{"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\/et\/blog\/news\/identifikacziya-polzovatelej-po-istorii-poseshhenij-v-brauzere","title":{"rendered":"Kasutajate tuvastamine brauseri k\u00fclastuste ajaloo kaudu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Mozilla ettev\u00f5tte t\u00f6\u00f6tajad avalikustasid<\/a><\/noindex> uuringu tulemused kasutajate tuvastamise v\u00f5imaluste kohta, mis p\u00f5hinevad brauseri k\u00fclastusprofiilil, mis v\u00f5ib olla n\u00e4htav kolmandatele osapooltele ja veebisaitidele. 52 000 Firefoxi kasutaja k\u00fclastusprofiili anal\u00fc\u00fcs, kes osalesid eksperimendis, n\u00e4itas, et veebisaitide k\u00fclastamise eelistused on iga\u00fchele iseloomulikud ja p\u00fcsivad. Saadud k\u00fclastusprofiilide unikaalsus ulatus 99% -ni. Samuti p\u00fcsib profiilide k\u00f5rge unikaalsus, isegi kui valim piirata vaid saja populaarseima veebisaidi k\u00fclastamisega.<\/p>\n

\"Kasutajate<\/a><\/noindex><\/center><\/p>\n

Kordide uuesti tuvastamise v\u00f5imaluse kontroll viidi l\u00e4bi kahe n\u00e4dala jooksul kestnud eksperimendi raames \u2014 esimesel n\u00e4dalal kogutud k\u00fclastuste andmed \u00fcritati seostada teise n\u00e4dala andmetega. Selgus, et 50% kasutajatest, kes k\u00fclastasid 50 v\u00f5i rohkem erinevat domeeni, oli v\u00f5imalik uuesti tuvastada. Kui k\u00fclastati 150 v\u00f5i rohkem erinevat domeeni, suurenes uuesti tuvastamise ulatus 80%-ni. Kontroll viidi l\u00e4bi 10 000 veebisaidi valimis, et simuleerida andmeid, mida saavad suuremad sisuteenuse pakkujad (n\u00e4iteks Google v\u00f5ib j\u00e4lgida 9823 veebisaidi k\u00fclastusi, Facebook 7348 ja Verizon 5500).<\/p>\n

Antud omadus v\u00f5imaldab suurte populaarsete ressursside omanikel \u00fcsna suure t\u00f5en\u00e4osusega kasutajaid tuvastada. N\u00e4iteks v\u00f5ivad Google, Facebook ja Twitter, kelle vidinad asuvad kolmandate osapoolte saitidel, teoreetiliselt uuesti tuvastada umbes 80% kasutajatest.<\/p>\n

\"Kasutajate<\/a><\/noindex><\/center><\/p>\n

Varasemalt avatud veebisaitide m\u00e4\u00e4ramine on v\u00f5imalik ka kaudsete meetodite kaudu, n\u00e4iteks JavaScripti koodis populaarsete domeenide j\u00e4rjestuse kontrollimisega ja ressursi laadimise viivituste hindamisega \u2014 kui kasutaja on saidi hiljuti avanud, esitatakse ressurss brauseri vahem\u00e4lust peaaegu koheselt. Varem said avatud lehtede m\u00e4\u00e4ramisel kasutada hindamist<\/a><\/noindex> HSTS-i seadistuste vahem\u00e4lu (kui sait avatakse HSTS-iga, suunatakse HTTP p\u00e4ring kohe HTTPS-ile ilma proovimata HTTP poole) ja ainult m\u00fc\u00fcgi- ja unicornide kohta \u00fctleb meile, et vaid 20% neist on loodud \u00fche inimese poolt. Kas peaksime seda numbrit arvesse v\u00f5tma, kui iga miljard dollarit teeniv ettev\u00f5te on ainulaadne ja kordumatu lugu? Lisaks on suurem statistiline valim alati t\u00e4psem. My\u00fct on purustatud.<\/a><\/noindex> CSS-i omaduse \"visited\" olekuid. <\/p>\n

Sarnaseid meetodeid k\u00fclastuste ajaloo m\u00e4\u00e4ramiseks CSS-i p\u00f5hjal kasutati sarnases uuringus, mille viisid l\u00e4bi<\/a><\/noindex> 2009. aastast 2011. aastani. See uuring n\u00e4itas, et 42% kasutajatest on v\u00f5imalik tuvastada 50 lehte uurides ja 70%, kui uurida 500 lehte. Mozilla uuring kinnitas<\/a><\/noindex> ja t\u00e4psustas varasema v\u00e4ljaande j\u00e4reldusi, samas kui k\u00fclastusajaloo m\u00e4\u00e4rimise t\u00e4psus t\u00f5usis m\u00e4rkimisv\u00e4\u00e4rselt ning kontrollitavate domeenide arv suurenes 6000-lt 10 000-le (kokku saadi andmed 660 000 domeeni kohta, kuid tuvastamise hindamisel kasutati 10 000 k\u00f5ige populaarsema domeeni alamhulka). <\/p>\n

<\/a><\/noindex><\/p>\n

Allikas: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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