{"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\/it\/blog\/news\/identifikacziya-polzovatelej-po-istorii-poseshhenij-v-brauzere","title":{"rendered":"Identificazione degli utenti tramite la cronologia di navigazione","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I dipendenti dell'azienda Mozilla <noindex><a rel=\"nofollow\" href=\"https:\/\/www.usenix.org\/system\/files\/soups2020-bird.pdf\">hanno pubblicato<\/a><\/noindex> i risultati di uno studio sulla possibilit\u00e0 di identificare gli utenti sulla base del profilo di navigazione nel browser, visibile a terzi e a siti web. L'analisi di 52.000 profili di navigazione, forniti dagli utenti di Firefox che hanno partecipato all'esperimento, ha mostrato che le preferenze di visita dei siti sono specifiche per ciascun utente e rimangono costanti. L'unicit\u00e0 dei profili di cronologia di navigazione ottenuti \u00e8 stata del 99%. Inoltre, un alto grado di unicit\u00e0 dei profili viene mantenuto anche se si limita il campione solo a cento siti popolari.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/www.usenix.org\/system\/files\/soups2020-bird.pdf\"><img decoding=\"async\" alt=\"Identificazione degli utenti tramite la cronologia di navigazione\" src=\"\/wp-content\/uploads\/2020\/09\/ec19f1a0a62082894469ae38b7560dd0.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Il controllo della possibilit\u00e0 di riidentificazione \u00e8 stato condotto durante un esperimento di due settimane: i dati delle visite nella prima settimana sono stati confrontati con i dati della seconda settimana. \u00c8 emerso che il 50% degli utenti che hanno visitato 50 o pi\u00f9 domini diversi pu\u00f2 essere riidentificato. Con la visita di 150 o pi\u00f9 domini diversi, la possibilit\u00e0 di riidentificazione aumentava fino all'80%. Il controllo \u00e8 stato effettuato su un campione di 10.000 siti per simulare i dati che potrebbero ottenere i grandi fornitori di contenuti (per esempio, Google pu\u00f2 controllare le richieste su 9.823 siti di questi 10.000, Facebook su 7.348, Verizon su 5.500).<\/p>\n<p>Questa caratteristica consente ai grandi proprietari di risorse popolari di identificare gli utenti con una probabilit\u00e0 piuttosto elevata. Ad esempio, aziende come Google, Facebook e Twitter, i cui widget sono posizionati su siti di terzi, potrebbero teoricamente re-identificare circa l'80% degli utenti.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/www.usenix.org\/system\/files\/soups2020-bird.pdf\"><img decoding=\"async\" alt=\"Identificazione degli utenti tramite la cronologia di navigazione\" src=\"\/wp-content\/uploads\/2020\/09\/cf27e6a034cb2c6bc98d06cc3ad0818b.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>\u00c8 possibile determinare i siti precedentemente aperti anche tramite metodi indiretti, ad esempio analizzando il codice JavaScript di domini popolari e valutando le differenze nei tempi di caricamento delle risorse: se un sito \u00e8 stato recentemente aperto dall'utente, la risorsa sar\u00e0 restituita quasi instantaneamente dalla cache del browser. In passato, per identificare le pagine aperte, si potevano utilizzare <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50872\">una valutazione<\/a><\/noindex> la memorizzazione delle impostazioni HSTS (quando si apre un sito con HSTS, la richiesta HTTP viene immediatamente reindirizzata a HTTPS senza tentativi di accesso tramite HTTP) e <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=26038\">l'analisi<\/a><\/noindex> gli stati della propriet\u00e0 CSS \"visited\". <\/p>\n<p>Metodi simili per determinare la cronologia delle visite basati su CSS sono stati utilizzati in una ricerca simile, <noindex><a rel=\"nofollow\" href=\"https:\/\/hal.inria.fr\/hal-00747841\/document\">condotta<\/a><\/noindex> Dal 2009 al 2011. Questa ricerca ha dimostrato la possibilit\u00e0 di identificare il 42% degli utenti controllando 50 pagine e il 70% controllando 500 pagine. Ricerca Mozilla <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.lukaszolejnik.com\/web-browsing-histories-are-private-personal-data-now-what\/\">ha confermato<\/a><\/noindex> e ha precisato le conclusioni della pubblicazione precedente, aumentando notevolmente la precisione nella determinazione della storia delle visite, mentre il numero di domini controllati \u00e8 passato da 6000 a 10000 (sono stati ottenuti dati su 660000 domini, ma per la valutazione dell'identificazione \u00e8 stato utilizzato un campione di 10mila domini pi\u00f9 popolari). <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <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 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\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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