{"id":6307,"date":"2025-08-13T15:55:34","date_gmt":"2025-08-13T13:55:34","guid":{"rendered":"https:\/\/bezpecnevofirme.eset.com\/sk\/?p=6307"},"modified":"2025-08-13T16:05:27","modified_gmt":"2025-08-13T14:05:27","slug":"sifrovanie-vo-firmach-vyvraciame-5-najcastejsich-mytov","status":"publish","type":"post","link":"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/sifrovanie-vo-firmach-vyvraciame-5-najcastejsich-mytov\/","title":{"rendered":"\u0160ifrovanie vo firm\u00e1ch: vyvraciame 5 naj\u010dastej\u0161\u00edch m\u00fdtov"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"580\" src=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/08\/business-encryption-1024x580.jpeg\" alt=\"BVF sifrovanie nahladovy obrazok\" class=\"wp-image-6308\" srcset=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/08\/business-encryption-1024x580.jpeg 1024w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/08\/business-encryption-300x170.jpeg 300w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/08\/business-encryption-768x435.jpeg 768w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/08\/business-encryption-370x210.jpeg 370w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/08\/business-encryption-760x430.jpeg 760w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/08\/business-encryption-270x152.jpeg 270w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2025\/08\/business-encryption.jpeg 1236w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><em>Pre firmy je \u0161ifrovanie viac ne\u017e len ochrana citliv\u00fdch s\u00faborov. Ide z\u00e1rove\u0148 o po\u017eiadavku r\u00f4znych regula\u010dn\u00fdch org\u00e1nov. St\u00e1le v\u0161ak existuje ve\u013ea m\u00fdtov, ktor\u00e9 obklopuj\u00fa t\u00fato u\u017eito\u010dn\u00fa bezpe\u010dnostn\u00fa vrstvu. V\u00e4\u010d\u0161ina sa ju sna\u017e\u00ed vykresli\u0165 ako pomal\u00fa, n\u00e1kladn\u00fa alebo dokonca nadbyto\u010dn\u00fa v porovnan\u00ed s in\u00fdmi bezpe\u010dnostn\u00fdmi prvkami. Ni\u010d z toho nie je pravda a tento \u010dl\u00e1nok vysvetl\u00ed pre\u010do.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Porozumenie \u0161ifrovaniu<\/h2>\n\n\n\n<p>Najsk\u00f4r si ujasnime jednu vec: \u0161ifrovanie nie je v\u0161eliek, ako to mnoh\u00ed \u013eudia a predpisy radi tvrdia. Je to v\u0161ak jedna z bezpe\u010dnostn\u00fdch vrstiev, ktor\u00e1 m\u00e1 v\u00fdznamn\u00fd vplyv. Existuje d\u00f4vod, pre\u010do strojcovia ransomv\u00e9ru radi pou\u017e\u00edvaj\u00fa \u0161ifrovanie na vydieranie firiem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ako funguje \u0161ifrovanie?<\/h2>\n\n\n\n<p>V podstate \u0161ifrovanie transformuje \u010ditate\u013en\u00e9 d\u00e1ta (otvoren\u00fd text) do ne\u010ditate\u013en\u00e9ho form\u00e1tu (\u0161ifrovan\u00fd text) pomocou algoritmu a k\u013e\u00fa\u010da. Bez k\u013e\u00fa\u010da nie je mo\u017en\u00e9 de\u0161ifrova\u0165 chr\u00e1nen\u00fd s\u00fabor.<\/p>\n\n\n\n<p>Medzi be\u017en\u00e9 typy \u0161ifrovania patria:<\/p>\n\n\n\n<ul class=\"wp-block-list is-style-checkbox\">\n<li>Symetrick\u00e9 \u0161ifrovanie &#8211; pou\u017e\u00edva jedin\u00fd k\u013e\u00fa\u010d na \u0161ifrovanie a de\u0161ifrovanie \u0161ifrovan\u00e9ho textu.<\/li>\n\n\n\n<li>Asymetrick\u00e9 \u0161ifrovanie &#8211; pou\u017e\u00edva dva k\u013e\u00fa\u010de: verejn\u00fd a s\u00fakromn\u00fd. Jeden \u0161ifruje, zatia\u013e \u010do druh\u00fd de\u0161ifruje s\u00fabor alebo spr\u00e1vu.<\/li>\n<\/ul>\n\n\n\n<p>Asymetrick\u00e9 \u0161ifrovanie sa zvy\u010dajne pou\u017e\u00edva v aplik\u00e1ci\u00e1ch na zasielanie spr\u00e1v, hoci niektor\u00e9 pou\u017e\u00edvaj\u00fa oba typy \u0161ifrovania naraz, aby zaistili \u010do najbezpe\u010dnej\u0161iu komunik\u00e1ciu. Symetrick\u00e9 \u0161ifrovanie je typom, ktor\u00fd sa naj\u010dastej\u0161ie pou\u017e\u00edva v mechanizmoch \u0161ifrovania ukladania \u00fadajov.<\/p>\n\n\n\n<p class=\"has-bg-color-color has-text-hover-background-color has-text-color has-background has-link-color wp-elements-c38b0279361d8783ed6a2c865fd37e27\"><strong>Nezabudnite na hashovanie<\/strong> <br><br>Hashovanie je \u010fal\u0161ia forma \u0161ifrovania. Pomocou algoritmu transformuje nezak\u00f3dovan\u00fd text na hash hodnotu, \u010d\u00edm vytvor\u00ed jedine\u010dn\u00fd odtla\u010dok d\u00e1t. To funguje najlep\u0161ie v pr\u00edpade, ak napr\u00edklad niekto chce zak\u00f3dova\u0165 ulo\u017een\u00e9 hesl\u00e1 do ne\u010ditate\u013en\u00e9ho form\u00e1tu, aby ich nemohol zneu\u017ei\u0165 niekto in\u00fd, kto k nim m\u00e1 pr\u00edstup \u2013 skvel\u00fd pr\u00edpad pou\u017eitia pre spr\u00e1vcov hesiel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ka\u017ed\u00fd m\u00e1 svoj typ<\/h2>\n\n\n\n<p>Ka\u017ed\u00fd typ \u0161ifrovania sa zvy\u010dajne hod\u00ed na in\u00fd pr\u00edpad pou\u017eitia. V podnikate\u013eskom prostred\u00ed je ochrana zariaden\u00ed a ich \u00falo\u017e\u00edsk d\u00e1t mimoriadne d\u00f4le\u017eit\u00e1, preto je \u0161ifrovanie cel\u00e9ho disku nevyhnutnos\u0165ou, ktor\u00fa odpor\u00fa\u010daj\u00fa aj nariadenia o ochrane \u00fadajov vr\u00e1tane GDPR.<\/p>\n\n\n\n<p>Ak sa pozrieme hlb\u0161ie, \u0161ifrovanie prie\u010dinkov alebo s\u00faborov je u\u017eito\u010dn\u00e9 aj v pr\u00edpade, \u017ee chce firma zaisti\u0165, aby jej \u00fadaje zostali neporu\u0161en\u00e9 po\u010das kybernetick\u00e9ho \u00fatoku, \u010d\u00edm sa vytvor\u00ed \u010fal\u0161ia vrstva bezpe\u010dnosti.<\/p>\n\n\n\n<p>Okrem toho sa \u0161ifrovanie pou\u017e\u00edva aj na mnoh\u00fdch in\u00fdch miestach. VPN \u0161ifruje sie\u0165ov\u00e9 pripojenie k extern\u00fdm serverom a vytv\u00e1ra chr\u00e1nen\u00fd tunel pre pr\u00edstup k internej sieti spolo\u010dnosti, \u010d\u00edm napr\u00edklad znemo\u017e\u0148uje \u010d\u00edtanie pren\u00e1\u0161an\u00fdch \u00fadajov neopr\u00e1vnen\u00fdm osob\u00e1m. \u010ealej je tu \u0161ifrovanie e-mailov\/spr\u00e1v, ktor\u00e9 vytv\u00e1ra chr\u00e1nen\u00fa komunik\u00e1ciu na oboch stran\u00e1ch.<\/p>\n\n\n\n<p>\u0160ifrovanie je skuto\u010dne v\u0161ade okolo n\u00e1s. Pre\u010do teda existuj\u00fa v\u0161etky tie m\u00fdty?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u00faranie m\u00fdtov o \u0161ifrovan\u00ed<\/h2>\n\n\n\n<p>Existuje cel\u00e1 rada m\u00fdtov t\u00fdkaj\u00facich sa \u0161ifrovania \u2013 od tvrden\u00ed, \u017ee je to z\u00e1\u0165a\u017e, a\u017e po tvrdenia, \u017ee spoma\u013euje po\u010d\u00edta\u010de alebo \u017ee je pre podnikanie \u00faplne zbyto\u010dn\u00e9. Je v\u0161ak na mieste vyvr\u00e1ti\u0165 niektor\u00e9 z t\u00fdchto m\u00fdtov.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u0160ifrovanie je riziko<\/h3>\n\n\n\n<p>V roku 2024 ESET pouk\u00e1zal na <a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/cybernews\/ako-zabranit-prelomeniu-nastroja-na-sifrovanie-bitlocker\/\">\u00fatok typu BitLocker sniffing<\/a>, ktor\u00fd dok\u00e1\u017ee ob\u00eds\u0165 integrovan\u00fa funkciu \u0161ifrovania v syst\u00e9me Windows na po\u010d\u00edta\u010doch, ktor\u00fdch modul TPM (Trusted Platform Module) nie je integrovan\u00fd do centr\u00e1lnej procesorovej jednotky (CPU). I\u0161lo o ve\u013emi \u0161pecifick\u00fd pr\u00edpad ve\u013emi zlo\u017eit\u00e9ho \u00fatoku, ktor\u00fd vy\u017eadoval, aby \u00fato\u010dn\u00edk fyzicky odchyt\u00e1val \u0161ifrovan\u00fa komunik\u00e1ciu medzi TPM a CPU.<\/p>\n\n\n\n<p>Znamen\u00e1 to, \u017ee ka\u017ed\u00e9 \u0161ifrovacie rie\u0161enie je tak vystaven\u00e9 \u00fatoku? Nie! <strong><a href=\"https:\/\/www.eset.com\/sk\/firemna-it-bezpecnost\/riesenia\/sifrovanie\/\">ESET Full Disk Encryption<\/a><\/strong> napr\u00edklad chr\u00e1ni pred tak\u00fdmito \u00fatokmi, preto\u017ee vy\u017eaduje sekund\u00e1rne overenie (heslo) e\u0161te pred za\u010dat\u00edm procesu de\u0161ifrovania.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u0160ifrovanie spoma\u013euje m\u00f4j po\u010d\u00edta\u010d<\/h3>\n\n\n\n<p>M\u00e1 \u0161ifrovanie vplyv na v\u00fdkon syst\u00e9mu? \u00c1no, ale nie v\u00fdrazne. Po prv\u00e9, proces sp\u00fa\u0161\u0165ania je spomalen\u00fd t\u00fdm, \u017ee je potrebn\u00e9 zada\u0165 heslo.<\/p>\n\n\n\n<p class=\"has-bg-color-color has-text-hover-background-color has-text-color has-background has-link-color wp-elements-c51a3abc86e8db1ece9cffee1d635776\">S&nbsp;ESET Full Disk Encryption m\u00f4\u017eete vyu\u017ei\u0165 funkciu jednotn\u00e9ho prihl\u00e1senia (SSO) na overenie \u0161ifrovania aj pr\u00edstupu k Windows pomocou rovnak\u00e9ho hesla, \u010d\u00edm sa sp\u00fa\u0161\u0165anie zjednodu\u0161\u00ed.<\/p>\n\n\n\n<p>Po druh\u00e9, je pravda, \u017ee softv\u00e9rov\u00e9 \u0161ifrovanie vyu\u017e\u00edva ur\u010dit\u00e9 zdroje po\u010d\u00edta\u010da (CPU\/\u00falo\u017eisko), ale nie je to ve\u013ek\u00fd rozdiel, najm\u00e4 ak zoh\u013eadn\u00edme d\u00f4sledky absencie dodato\u010dn\u00e9ho zabezpe\u010denia. \u00daprimne, mierny pokles v\u00fdkonu je zanedbate\u013en\u00e1 da\u0148 v porovnan\u00ed so \u0161ir\u0161\u00edmi n\u00e1sledkami ransomv\u00e9rov\u00e9ho \u00fatoku, ktor\u00fd m\u00f4\u017ee naru\u0161i\u0165 kontinuitu podnikania, nehovoriac o jeho obrovsk\u00fdch finan\u010dn\u00fdch n\u00e1kladoch a mo\u017en\u00fdch pr\u00e1vnych probl\u00e9moch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u0160ifrovanie je zlo\u017eit\u00e9<\/h3>\n\n\n\n<p>Pou\u017e\u00edvatelia si m\u00f4\u017eu myslie\u0165, \u017ee \u0161ifrovanie od nich vy\u017eaduje nejak\u00e9 skuto\u010dn\u00e9 \u010darodejn\u00edcke schopnosti, \u010do je pravda \u2013 tento proces JE magick\u00fd. Ale nie je zlo\u017eit\u00fd. V pr\u00edpade <strong><a href=\"https:\/\/www.eset.com\/sk\/firemna-it-bezpecnost\/riesenia\/sifrovanie\/\">ESET Full Disk Encryption<\/a> <\/strong>sta\u010d\u00ed zak\u00fapi\u0165 predplatn\u00e9 a nieko\u013ek\u00fdmi kliknutiami je va\u0161e \u00falo\u017eisko chr\u00e1nen\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u0160ifrovanie je drah\u00e9<\/h3>\n\n\n\n<p>Mnoho \u013eud\u00ed si mysl\u00ed, \u017ee bezpe\u010dnos\u0165 je drah\u00e1. V skuto\u010dnosti je v\u0161ak omnoho lacnej\u0161ia ako n\u00e1sledky kybernetick\u00e9ho \u00fatoku, ktor\u00e9 predstavuj\u00fa priemern\u00e9 n\u00e1klady <a href=\"https:\/\/www.ibm.com\/reports\/data-breach\">vo v\u00fd\u0161ke 4,88 mili\u00f3na dol\u00e1rov<\/a>. Pre porovnanie, ro\u010dn\u00e9 predplatn\u00e9 <strong><a href=\"https:\/\/www.eset.com\/sk\/firemna-it-bezpecnost\/protect-advanced\/\">ESET PROTECT Advanced<\/a><\/strong> pre p\u00e4\u0165 zariaden\u00ed stoj\u00ed necel\u00fdch 300 \u20ac a obsahuje okrem \u0161ifrovania aj \u010fal\u0161ie funkcie.<\/p>\n\n\n\n<p>St\u00e1le je to pr\u00edli\u0161 ve\u013ea? V tom pr\u00edpade v\u00e4\u010d\u0161ina mobiln\u00fdch zariaden\u00ed a opera\u010dn\u00fdch syst\u00e9mov, ako napr\u00edklad Windows 11, obsahuje predin\u0161talovan\u00e9 \u0161ifrovacie funkcie. \u010ci je tak\u00e1to ochrana pre va\u0161u firmu dostato\u010dn\u00e1, je len na v\u00e1s.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u0160ifrovanie je zbyto\u010dn\u00e9<\/h3>\n\n\n\n<p>Niektor\u00ed majitelia firiem by mohli namieta\u0165, \u017ee \u0161ifrovanie nepotrebuj\u00fa, preto\u017ee bu\u010f nepracuj\u00fa s citliv\u00fdmi \u00fadajmi, alebo nie s\u00fa dostato\u010dne ve\u013ek\u00ed, aby boli vn\u00edman\u00ed ako l\u00e1kav\u00fd cie\u013e pre \u00fato\u010dn\u00edkov. Ide o m\u00fdtus, ktor\u00fd m\u00e1 zakry\u0165 ich neochotu vidie\u0165 pravdu o hrozb\u00e1ch, ako aj u\u0161etri\u0165 trochu na rozpo\u010dte.<\/p>\n\n\n\n<p>Sp\u00fdtajte sa sami seba: S\u00fa va\u0161e finan\u010dn\u00e9 \u00fadaje bezcenn\u00e9? S\u00fa va\u0161e osobn\u00e9 \u00fadaje alebo \u00fadaje va\u0161ich zamestnancov a ich pr\u00e1ca ned\u00f4le\u017eit\u00e9? Nezab\u00fadajte, \u017ee aj mal\u00fd obchod s n\u00e1rad\u00edm mus\u00ed uchov\u00e1va\u0165 \u00fadaje o svojich tr\u017eb\u00e1ch, daniach, platoch a&nbsp;podobne.<\/p>\n\n\n\n<p>S <strong><a href=\"https:\/\/www.eset.com\/sk\/firemna-it-bezpecnost\/riesenia\/sifrovanie\/\">ESET Endpoint Encryption<\/a><\/strong> sa m\u00f4\u017eete t\u00fdmto hrozb\u00e1m vyhn\u00fa\u0165 jednoduch\u00fdm \u0161ifrovan\u00edm s\u00faborov, zlo\u017eiek, flash diskov a dokonca aj e-mailov a pr\u00edloh.<\/p>\n\n\n\n<p>\u0160ifrovanie nie je nadbyto\u010dn\u00e9. Ak by niekto ukradol v\u00e1\u0161 pracovn\u00fd notebook, \u0161ifrovanie by mohlo chr\u00e1ni\u0165 va\u0161e d\u00e1ta pred neopr\u00e1vnen\u00fdm pr\u00edstupom. Ak by hrozba ako <a href=\"https:\/\/malpedia.caad.fkie.fraunhofer.de\/details\/win.targetcompany\">Mallox<\/a> alebo <a href=\"https:\/\/www.welivesecurity.com\/en\/eset-research\/embargo-ransomware-rocknrust\/\">Embargo<\/a> chcela zastavi\u0165 va\u0161e podnikanie, k\u00fdm nezaplat\u00edte vysok\u00e9 v\u00fdkupn\u00e9, \u0161ifrovanie by tomu mohlo zabr\u00e1ni\u0165 t\u00fdm, \u017ee ochr\u00e1ni va\u0161e najd\u00f4le\u017eitej\u0161ie s\u00fabory.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sta\u010d\u00ed \u0161ifrovanie?<\/h2>\n\n\n\n<p>V oblasti kybernetickej bezpe\u010dnosti v\u017edy platilo, \u017ee \u00fa\u010dinn\u00e1 ochrana spo\u010d\u00edva z&nbsp;viacer\u00fdch vrstiev. \u0160ifrovanie je v dne\u0161nej prepojenej dobe k\u013e\u00fa\u010dovou technol\u00f3giou. Od \u00falo\u017en\u00fdch diskov po online komunik\u00e1ciu, \u0161ifrovanie je v\u0161ade okolo n\u00e1s.<\/p>\n\n\n\n<p>Ke\u010f sme vyvr\u00e1tili m\u00fdty, niet d\u00f4vod pochybova\u0165, \u017ee \u0161ifrovanie spln\u00ed svoj \u00fa\u010del. Je jednoduch\u00e9, r\u00fdchle, \u013eahko implementovate\u013en\u00e9 a nevyhnutn\u00e9 na ochranu pred neopr\u00e1vnen\u00fdm pr\u00edstupom alebo manipul\u00e1ciou.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\">Viac o ESET rie\u0161eniach na \u0161ifrovanie<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pre firmy je \u0161ifrovanie viac ne\u017e len ochrana citliv\u00fdch s\u00faborov. Ide z\u00e1rove\u0148 o po\u017eiadavku r\u00f4znych regula\u010dn\u00fdch org\u00e1nov. St\u00e1le v\u0161ak existuje ve\u013ea m\u00fdtov, ktor\u00e9 obklopuj\u00fa t\u00fato u\u017eito\u010dn\u00fa bezpe\u010dnostn\u00fa vrstvu. V\u00e4\u010d\u0161ina sa ju sna\u017e\u00ed vykresli\u0165 ako pomal\u00fa, n\u00e1kladn\u00fa alebo dokonca nadbyto\u010dn\u00fa v porovnan\u00ed s in\u00fdmi bezpe\u010dnostn\u00fdmi prvkami. Ni\u010d z toho nie je pravda a tento \u010dl\u00e1nok vysvetl\u00ed pre\u010do. Porozumenie \u0161ifrovaniu Najsk\u00f4r si ujasnime jednu&hellip;<\/p>\n","protected":false},"author":8,"featured_media":6309,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[140,105],"tags":[],"class_list":["post-6307","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-desifrujeme-pre-vas","category-firemna-bezpecnost"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0160ifrovanie vo firm\u00e1ch: vyvraciame 5 naj\u010dastej\u0161\u00edch m\u00fdtov | ESET<\/title>\n<meta name=\"description\" content=\"Pre firmy je \u0161ifrovanie viac ne\u017e len ochrana citliv\u00fdch s\u00faborov. 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