{"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\/cs\/blog\/news\/identifikacziya-polzovatelej-po-istorii-poseshhenij-v-brauzere","title":{"rendered":"Identifikace u\u017eivatel\u016f podle historie n\u00e1v\u0161t\u011bv v prohl\u00ed\u017ee\u010di","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Zam\u011bstnanci spole\u010dnosti Mozilla publikovali<\/a><\/noindex> v\u00fdsledky v\u00fdzkumu mo\u017enosti identifikace u\u017eivatel\u016f na z\u00e1klad\u011b profilu n\u00e1v\u0161t\u011bv v prohl\u00ed\u017ee\u010di, kter\u00fd m\u016f\u017ee b\u00fdt viditeln\u00fd t\u0159et\u00edm stran\u00e1m a web\u016fm. Anal\u00fdza 52 tis\u00edc profil\u016f n\u00e1v\u0161t\u011bv, poskytnut\u00fdch u\u017eivateli Firefoxu, kte\u0159\u00ed se z\u00fa\u010dastnili experimentu, uk\u00e1zala, \u017ee preference p\u0159i n\u00e1v\u0161t\u011bv\u011b str\u00e1nek jsou charakteristick\u00e9 pro ka\u017ed\u00e9ho u\u017eivatele a jsou st\u00e1l\u00e9. Unik\u00e1tnost z\u00edskan\u00fdch profil\u016f historie n\u00e1v\u0161t\u011bv \u010dinila 99%. P\u0159itom vysok\u00e1 m\u00edra unik\u00e1tnosti profil\u016f z\u016fst\u00e1v\u00e1 zachov\u00e1na i p\u0159i omezen\u00ed vzorku pouze na stovku popul\u00e1rn\u00edch str\u00e1nek.<\/p>\n

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

Kontrola mo\u017enosti op\u011btovn\u00e9 identifikace prob\u00edhala b\u011bhem dvout\u00fddenn\u00edho experimentu \u2014 data o n\u00e1v\u0161t\u011bv\u00e1ch v prvn\u00edm t\u00fddnu se sna\u017eila porovnat s daty za druh\u00fd t\u00fdden. Uk\u00e1zalo se, \u017ee lze op\u011btovn\u011b identifikovat 50 % u\u017eivatel\u016f, kte\u0159\u00ed nav\u0161t\u00edvili 50 a v\u00edce r\u016fzn\u00fdch dom\u00e9n. P\u0159i n\u00e1v\u0161t\u011bv\u011b 150 a v\u00edce r\u016fzn\u00fdch dom\u00e9n se m\u00edra op\u011btovn\u00e9 identifikace zv\u00fd\u0161ila na 80 %. Kontrola byla provedena na vzorku 10 tis\u00edc web\u016f pro simulaci dat, kter\u00e1 mohou z\u00edskat velc\u00ed poskytovatel\u00e9 obsahu (nap\u0159\u00edklad Google m\u016f\u017ee sledovat p\u0159\u00edstupy k 9823 web\u016fm z t\u011bchto 10000, Facebook k 7348, Verizon k 5500).<\/p>\n

Tato vlastnost umo\u017e\u0148uje velk\u00fdm vlastn\u00edk\u016fm popul\u00e1rn\u00edch zdroj\u016f s dostate\u010dn\u011b vysokou pravd\u011bpodobnost\u00ed identifikovat u\u017eivatele. Nap\u0159\u00edklad spole\u010dnosti Google, Facebook a Twitter, jejich\u017e widgety jsou um\u00edst\u011bny na ciz\u00edch str\u00e1nk\u00e1ch, teoreticky mohou op\u011btovn\u011b identifikovat zhruba 80% u\u017eivatel\u016f.<\/p>\n

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

D\u0159\u00edve otev\u0159en\u00e9 str\u00e1nky lze tak\u00e9 ur\u010dit nep\u0159\u00edm\u00fdmi metodami, nap\u0159\u00edklad prot\u0159\u00edd\u011bn\u00edm v k\u00f3du JavaScript popul\u00e1rn\u00edch dom\u00e9n s hodnocen\u00edm rozd\u00edl\u016f v zpo\u017ed\u011bn\u00ed p\u0159i na\u010d\u00edt\u00e1n\u00ed zdroj\u016f \u2014 pokud byl web ned\u00e1vno otev\u0159en u\u017eivatelem, bude zdroj poskytnut z mezipam\u011bti prohl\u00ed\u017ee\u010de t\u00e9m\u011b\u0159 okam\u017eit\u011b. D\u0159\u00edve mohly b\u00fdt k ur\u010den\u00ed otev\u0159en\u00fdch str\u00e1nek pou\u017eity hodnocen\u00ed<\/a><\/noindex> mezipam\u011bti nastaven\u00ed HSTS (p\u0159i otev\u0159en\u00ed str\u00e1nky s HSTS byl HTTP po\u017eadavek okam\u017eit\u011b p\u0159esm\u011brov\u00e1n na HTTPS bez pokusu o p\u0159\u00edstup p\u0159es HTTP) a anal\u00fdza<\/a><\/noindex> stavy CSS vlastnosti \u201evisited\u201c. <\/p>\n

Podobn\u00e9 metody ur\u010den\u00ed historie n\u00e1v\u0161t\u011bv na z\u00e1klad\u011b CSS byly pou\u017eity v podobn\u00e9m v\u00fdzkumu, prov\u00e1d\u011bn\u00e9m<\/a><\/noindex> Mezi lety 2009 a 2011 bylo provedeno v\u00fdzkum, kter\u00fd uk\u00e1zal mo\u017enost identifikace 42 % u\u017eivatel\u016f p\u0159i kontrole 50 str\u00e1nek a 70 % p\u0159i kontrole 500 str\u00e1nek. V\u00fdzkum Mozilla potvrdil<\/a><\/noindex> a up\u0159esnil z\u00e1v\u011bry p\u0159edchoz\u00ed publikace, p\u0159i\u010dem\u017e byla v\u00fdznamn\u011b zv\u00fd\u0161ena p\u0159esnost ur\u010den\u00ed historie n\u00e1v\u0161t\u011bv, a pokryt\u00ed kontrolovan\u00fdch dom\u00e9n bylo roz\u0161\u00ed\u0159eno z 6000 na 10000 (celkov\u011b byly z\u00edsk\u00e1ny \u00fadaje o 660000 dom\u00e9n\u00e1ch, av\u0161ak p\u0159i hodnocen\u00ed identifikace byla pou\u017eita vzorka 10 tis\u00edc nejpopul\u00e1rn\u011bj\u0161\u00edch dom\u00e9n). <\/p>\n

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

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

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\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 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