8lge EFF kan det foresl\u00e5ede API erstatte nogle problemer med andre. Hvis enhver hjemmeside kan modtage m\u00e6rker om interesser, skabes der betingelser for diskriminering af brugere baseret p\u00e5 deres pr\u00e6ferencer og synspunkter samt aktiv brug af aggressiv m\u00e5lretning.    <\/p>\n<p>I stedet for helt at opgive m\u00e5lretning fors\u00f8ger Google at implementere en ny metode til m\u00e5lretning, der kommer med sine egne problemer. EFF mener, at brugeren selv b\u00f8r beslutte, hvilke oplysninger der skal gives til hver hjemmeside og ikke bekymre sig om, at spor fra deres tidligere aktivitet kan bruges til at manipulere dem, n\u00e5r de bes\u00f8ger websteder. Implementeringen af FLoC kan f\u00f8re til, at oplysninger om brugerens adf\u00e6rd vil f\u00f8lge dem som et stempel fra site til site.    <\/p>\n<p>Blandt de nye risici fremh\u00e6ves der:  <\/p>\n<ul>\n<li class=\"l\"> Fremkomsten af en yderligere faktor til skjult identifikation af brugerens browser (\"browser fingerprinting\"). Selvom FLoC-kohorter vil d\u00e6kke tusindvis af mennesker, kan de bruges til at forbedre n\u00f8jagtigheden af browseridentifikationen, n\u00e5r de anvendes i kombination med andre indirekte data som sk\u00e6rmopl\u00f8sning, liste over underst\u00f8ttede MIME-typer, specifikke parametre i overskrifter (HTTP\/2 og HTTPS), installerede plugins og skrifttyper, tilg\u00e6ngelighed af bestemte Web API'er, specifikke egenskaber ved grafikkort ved rendering med WebGL og Canvas, manipulation af CSS, samt egenskaber ved interaktion med mus og tastatur.\n<li class=\"l\"> At give yderligere personlige oplysninger til trackere, der allerede identificerer brugere. For eksempel, hvis en bruger er identificeret og har logget ind p\u00e5 sin konto, kan tjenesten eksplicit matche de angivne pr\u00e6ferencer i kohorten med den specifikke bruger, hvilket g\u00f8r det muligt at overv\u00e5ge \u00e6ndringer i pr\u00e6ferencer, n\u00e5r kohorter \u00e6ndres.\n<li class=\"l\"> Det udelukker heller ikke muligheden for at udf\u00f8re omvendt ingeni\u00f8rarbejde p\u00e5 bes\u00f8gsloggen baseret p\u00e5 kohortedata, dvs. analysen af algoritmerne til tildeling af kohorter kan indikere, hvilke slags hjemmesider brugeren sandsynligvis har bes\u00f8gt. Desuden kan man basere sig p\u00e5 kohorter for at drage konklusioner om alder, social status, k\u00f8nsorientering, politiske pr\u00e6ferencer, \u00f8konomiske vanskeligheder eller overst\u00e5ede traumer.\n<li class=\"l\"> Diskrimination baseret p\u00e5 brugernes pr\u00e6ferencer. For eksempel kan tilbud om job og kredit \u00e6ndre sig afh\u00e6ngigt af etnisk tilh\u00f8rsforhold, religion, k\u00f8n og alder. Brugere, der har \u00f8konomiske problemer, kan blive presset til at tage l\u00e5n til forh\u00f8jede renter, mens bestemmelse af demografiske data og politiske pr\u00e6ferencer kan anvendes til at \u00f8ge overbevisningen om misinformation.           <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54710\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0430\u0432\u043e\u0437\u0430\u0449\u0438\u0442\u043d\u0430\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f EFF (Electronic Frontier Foundation) \u0432\u044b\u0441\u0442\u0443\u043f\u0438\u043b\u0430 \u0441 \u043a\u0440\u0438\u0442\u0438\u043a\u043e\u0439 API FLoC, \u043f\u0440\u043e\u0434\u0432\u0438\u0433\u0430\u0435\u043c\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Google \u0432 \u0441\u043e\u0441\u0442\u0430\u0432\u0435 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