{"id":92955,"date":"2020-09-01T19:42:04","date_gmt":"2020-09-01T17:42:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/identifikacziya-polzovatelej-po-istorii-poseshhenij-v-brauzere"},"modified":"2020-09-01T19:42:04","modified_gmt":"2020-09-01T17:42:04","slug":"identifikacziya-polzovatelej-po-istorii-poseshhenij-v-brauzere","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/identifikacziya-polzovatelej-po-istorii-poseshhenij-v-brauzere","title":{"rendered":"Identyfikacja u\u017cytkownik\u00f3w na podstawie historii odwiedzin w przegl\u0105darce","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Pracownicy firmy Mozilla <noindex><a rel=\"nofollow\" href=\"https:\/\/www.usenix.org\/system\/files\/soups2020-bird.pdf\">opublikowali<\/a><\/noindex> wyniki bada\u0144 dotycz\u0105cych mo\u017cliwo\u015bci identyfikacji u\u017cytkownik\u00f3w na podstawie profilu odwiedzin w przegl\u0105darce, kt\u00f3re mog\u0105 by\u0107 widoczne dla os\u00f3b trzecich i stron internetowych. Analiza 52 tysi\u0119cy profili odwiedzin, dostarczonych przez u\u017cytkownik\u00f3w Firefox, kt\u00f3rzy wzi\u0119li udzia\u0142 w eksperymencie, wykaza\u0142a, \u017ce preferencje w odwiedzaniu stron s\u0105 charakterystyczne dla ka\u017cdego u\u017cytkownika i s\u0105 trwa\u0142e. Unikalno\u015b\u0107 uzyskanych profili historii odwiedzin wynios\u0142a 99%. Wysoki stopie\u0144 unikalno\u015bci profili utrzymuje si\u0119 nawet przy ograniczeniu pr\u00f3by do zaledwie setki popularnych stron.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/www.usenix.org\/system\/files\/soups2020-bird.pdf\"><img decoding=\"async\" alt=\"Identyfikacja u\u017cytkownik\u00f3w na podstawie historii odwiedzin w przegl\u0105darce\" src=\"\/wp-content\/uploads\/2020\/09\/ec19f1a0a62082894469ae38b7560dd0.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Sprawdzanie mo\u017cliwo\u015bci ponownej identyfikacji przeprowadzano w trakcie dwutygodniowego eksperymentu \u2013 dane o odwiedzinach w pierwszym tygodniu pr\u00f3bowano zestawi\u0107 z danymi z drugiego tygodnia. Okaza\u0142o si\u0119, \u017ce mo\u017cliwe jest ponowne zidentyfikowanie 50% u\u017cytkownik\u00f3w, kt\u00f3rzy odwiedzili 50 lub wi\u0119cej r\u00f3\u017cnych domen. Przy odwiedzinach 150 i wi\u0119cej r\u00f3\u017cnych domen zakres ponownej identyfikacji wzrasta\u0142 do 80%. Badanie przeprowadzano na pr\u00f3bie 10 tysi\u0119cy stron w celu symulacji danych, kt\u00f3re mog\u0105 uzyska\u0107 duzi dostawcy tre\u015bci (na przyk\u0142ad Google mo\u017ce kontrolowa\u0107 dost\u0119p do 9823 stron z tych 10000, Facebook do 7348, Verizon do 5500).<\/p>\n<p>Taka cecha pozwala du\u017cym w\u0142a\u015bcicielom popularnych zasob\u00f3w z du\u017cym prawdopodobie\u0144stwem identyfikowa\u0107 u\u017cytkownik\u00f3w. Na przyk\u0142ad firmy Google, Facebook i Twitter, kt\u00f3rych wid\u017cety s\u0105 umieszczane na stronach zewn\u0119trznych, teoretycznie mog\u0105 ponownie identyfikowa\u0107 oko\u0142o 80% u\u017cytkownik\u00f3w.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/www.usenix.org\/system\/files\/soups2020-bird.pdf\"><img decoding=\"async\" alt=\"Identyfikacja u\u017cytkownik\u00f3w na podstawie historii odwiedzin w przegl\u0105darce\" src=\"\/wp-content\/uploads\/2020\/09\/cf27e6a034cb2c6bc98d06cc3ad0818b.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Okre\u015bli\u0107 wcze\u015bniej otwarte strony mo\u017cna r\u00f3wnie\u017c po\u015brednimi metodami, na przyk\u0142ad poprzez przeszukiwanie w kodzie JavaScript popularnych domen z ocen\u0105 r\u00f3\u017cnicy op\u00f3\u017anie\u0144 przy \u0142adowaniu zasob\u00f3w \u2013 je\u015bli strona by\u0142a w\u0142a\u015bnie otwarta przez u\u017cytkownika, zas\u00f3b b\u0119dzie wydany z pami\u0119ci podr\u0119cznej przegl\u0105darki niemal natychmiast. W przesz\u0142o\u015bci do okre\u015blania otwartych stron mog\u0142y by\u0107 stosowane <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50872\">ocena<\/a><\/noindex> cache'owania ustawie\u0144 HSTS (przy otwieraniu strony z HSTS, \u017c\u0105danie HTTP od razu by\u0142o przekierowywane na HTTPS bez pr\u00f3by po\u0142\u0105czenia przez HTTP) oraz <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=26038\">analiza<\/a><\/noindex> stanu w\u0142a\u015bciwo\u015bci CSS \u201evisited\u201d. <\/p>\n<p>Podobne metody okre\u015blania historii odwiedzin na podstawie CSS wykorzystywano w podobnym badaniu, <noindex><a rel=\"nofollow\" href=\"https:\/\/hal.inria.fr\/hal-00747841\/document\">prowadzonej<\/a><\/noindex> w latach 2009-2011. Badanie wykaza\u0142o, \u017ce 42% u\u017cytkownik\u00f3w mo\u017cna zidentyfikowa\u0107 przy sprawdzaniu 50 stron i 70% przy sprawdzaniu 500 stron. Badanie przeprowadzone przez Mozilla <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.lukaszolejnik.com\/web-browsing-histories-are-private-personal-data-now-what\/\">potwierdzi\u0142o<\/a><\/noindex> i doprecyzowa\u0142o wnioski z poprzedniej publikacji, przy czym znacznie zwi\u0119kszona zosta\u0142a dok\u0142adno\u015b\u0107 okre\u015blania historii odwiedzin, a zakres sprawdzanych domen wzr\u00f3s\u0142 z 6000 do 10000 (\u0142\u0105cznie zebrano dane o 660000 domenach, ale do oceny identyfikacji wykorzystano pr\u00f3bk\u0119 10 tysi\u0119cy najpopularniejszych domen). <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53635\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0442\u0440\u0443\u0434\u043d\u0438\u043a\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Mozilla \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0438\u0438 \u043f\u0440\u043e\u0444\u0438\u043b\u044f \u043f\u043e\u0441\u0435\u0449\u0435\u043d\u0438\u0439 \u0432 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0435, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0432\u0438\u0434\u0435\u043d \u0442\u0440\u0435\u0442\u044c\u0438\u043c \u043b\u0438\u0446\u0430\u043c \u0438 \u0441\u0430\u0439\u0442\u0430\u043c. \u0410\u043d\u0430\u043b\u0438\u0437 52 \u0442\u044b\u0441\u044f\u0447 \u043f\u0440\u043e\u0444\u0438\u043b\u0435\u0439 \u043f\u043e\u0441\u0435\u0449\u0435\u043d\u0438\u0439, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c\u0438 Firefox, \u043f\u0440\u0438\u043d\u044f\u0432\u0448\u0438\u043c\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0435 \u0432 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0435, \u043f\u043e\u043a\u0430\u0437\u0430\u043b, \u0447\u0442\u043e \u043f\u0440\u0435\u0434\u043f\u043e\u0447\u0442\u0435\u043d\u0438\u044f \u0432 \u043f\u043e\u0441\u0435\u0449\u0435\u043d\u0438\u0438 \u0441\u0430\u0439\u0442\u043e\u0432 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u043d\u044b \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0438 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u044b. \u0423\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0444\u0438\u043b\u0435\u0439 \u0438\u0441\u0442\u043e\u0440\u0438\u0438 \u043f\u043e\u0441\u0435\u0449\u0435\u043d\u0438\u0439 \u0441\u043e\u0441\u0442\u0430\u0432\u0438\u043b\u0430 99%. \u041f\u0440\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":92956,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-92955","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0442\u0440\u0443\u0434\u043d\u0438\u043a\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 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