{"id":119,"date":"2022-05-05T10:13:27","date_gmt":"2022-05-05T10:13:27","guid":{"rendered":"https:\/\/global.tab-tv.com\/sk\/?p=119"},"modified":"2022-05-05T10:13:28","modified_gmt":"2022-05-05T10:13:28","slug":"co-je-2fa-dvojfaktorove-overovanie","status":"publish","type":"post","link":"https:\/\/global.tab-tv.com\/sk\/co-je-2fa-dvojfaktorove-overovanie\/","title":{"rendered":"\u010co je 2FA (dvojfaktorov\u00e9 overovanie)?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ot\u00e1zka ochrany je v dne\u0161nom svete pre mnoh\u00fdch pou\u017e\u00edvate\u013eov ve\u013emi d\u00f4le\u017eit\u00e1. V s\u00fa\u010dasnosti je takmer cel\u00fd v\u00e1\u0161 \u017eivot zaznamenan\u00fd digit\u00e1lne. Svojim priate\u013eom zverej\u0148ujete a posielate stovky fotografi\u00ed, p\u00ed\u0161ete s\u00fakromn\u00e9 spr\u00e1vy alebo prid\u00e1vate kreditn\u00e9 karty do svojich \u00fa\u010dtov. To v\u0161etko m\u00f4\u017ee by\u0165 predmetom kr\u00e1de\u017ee hackermi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Existuje nieko\u013eko sp\u00f4sobov, ako sa pred tak\u00fdmito nepr\u00edjemn\u00fdmi udalos\u0165ami chr\u00e1ni\u0165. Patr\u00ed medzi ne dobr\u00e9 heslo k \u00fa\u010dtu, pr\u00e1ca len s d\u00f4veryhodn\u00fdmi webov\u00fdmi str\u00e1nkami, pravideln\u00e1 kontrola zariaden\u00ed antiv\u00edrusov\u00fdm programom, nikdy nesledovanie odkazov v spame a zad\u00e1vanie hesiel k d\u00f4le\u017eit\u00fdm \u00fa\u010dtom, ak ste pripojen\u00ed k verejn\u00fdm hotspotom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u0161etky tieto jednoduch\u00e9 odpor\u00fa\u010dania m\u00f4\u017eu zabezpe\u010di\u0165 v\u00e1\u0161 pobyt na internete a zabr\u00e1ni\u0165 kr\u00e1de\u017ei va\u0161ich osobn\u00fdch \u00fadajov. Okrem toho existuje \u010fal\u0161\u00ed pomerne spo\u013eahliv\u00fd sp\u00f4sob ochrany v\u00e1\u0161ho osobn\u00e9ho \u00fa\u010dtu. Ide o dvojfaktorov\u00fa autentifik\u00e1ciu pri prihlasovan\u00ed do v\u00e1\u0161ho \u00fa\u010dtu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>\u010co je dvojfaktorov\u00e9 overovanie<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">2FA alebo dvojfaktorov\u00e9 overovanie je \u010fal\u0161\u00ed sp\u00f4sob ochrany va\u0161ich \u00fa\u010dtov. Predpoklad\u00e1, \u017ee okrem be\u017en\u00e9ho hesla a prihl\u00e1senia budete m\u00f4c\u0165 potvrdi\u0165 svoju toto\u017enos\u0165 aj pomocou dodato\u010dn\u00e9ho overenia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zvy\u010dajne sa na tento \u00fa\u010del pou\u017e\u00edva in\u00e9 zariadenie alebo prepojen\u00fd \u00fa\u010det. Ak sa napr\u00edklad chcete prihl\u00e1si\u0165 do \u00fa\u010dtu z po\u010d\u00edta\u010da, m\u00f4\u017ee by\u0165 potrebn\u00e9 overi\u0165 \u00fa\u010det pomocou telef\u00f3nu alebo \u00fa\u010dtu napr\u00edklad s e-mailom.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Ako funguje proces dvojfaktorov\u00e9ho overovania<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Samotn\u00fd proces 2FA nie je v skuto\u010dnosti ni\u010d zlo\u017eit\u00e9. Pozost\u00e1va z nieko\u013ek\u00fdch jednoduch\u00fdch krokov<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Na webovej lokalite alebo v slu\u017ebe, kde sa chcete zaregistrova\u0165, <strong>zad\u00e1te heslo a prihl\u00e1site sa<\/strong>.<\/li><li>Po prihl\u00e1sen\u00ed do \u00fa\u010dtu budete <strong>po\u017eiadan\u00ed o overenie, \u017ee ste to vy, a na <\/strong>tento \u00fa\u010del v\u00e1m bude do <strong>e-mailu alebo SMS spr\u00e1vy zaslan\u00fd \u0161peci\u00e1lny k\u00f3d<\/strong>.<\/li><li>Po vyzvan\u00ed na <strong>zadanie tohto jednorazov\u00e9ho k\u00f3du na webovej str\u00e1nke <\/strong>overte, \u017ee ste vlastn\u00edkom tohto \u00fa\u010dtu.<\/li><li>Ak sa k\u00f3dy zhoduj\u00fa, z\u00edskate pr\u00e1vo prihl\u00e1si\u0165 sa do \u00fa\u010dtu.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ako vid\u00edte, postup je celkom jednoduch\u00fd. Nie je na \u0148om ni\u010d zlo\u017eit\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a><strong>Ak\u00e9 s\u00fa typy 2FA<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V skuto\u010dnosti existuje pomerne ve\u013ea typov 2FA. Napr\u00edklad skenovanie sietnice, ktor\u00e9 vid\u00edte v mnoh\u00fdch \u0161pion\u00e1\u017enych filmoch, mo\u017eno tie\u017e pova\u017eova\u0165 za 2FA. Ni\u017e\u0161ie uv\u00e1dzame najpopul\u00e1rnej\u0161ie typy 2FA pre be\u017en\u00fdch pou\u017e\u00edvate\u013eov, ktor\u00ed nie s\u00fa \u0161pi\u00f3nmi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a><\/a><strong>Jednorazov\u00fd k\u00f3d alebo e-mailov\u00e9 prepojenie<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Najroz\u0161\u00edrenej\u0161\u00edm sp\u00f4sobom dvojfaktorov\u00e9ho overovania je odoslanie n\u00e1hodne vygenerovan\u00e9ho jednorazov\u00e9ho k\u00f3du do va\u0161ej e-mailovej schr\u00e1nky, ktor\u00fd bude akt\u00edvny len na kr\u00e1tky \u010das. Napr\u00edklad 3 min\u00faty. Na webovej str\u00e1nke mus\u00edte tento k\u00f3d zada\u0165 a potom m\u00f4\u017eete z\u00edska\u0165 pr\u00edstup k svojmu \u00fa\u010dtu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00f4\u017ee ma\u0165 aj podobu odkazu, kliknut\u00edm na ktor\u00fd potvrd\u00edte svoju toto\u017enos\u0165 a m\u00f4\u017eete sa tie\u017e prihl\u00e1si\u0165 do svojho konta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ide o ve\u013emi bezpe\u010dn\u00fd sp\u00f4sob, preto\u017ee na v\u00e4\u010d\u0161ine webov\u00fdch str\u00e1nok mus\u00edte pri registr\u00e1cii zada\u0165 a overi\u0165 svoj e-mail. To znamen\u00e1, \u017ee ste presn\u00fdm vlastn\u00edkom e-mailu a m\u00e1te k nemu pr\u00edstup.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a><\/a><strong>Jednorazov\u00fd k\u00f3d v SMS<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pri registr\u00e1cii \u010dasto namiesto e-mailu pou\u017e\u00edvate telef\u00f3nne \u010d\u00edslo, ktor\u00e9 sa d\u00e1 pou\u017ei\u0165 na 2FA.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sch\u00e9ma pr\u00e1ce je tu presne rovnak\u00e1 ako pri kontrole e-mailom. Bude v\u00e1m zaslan\u00fd n\u00e1hodne vygenerovan\u00fd k\u00f3d, ktor\u00fd plat\u00ed obmedzen\u00fd \u010das, a budete vyzvan\u00ed, aby ste ho zadali na webovej str\u00e1nke na overenie. Po \u0148om budete m\u00f4c\u0165 z\u00edska\u0165 pr\u00edstup k svojmu \u00fa\u010dtu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a><\/a><strong>Overovanie pomocou aplik\u00e1ci\u00ed tret\u00edch str\u00e1n<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Okrem toho sa \u010dasto pou\u017e\u00edva overovanie pomocou aplik\u00e1ci\u00ed tret\u00edch str\u00e1n. Napr\u00edklad Google Authenticator. Ten sa pripoj\u00ed k va\u0161ej slu\u017ebe a vygeneruje k\u00f3d, ktor\u00fd mus\u00edte zada\u0165 pri 2FA.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To je u\u017eito\u010dn\u00e9, ak nem\u00e1te trval\u00fd pr\u00edstup k e-mailu a nechcete zad\u00e1va\u0165 svoje telef\u00f3nne \u010d\u00edslo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a><\/a><strong>Overenie pomocou d\u00f4veryhodn\u00e9ho zariadenia<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Existuj\u00fa aj slu\u017eby, ktor\u00e9 v\u00e1m pon\u00fakaj\u00fa mo\u017enos\u0165 vybra\u0165 si zariadenie, ktor\u00e9mu d\u00f4verujete. Napr\u00edklad v\u00e1\u0161 telef\u00f3n. M\u00e1te ho v\u017edy pri sebe a viete, \u017ee ho budete pou\u017e\u00edva\u0165 len vy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ak sa v takom pr\u00edpade pok\u00fasite prihl\u00e1si\u0165 do svojho konta z in\u00e9ho zariadenia, na telef\u00f3ne sa zobraz\u00ed ozn\u00e1menie Push, v ktorom budete po\u017eiadan\u00ed o overenie, \u010di sa naozaj chcete prihl\u00e1si\u0165 do svojho konta. Toto ozn\u00e1menie v\u00e1m zvy\u010dajne polo\u017e\u00ed aj overovaciu ot\u00e1zku, aby sa uistilo, \u017ee nie ste robot.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a><\/a><strong>Biometrick\u00e9 overovanie<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">To zah\u0155\u0148a r\u00f4zne kontroly pomocou biometrick\u00fdch \u00fadajov. Napr\u00edklad skener odtla\u010dkov prstov alebo Face ID. M\u00f4\u017ee zah\u0155\u0148a\u0165 aj \u0161pion\u00e1\u017ene skenery sietnice.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ide o najz\u00e1va\u017enej\u0161ie met\u00f3dy ochrany, ktor\u00e9 s\u00fa pomerne zriedkav\u00e9. Niektor\u00e9 slu\u017eby v\u0161ak m\u00f4\u017eu umo\u017eni\u0165 prihl\u00e1senie do \u00fa\u010dtu pomocou skenerov telef\u00f3nu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ot\u00e1zka ochrany je v dne\u0161nom svete pre mnoh\u00fdch pou\u017e\u00edvate\u013eov ve\u013emi d\u00f4le\u017eit\u00e1. V s\u00fa\u010dasnosti je takmer cel\u00fd v\u00e1\u0161 \u017eivot zaznamenan\u00fd digit\u00e1lne. Svojim priate\u013eom zverej\u0148ujete a posielate stovky fotografi\u00ed, p\u00ed\u0161ete s\u00fakromn\u00e9 spr\u00e1vy alebo prid\u00e1vate kreditn\u00e9 karty do svojich \u00fa\u010dtov. To v\u0161etko m\u00f4\u017ee by\u0165 predmetom kr\u00e1de\u017ee hackermi. Existuje nieko\u013eko sp\u00f4sobov, ako sa pred tak\u00fdmito nepr\u00edjemn\u00fdmi udalos\u0165ami chr\u00e1ni\u0165. Patr\u00ed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":120,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-119","post","type-post","status-publish","format-standard","has-post-thumbnail","category-sprievodcovia"],"_links":{"self":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/comments?post=119"}],"version-history":[{"count":1,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/119\/revisions"}],"predecessor-version":[{"id":121,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/119\/revisions\/121"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/media\/120"}],"wp:attachment":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/media?parent=119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/categories?post=119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/tags?post=119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}