{"id":2119,"date":"2023-10-21T14:21:08","date_gmt":"2023-10-21T12:21:08","guid":{"rendered":"https:\/\/www.digitalnisebeobrana.cz\/?post_type=glossary&#038;p=2119"},"modified":"2023-10-21T14:21:08","modified_gmt":"2023-10-21T12:21:08","slug":"2fa","status":"publish","type":"glossary","link":"https:\/\/www.digitalnisebeobrana.cz\/en\/glossary\/2fa\/","title":{"rendered":"2FA"},"content":{"rendered":"<p>V\u00edcef\u00e1zov\u00e9 ov\u011b\u0159en\u00ed (t\u00e9\u017e v\u00edcefaktorov\u00e9, anglicky multi-factor authentication) je v informatice proces, pomoc\u00ed kter\u00e9ho se u\u017eivatel m\u016f\u017ee bezpe\u010dn\u011b p\u0159ihl\u00e1sit k webov\u00e9 str\u00e1nce nebo aplikaci t\u00edm, \u017ee p\u0159i autentizaci poskytne dva nebo v\u00edce d\u016fkaz\u016f (faktor\u016f) potvrzuj\u00edc\u00edch jeho identitu: znalost (n\u011bco, co v\u00ed pouze u\u017eivatel), vlastnictv\u00ed (n\u011bco, co m\u00e1 pouze u\u017eivatel) a charakteristika (n\u011bco, \u010d\u00edm je pouze dan\u00fd u\u017eivatel). V\u00edcef\u00e1zov\u00e9 ov\u011b\u0159en\u00ed chr\u00e1n\u00ed u\u017eivatele p\u0159ed kr\u00e1de\u017e\u00ed digit\u00e1ln\u00ed identity (osobn\u00edch \u00fadaj\u016f, pen\u011bz nebo jin\u00e9ho majetku).<\/p>\n<p>Dvoufaktorov\u00e9 ov\u011b\u0159en\u00ed (2FA, anglicky two-factor authentication) je podmno\u017einou v\u00edcef\u00e1zov\u00e9ho ov\u011b\u0159en\u00ed. Vy\u017eaduje od u\u017eivatele prok\u00e1z\u00e1n\u00ed dvou faktor\u016f (prvn\u00edm je obvykle u\u017eivatelsk\u00e9 jm\u00e9no a heslo, druh\u00fdm pak nap\u0159\u00edklad PIN, otisk prstu, sn\u00edmek s\u00edtnice oka, elektronick\u00fd token a podobn\u011b). Dvoufaktorov\u00e9 p\u0159ihl\u00e1\u0161en\u00ed u\u017eivatel\u016f podporuj\u00ed nap\u0159\u00edklad Google, Facebook, Steam, internetov\u00e9 bankovnictv\u00ed, mobiln\u00ed bankovnictv\u00ed.<\/p>\n<p>Ov\u011b\u0159en\u00ed ve dvou kroc\u00edch\/f\u00e1z\u00edch (anglicky two-step authentication) je metoda, kdy u\u017eivatel poskytuje p\u0159i autentizaci n\u011bco jin\u00e9ho (ne\u017e znalost, vlastnictv\u00ed, charakteristiku), nap\u0159\u00edklad ops\u00e1n\u00ed k\u00f3du ze SMS nebo kliknut\u00ed v mobilu na \u010d\u00edslo p\u0159edan\u00e9 p\u0159es webovou str\u00e1nku (tedy to, co s\u00e1m p\u0159edem nezn\u00e1\/nem\u00e1).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u00edcef\u00e1zov\u00e9 ov\u011b\u0159en\u00ed (t\u00e9\u017e v\u00edcefaktorov\u00e9, anglicky multi-factor authentication) je v informatice proces, pomoc\u00ed kter\u00e9ho se u\u017eivatel m\u016f\u017ee bezpe\u010dn\u011b p\u0159ihl\u00e1sit k webov\u00e9 str\u00e1nce nebo aplikaci t\u00edm, \u017ee p\u0159i autentizaci poskytne dva nebo v\u00edce d\u016fkaz\u016f (faktor\u016f) potvrzuj\u00edc\u00edch jeho identitu: znalost (n\u011bco, co v\u00ed pouze u\u017eivatel), vlastnictv\u00ed (n\u011bco, co m\u00e1 pouze u\u017eivatel) a charakteristika (n\u011bco, \u010d\u00edm je pouze dan\u00fd &hellip;<br \/><a href=\"https:\/\/www.digitalnisebeobrana.cz\/en\/glossary\/2fa\/\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\">Continue reading <span class=\"screen-reader-text\">2FA<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"template":"","glossary-cat":[],"class_list":["post-2119","glossary","type-glossary","status-publish","hentry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"en","enabled_languages":["cs","en"],"languages":{"cs":{"title":true,"content":true,"excerpt":false},"en":{"title":false,"content":false,"excerpt":false}}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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