{"id":5461,"date":"2023-07-27T15:55:37","date_gmt":"2023-07-27T13:55:37","guid":{"rendered":"https:\/\/bezpecnevofirme.eset.com\/sk\/?p=5461"},"modified":"2023-07-27T15:58:35","modified_gmt":"2023-07-27T13:58:35","slug":"2-phishing-manipulacia-ktora-moze-pre-firmu-skoncit-pohromou","status":"publish","type":"post","link":"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/2-phishing-manipulacia-ktora-moze-pre-firmu-skoncit-pohromou\/","title":{"rendered":"2. Phishing \u2013 manipul\u00e1cia, ktor\u00e1 m\u00f4\u017ee pre firmu skon\u010di\u0165 pohromou"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/hlavny-banner-BVF_10hrozieb-1200x628_2-1-1024x536.png\" alt=\"BVF 10 hrozieb phishing\" class=\"wp-image-5462\" srcset=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/hlavny-banner-BVF_10hrozieb-1200x628_2-1-1024x536.png 1024w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/hlavny-banner-BVF_10hrozieb-1200x628_2-1-300x157.png 300w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/hlavny-banner-BVF_10hrozieb-1200x628_2-1-768x402.png 768w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/hlavny-banner-BVF_10hrozieb-1200x628_2-1-370x194.png 370w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/hlavny-banner-BVF_10hrozieb-1200x628_2-1-760x398.png 760w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/hlavny-banner-BVF_10hrozieb-1200x628_2-1.png 1200w\" 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 class=\"has-text-align-center has-bg-color-color has-text-hover-background-color has-text-color has-background\"><strong>Tento \u010dl\u00e1nok je s\u00fa\u010das\u0165ou seri\u00e1lu <a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/category\/firemna-bezpecnost\/10-najvacsich-hrozieb\/\">10 najv\u00e4\u010d\u0161\u00edch hrozieb<\/a>.<\/strong><\/p>\n\n\n\n<p>Na za\u010diatku ni\u010div\u00fdch kybernetick\u00fdch \u00fatokov vo\u010di firm\u00e1m je v\u00e4\u010d\u0161inou zamestnanec, ktor\u00fd nalet\u00ed na podvodn\u00fd e-mail. K\u00fdm doned\u00e1vna sa dali tak\u00e9to spr\u00e1vy pomerne jednoducho rozozna\u0165, s\u00a0n\u00e1stupom n\u00e1strojov umelej inteligencie sa treba pripravi\u0165 na pokusy, ktor\u00e9 bud\u00fa takmer na nerozoznanie od legit\u00edmnej komunik\u00e1cie. Druh\u00e9 miesto v\u00a0rebr\u00ed\u010dku <a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/category\/firemna-bezpecnost\/10-najvacsich-hrozieb\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>10 najv\u00e4\u010d\u0161\u00edch hrozieb<\/strong><\/a> obsadil phishing.\u00a0<\/p>\n\n\n\n<p>V&nbsp;\u010dl\u00e1nku sa dozviete:<\/p>\n\n\n\n<ul class=\"is-style-checkbox wp-block-list\">\n<li>Ak\u00fd typ phishingu je najroz\u0161\u00edrenej\u0161\u00ed na Slovensku,<\/li>\n\n\n\n<li>s&nbsp;ak\u00fdmi formami phishingu sa m\u00f4\u017eete stretn\u00fa\u0165,<\/li>\n\n\n\n<li>na ak\u00fdch zamestnancov sa zameriavaj\u00fa \u00fato\u010dn\u00edci,<\/li>\n\n\n\n<li>a&nbsp;ako sa chr\u00e1ni\u0165 pred phishingom?<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Phishing ako vstupn\u00e1 br\u00e1na pre \u00fatok<\/h2>\n\n\n\n<p>A\u017e 91 % percent kybernetick\u00fdch \u00fatokov sa pod\u013ea <a href=\"https:\/\/www2.deloitte.com\/my\/en\/pages\/risk\/articles\/91-percent-of-all-cyber-attacks-begin-with-a-phishing-email-to-an-unexpected-victim.html\" target=\"_blank\" rel=\"noreferrer noopener\">\u0161t\u00fadie spolo\u010dnosti Deloitte<\/a> za\u010dalo prostredn\u00edctvom phishingov\u00e9ho e-mailu. Podvodn\u00e1 spr\u00e1va bola napr\u00edklad pravdepodobne aj pri za\u010diatku <a href=\"https:\/\/www.businessinsider.com\/fbi-yahoo-hackers-used-spear-phishing-email-gain-access-500-million-accounts-2017-3\" target=\"_blank\" rel=\"noreferrer noopener\">pohromy pre spolo\u010dnos\u0165 Yahoo<\/a>, ktor\u00e1 medzi rokmi 2013 a 2016 utrpela najv\u00e4\u010d\u0161\u00ed \u00fanik d\u00e1t pou\u017e\u00edvate\u013eov v\u00a0hist\u00f3rii. Phishingov\u00fd e-mail prist\u00e1l pred americk\u00fdmi prezidentsk\u00fdmi vo\u013ebami v\u00a0roku 2016 aj v\u00a0schr\u00e1nke \u0161\u00e9fa kampane Hillary Clintonovej. V\u00a0domnienke, \u017ee ide o\u00a0upozornenie od Googlu, <a href=\"https:\/\/apnews.com\/article\/moscow-north-america-ap-top-news-hillary-clinton-phishing-addc2727b0b04c1d80ab6ca30c4dc77e\" target=\"_blank\" rel=\"noreferrer noopener\">odovzdal \u00fato\u010dn\u00edkom svoje prihlasovacie \u00fadaje<\/a>, \u010d\u00edm z\u00edskali pr\u00edstup k\u00a0jeho komunik\u00e1cii, ktor\u00fa Clintonovej oponenti zneu\u017eili v\u00a0predvolebnom boji.<\/p>\n\n\n\n<p>Ide iba o&nbsp;nieko\u013eko pr\u00edkladov katastrofick\u00fdch scen\u00e1rov, ktor\u00e9 mala na svedom\u00ed nepozornos\u0165 jednotlivcov. Okrem odovzdania pr\u00edstupu k&nbsp;syst\u00e9mom organiz\u00e1ci\u00ed m\u00f4\u017eu \u00fato\u010dn\u00edci prostredn\u00edctvom phishingu vym\u00e1mi\u0165 od obet\u00ed finan\u010dn\u00e9 prostriedky \u010di zanies\u0165 prostredn\u00edctvom \u0161kodlivej pr\u00edlohy do siete ransomv\u00e9r alebo in\u00fd typ malv\u00e9ru. \u010co to teda je phishing?<\/p>\n\n\n\n<p>Phishing je kybernetick\u00fd podvod, pri ktorom sa \u00fato\u010dn\u00edci sna\u017eia vyl\u00e1ka\u0165 od obete prihlasovacie, platobn\u00e9 alebo inak citliv\u00e9 \u00fadaje. Tak\u00e1to psychologick\u00e1 manipul\u00e1cia m\u00f4\u017ee ma\u0165 r\u00f4zne podoby, od e-mailovej spr\u00e1vy, ktor\u00e1 cieli na tis\u00edcky \u013eud\u00ed a\u017e po presne cielen\u00e9 taktiky, pri ktor\u00fdch \u00fato\u010dn\u00edci na\u0161ij\u00fa komunik\u00e1ciu na mieru pre konkr\u00e9tnu obe\u0165.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010cast\u00e9 znaky phishingov\u00fdch podvodov<\/h2>\n\n\n\n<p>Phishing sa za uplynul\u00e9 roky v\u00fdznamne vyvinul. Ke\u010f\u017ee mno\u017estvo \u00fatokov vykon\u00e1vaj\u00fa zahrani\u010dn\u00ed kyberzlo\u010dinci, e\u0161te ned\u00e1vno sa ich pokusy pri ur\u010ditej d\u00e1vke obozretnosti dali r\u00fdchlo odhali\u0165 pre zl\u00fa gramatiku \u010di vetn\u00fa stavbu v sloven\u010dine. Takisto podvodn\u00e9 spr\u00e1vy \u010dasto ned\u00e1vali zmysel v&nbsp;lok\u00e1lnom kontexte. Tieto varovn\u00e9 sign\u00e1ly v\u0161ak vedia \u00fato\u010dn\u00edci dnes u\u017e lep\u0161ie tlmi\u0165 v\u010faka n\u00e1strojom generat\u00edvnej umelej inteligencie ako ChatGPT.<\/p>\n\n\n\n<p>Ako sa do\u010d\u00edtate ni\u017e\u0161ie, motivovan\u00ed \u00fato\u010dn\u00edci dok\u00e1\u017eu zostroji\u0165 v\u00a0mnoh\u00fdch pr\u00edpadoch takmer dokonal\u00e9 pasce. V\u0161eobecn\u00e9 znaky, ktor\u00e9 v\u00e1m m\u00f4\u017eu pom\u00f4c\u0165 rozpozna\u0165 phishing, sa preto t\u00fdkaj\u00fa najm\u00e4 menej sofistikovan\u00fdch a\u00a0spravidla masov\u00fdch podvodov.<\/p>\n\n\n\n<ol class=\"wp-block-list\" type=\"1\">\n<li><strong>Generick\u00e9 oslovenie<\/strong> m\u00f4\u017ee nazna\u010di\u0165, \u017ee zlo\u010dinci sk\u00fa\u0161aj\u00fa podvod na mnoh\u00fdch pou\u017e\u00edvate\u013eoch.<\/li>\n\n\n\n<li><strong>\u017diados\u0165 o osobn\u00e9 \u00fadaje <\/strong>indikuje, \u017ee nie\u010do nie je v&nbsp;poriadku. In\u0161tit\u00facie ako banka v\u00e1s nikdy e-mailom neoslovia so \u017eiados\u0165ou o&nbsp;citliv\u00e9 inform\u00e1cie.&nbsp;<\/li>\n\n\n\n<li><strong>Neo\u010dak\u00e1van\u00e1 kore\u0161pondencia<\/strong> v\u00e1m m\u00f4\u017ee napoveda\u0165, \u017ee \u010del\u00edte podvodu. Pre\u010do v\u00e1m p\u00ed\u0161e doru\u010dovacia slu\u017eba, ke\u010f ste si ni\u010d neobjednali?<\/li>\n\n\n\n<li><strong>\u010casov\u00fd n\u00e1tlak<\/strong> vyu\u017e\u00edvaj\u00fa \u00fato\u010dn\u00edci na vyvolanie r\u00fdchleho a&nbsp;nepremyslen\u00e9ho konania.<\/li>\n\n\n\n<li><strong>Pr\u00edli\u0161 l\u00e1kav\u00e1 ponuka<\/strong> \u010dasto sl\u00fa\u017ei ako n\u00e1vnada na kr\u00e1de\u017e pe\u0148az\u00ed \u010di vyl\u00e1kanie \u00fadajov.<\/li>\n\n\n\n<li><strong>Ak\u00fdko\u013evek odkaz <\/strong>v&nbsp;neo\u010dak\u00e1vanej \u010di nevy\u017eiadanej&nbsp;spr\u00e1ve signalizuje, \u017ee sa v\u00e1s \u00fato\u010dn\u00edci m\u00f4\u017eu sna\u017ei\u0165 dosta\u0165 k \u0161kodliv\u00e9mu obsahu.<\/li>\n\n\n\n<li><strong>Zl\u00e1 gramatika <\/strong>je v s\u00fa\u010dasnosti dom\u00e9nou podvodov, na ktor\u00fdch si \u00fato\u010dn\u00edci nedali pr\u00edli\u0161 z\u00e1le\u017ea\u0165.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Ak\u00fd phishing pozn\u00e1me?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">E-mailov\u00fd phishing<\/h3>\n\n\n\n<p>Najbe\u017enej\u0161ou formou phishingu, s&nbsp;ktorou sa stretol pravdepodobne ka\u017ed\u00fd pou\u017e\u00edvate\u013e, je podvodn\u00fd e-mail. Pri tomto type phishingu sa \u00fato\u010dn\u00edk pok\u00fa\u0161a z\u00edska\u0165 od n\u00e1hodnej obete d\u00f4vern\u00e9 inform\u00e1cie, ktor\u00e9 m\u00f4\u017ee zneu\u017ei\u0165 na kr\u00e1de\u017e pe\u0148az\u00ed alebo z\u00edskanie pr\u00edstupov\u00fdch \u00fadajov. Pr\u00edkladom s\u00fa falo\u0161n\u00e9 e-maily vyd\u00e1vaj\u00face sa za komunik\u00e1ciu d\u00f4veryhodnej spolo\u010dnosti, napr\u00edklad banky, ktor\u00e9 sa obete sna\u017eia navies\u0165 na kliknutie na odkaz, na ktorom maj\u00fa overi\u0165 \u00fadaje o&nbsp;svojom \u00fa\u010dte.<\/p>\n\n\n\n<p>E-mailov\u00fd phishing je suver\u00e9nne naj\u010dastej\u0161ie zachyt\u00e1vanou kybernetickou hrozbou aj na Slovensku. Pod\u013ea <a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/expertne-publikacie\/eset-threat-report-h1-2023-dramaticky-narast-podvodov-na-slovensku\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u00fadajov v\u00fdskumn\u00edkov spolo\u010dnosti ESET<\/strong><\/a> za prv\u00fa polovicu roka 2023 tvorila detekcia s\u00a0n\u00e1zvom HTML\/Phishing.Agent viac ako \u0161tvrtinu zo v\u0161etk\u00fdch zaznamenan\u00fdch hrozieb. V\u00a0porovnan\u00ed s\u00a0druhou polovicou roka 2022 zaznamenal ESET 27 % n\u00e1rast t\u00fdchto detekci\u00ed.<\/p>\n\n\n\n<p><em>\u201eV&nbsp;tomto konkr\u00e9tnom pr\u00edpade ide o falo\u0161n\u00e9&nbsp;prihlasovacie okno, ktor\u00e9 sa be\u017ene distribuuje prostredn\u00edctvom e-mailov ako HTML pr\u00edloha a otvor\u00ed sa v prehliada\u010di. Zvykne imitova\u0165 slu\u017eby Microsoft Office ako napr\u00edklad Outlook \u010di SharePoint. V&nbsp;skuto\u010dnosti v\u0161ak sl\u00fa\u017ei na presmerovanie na \u0161kodliv\u00fd obsah alebo na zber prihlasovac\u00edch \u00fadajov, ktor\u00e9 m\u00f4\u017eu \u00fato\u010dn\u00edci zneu\u017ei\u0165,\u201c<\/em> vysvet\u013euje Ondrej Kubovi\u010d, \u0161pecialista na digit\u00e1lnu bezpe\u010dnos\u0165 spolo\u010dnosti ESET.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/image-1.png\" alt=\"\" class=\"wp-image-5463\" width=\"775\" height=\"562\" srcset=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/image-1.png 678w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/image-1-300x218.png 300w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/image-1-370x268.png 370w\" sizes=\"auto, (max-width: 775px) 100vw, 775px\" \/><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Na Slovensku phishingov\u00e9 e-maily tie\u017e s\u00a0ob\u013eubou imituj\u00fa Slovensk\u00fa po\u0161tu, pri\u010dom pou\u017e\u00edvaj\u00fa aj jej vizu\u00e1lnu identitu. Tento druh podvodu je aktu\u00e1lne na mas\u00edvnom vzostupe a\u00a0patr\u00ed mu tretia prie\u010dka spomedzi v\u0161etk\u00fdch naj\u010dastej\u0161ie zachyten\u00fdch hrozieb za posledn\u00fd polrok. ESET eviduje a\u017e o 277 % \u010dastej\u0161\u00ed v\u00fdskyt tohto podvodu ako tomu bolo v druhej polovici roka 2022. \u00dato\u010dn\u00edci m\u00f4\u017eu obe\u0165 napr\u00edklad informova\u0165, \u017ee jej bude doru\u010den\u00fd bal\u00edk, a\u017e ke\u010f zaplat\u00ed coln\u00fd poplatok. Obzvl\u00e1\u0161\u0165 obozretn\u00ed by v\u00a0tomto pr\u00edpade preto mali by\u0165 zamestnanci firiem, ktor\u00ed maj\u00fa na starosti kore\u0161pondenciu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Spearphishing<\/h3>\n\n\n\n<p>Oby\u010dajn\u00e9 phishingov\u00e9 spr\u00e1vy maj\u00fa za cie\u013e zasiahnu\u0165 \u010do najviac pou\u017e\u00edvate\u013eov, pri\u010dom \u00fato\u010dn\u00edci sa spoliehaj\u00fa na to, \u017ee z&nbsp;ve\u013ekej skupiny adres\u00e1tov nalet\u00ed aspo\u0148 ur\u010dit\u00e1 \u010das\u0165. V&nbsp;pr\u00edpade spearphishingu v\u0161ak kybernetick\u00ed zlo\u010dinci svoje pokusy cielia na konkr\u00e9tne organiz\u00e1cie, pr\u00edpadne na \u0161pecifick\u00e9 skupiny. Tak\u00fdto podvod s&nbsp;u\u017e\u0161\u00edm zameran\u00edm dok\u00e1\u017ee p\u00f4sobi\u0165 omnoho presved\u010divej\u0161ie.<\/p>\n\n\n\n<p><em>\u201eAutori spearphishingov\u00fdch spr\u00e1v si svoje obete vopred podrobne zmapuj\u00fa z&nbsp;inform\u00e1ci\u00ed dostupn\u00fdch online \u010di pri in\u00fdch \u00fatokoch a&nbsp;na z\u00e1klade z\u00edskan\u00fdch poznatkov nastavia komunik\u00e1ciu. M\u00f4\u017eu napr\u00edklad zisti\u0165, kedy a&nbsp;akou formou vybran\u00e1 firma vypl\u00e1ca finan\u010dn\u00e9 bonusy, a&nbsp;v\u0161etk\u00fdm zamestnancom v&nbsp;mene organiz\u00e1cie rozposla\u0165 e-mail, \u017ee ak chc\u00fa odmenu, maj\u00fa vyplni\u0165 \u00fadaje na prilo\u017eenom odkaze,\u201c<\/em> varuje Ondrej Kubovi\u010d.<\/p>\n\n\n\n<p>V\u00a0r\u00e1mci sofistikovanej\u0161\u00edch oper\u00e1ci\u00ed m\u00f4\u017eu \u00fato\u010dn\u00edci zacieli\u0165 dokonca aj na konkr\u00e9tne osoby, pri\u010dom si o\u00a0nich dopredu zistia \u010do najviac inform\u00e1ci\u00ed. Dobre zadokumentovan\u00e9 s\u00fa napr\u00edklad <a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/cybernews\/prilis-dobra-pracovna-ponuka-mozno-je-za-nou-skupina-lazarus\/\" target=\"_blank\" rel=\"noreferrer noopener\">praktiky severok\u00f3rejskej hackerskej skupiny Lazarus<\/a>, ktor\u00e1 sa vyd\u00e1vala za n\u00e1borov\u00fdch pracovn\u00edkov pre spolo\u010dnos\u0165 Amazon a\u00a0vytypovan\u00fdm obetiam poslala pracovn\u00e9 ponuky, ktor\u00e9 v\u00a0sebe skr\u00fdvali \u0161kodliv\u00fd k\u00f3d.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">Doposia\u013e uverejnen\u00e9 \u010dl\u00e1nky z rebr\u00ed\u010dka 10 najv\u00e4\u010d\u0161\u00edch hrozieb<\/h4>\n\n\n\n<p><strong>2. Phishing<\/strong><br><strong><a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/3-ransomver-utok-ktory-sifruje-buducnost-firiem\/\" target=\"_blank\" rel=\"noreferrer noopener\">3. Ransomv\u00e9r<\/a><\/strong><br><strong><a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/4-hybridna-praca-nastrahy-rezimu-po-pandemii\/\" target=\"_blank\" rel=\"noreferrer noopener\">4. Hybridn\u00e1 pr\u00e1ca<\/a><\/strong><br><strong><a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/10-najvacsich-hrozieb\/5-utoky-na-dodavatelsky-retazec-zasah-cez-partnerov\/\" target=\"_blank\" rel=\"noreferrer noopener\">5. \u00datoky na dod\u00e1vate\u013esk\u00fd re\u0165azec<\/a><\/strong><br><strong><a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/6-iot-hrozby-smart-zariadenia-utociace-bez-vasho-vedomia\/\" target=\"_blank\" rel=\"noreferrer noopener\">6. IoT hrozby<\/a><\/strong><br><strong><a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/7-fyzicke-hrozby-strata-mobilu-utocnik-priamo-vo-firme-aj-vojna\/\" target=\"_blank\" rel=\"noreferrer noopener\">7. Fyzick\u00e9 hrozby<\/a><\/strong><br><strong><a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/8-pokrocile-hrozby-spionaz-ci-sabotaz-v-prospech-cudzieho-statu\/\" target=\"_blank\" rel=\"noreferrer noopener\">8. Pokro\u010dil\u00e9 hrozby<\/a><\/strong><br><strong><a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/9-nedostatok-bezpecnostnych-specialistov-pootvorene-dvere-pre-utocnikov\/\" target=\"_blank\" rel=\"noreferrer noopener\">9. Nedostatok bezpe\u010dnostn\u00fdch \u0161pecialistov<\/a><\/strong><br><strong><a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/10-hrozby-zvnutra-firmy-nepozorni-zamestnanci-spioni-ci-konciaci-pracovnici\/\" target=\"_blank\" rel=\"noreferrer noopener\">10. Hrozby zvn\u00fatra firmy<\/a><\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Whaling<\/h3>\n\n\n\n<p>\u00dato\u010dn\u00edci sa \u010dasto zameriavaj\u00fa aj na tie najv\u00e4\u010d\u0161ie ryby v&nbsp;organiz\u00e1cii vr\u00e1tane top mana\u017e\u00e9rov. Od toho je aj odvoden\u00fd n\u00e1zov whaling. Ide o druh presne cielen\u00e9ho phishingu, pri ktorom sa \u00fato\u010dn\u00edci \u010dasto sna\u017eia zmanipulova\u0165 vysoko postaven\u00fdch pracovn\u00edkov. M\u00f4\u017eu od nich napr\u00edklad \u017eiada\u0165 schv\u00e1lenie ve\u013ek\u00fdch finan\u010dn\u00fdch transakci\u00ed \u010di zdie\u013eanie citliv\u00fdch inform\u00e1ci\u00ed.<\/p>\n\n\n\n<p>Tento typ \u00fatoku je mimoriadne nebezpe\u010dn\u00fd, lebo vysokopostaven\u00ed zamestnanci disponuj\u00fa kompetenciami, ktor\u00e9 v\u00a0pr\u00edpade naletenia na podvod m\u00f4\u017eu sp\u00f4sobi\u0165 ohromn\u00e9 \u0161kody. Pri tomto type \u00fatoku sa m\u00f4\u017eu \u00fato\u010dn\u00edci dokonca vyd\u00e1va\u0165 <a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/impersonifikacia-ked-utocnik-predstiera-ze-je-generalny-riaditel\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>z<\/strong><\/a><a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/impersonifikacia-ked-utocnik-predstiera-ze-je-generalny-riaditel\/\"><strong>a samotn\u00fdch \u010dlenov vrcholov\u00e9ho mana\u017ementu<\/strong><\/a>. Napr\u00edklad m\u00f4\u017eu v\u00a0mene gener\u00e1lneho riadite\u013ea (CEO) kontaktova\u0165 finan\u010dn\u00e9ho riadite\u013ea (CFO), aby previedol ve\u013ek\u00fa sumu pe\u0148az\u00ed.<\/p>\n\n\n\n<p>Kybernetick\u00ed zlo\u010dinci sa v\u00a0roku 2020 pok\u00fasili tak\u00fdmto sp\u00f4sobom vyd\u00e1va\u0165 za gener\u00e1lneho riadite\u013ea spolo\u010dnosti ESET Richarda Marka. Cie\u013eom tohto ne\u00faspe\u0161n\u00e9ho pokusu bolo predstiera\u0165 existenciu ve\u013ekej ponuky na\u00a0akviz\u00edciu akt\u00edv, ktor\u00e1 si vy\u017eadovala finan\u010dn\u00fd vklad. \u00a0\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2022\/08\/1616144563-whatsapp-chat-impersonation-attack-eset_sk-747x1024.jpg\" alt=\"BVF phishing ukazka\" class=\"wp-image-4233\" width=\"554\" height=\"760\" srcset=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2022\/08\/1616144563-whatsapp-chat-impersonation-attack-eset_sk-747x1024.jpg 747w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2022\/08\/1616144563-whatsapp-chat-impersonation-attack-eset_sk-219x300.jpg 219w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2022\/08\/1616144563-whatsapp-chat-impersonation-attack-eset_sk-768x1053.jpg 768w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2022\/08\/1616144563-whatsapp-chat-impersonation-attack-eset_sk-1120x1536.jpg 1120w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2022\/08\/1616144563-whatsapp-chat-impersonation-attack-eset_sk-370x507.jpg 370w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2022\/08\/1616144563-whatsapp-chat-impersonation-attack-eset_sk-760x1042.jpg 760w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2022\/08\/1616144563-whatsapp-chat-impersonation-attack-eset_sk.jpg 1440w\" sizes=\"auto, (max-width: 554px) 100vw, 554px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Vishing<\/h3>\n\n\n\n<p>\u010eal\u0161\u00edm sp\u00f4sobom, ako sa m\u00f4\u017eu \u00fato\u010dn\u00edci pok\u00fasi\u0165 oklama\u0165 obe\u0165, je prostredn\u00edctvom telefon\u00e1tu. Tento druh podvodu sa naz\u00fdva vishing. \u00dato\u010dn\u00edci sa predstavia napr\u00edklad ako zamestnanci banky alebo in\u00fdch in\u0161tit\u00faci\u00ed a sna\u017eia sa z\u00edska\u0165 osobn\u00e9 \u00fadaje od svojich obet\u00ed. Na Slovensku rezonovali napr\u00edklad pr\u00edpady imitovania technickej podpory Microsoftu \u010di vl\u00e1dnych org\u00e1nov. Plat\u00ed pri tom, \u017ee podobne ako v&nbsp;pr\u00edpade e-mailov, si vedia \u00fato\u010dn\u00edci dopredu na\u0161tudova\u0165 inform\u00e1cie a&nbsp;prisp\u00f4sobi\u0165 rozhovor \u0161pecifick\u00e9mu cie\u013eu.<\/p>\n\n\n\n<p>Nov\u00fdm a\u00a0znepokojiv\u00fdm trendom v\u00a0oblasti telefonick\u00fdch podvodov je vyu\u017e\u00edvanie <a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/sef-vygenerovany-pocitacom-ako-funguje-deepfake\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>deepfake technol\u00f3gie<\/strong><\/a>. \u00dato\u010dn\u00edci dok\u00e1\u017eu prostredn\u00edctvom n\u00e1strojov umelej inteligencie vygenerova\u0165 hlas tak, aby znel napr\u00edklad ako v\u00e1\u0161 obchodn\u00fd partner alebo nadriaden\u00fd. Zamestnanci tak m\u00f4\u017eu kona\u0165 v\u00a0prospech kyberzlo\u010dincov a\u00a0myslie\u0165 si, \u017ee plnia pr\u00edkazy svojho zamestn\u00e1vate\u013ea. Pomocou deepfaku sa \u00fato\u010dn\u00edci dok\u00e1\u017eu vyd\u00e1va\u0165 za \u0161\u00e9fa napr\u00edklad aj prostredn\u00edctvom videohovoru. \u00a0<\/p>\n\n\n\n<p class=\"has-bg-color-color has-text-hover-background-color has-text-color has-background\"><strong>Zv\u00e1\u017ete nahradenie hlasov\u00e9ho overenia<\/strong><br><br>Mnoh\u00e9 slu\u017eby vr\u00e1tane b\u00e1nk vyu\u017e\u00edvaj\u00fa ako formu autentifik\u00e1cie hlasov\u00e9 overenie. V\u00fdskumn\u00edci z\u00a0univerzity vo Waterloo v\u0161ak <a href=\"https:\/\/www.helpnetsecurity.com\/2023\/07\/06\/voice-authentication-insecurity\/\">odhalili sp\u00f4sob \u00fatoku<\/a>, pomocou ktor\u00e9ho vedia \u00fato\u010dn\u00edci ob\u00eds\u0165 hlasov\u00e9 overenie s\u00a099 % \u00faspe\u0161nos\u0165ou iba po \u0161iestich pokusoch. O\u010dak\u00e1vame, \u017ee klonovanie hlasu sa bude \u010doraz viac zdokona\u013eova\u0165 a\u00a0preto bude hlasov\u00e9 overovanie \u010doskoro zastaral\u00fd sp\u00f4sob ochrany. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Smishing<\/h3>\n\n\n\n<p>Okrem e-mailov \u010di chatovac\u00edch aplik\u00e1ci\u00ed s\u00fa pre \u00fato\u010dn\u00edkov st\u00e1le mimoriadne ob\u013e\u00faben\u00fdm m\u00e9diom pre podvody SMS spr\u00e1vy. Kyberzlo\u010dincom hr\u00e1 do kariet, \u017ee ide o&nbsp;mimoriadne roz\u0161\u00edren\u00fd sp\u00f4sob komunik\u00e1cie, ktor\u00fd vo v\u00e4\u010d\u0161ine pr\u00edpadov nepodlieha tak\u00e9mu d\u00f4kladn\u00e9mu zabezpe\u010deniu ako e-maily.&nbsp;<\/p>\n\n\n\n<p>\u00dato\u010dn\u00edci dok\u00e1\u017eu (aj v\u00a0pr\u00edpade telefon\u00e1tov) prostredn\u00edctvom techniky spoofing, maskovania \u010d\u00edsla odosielate\u013ea, zmeni\u0165 telef\u00f3nne \u010d\u00edslo tak, aby pripom\u00ednalo legit\u00edmnu in\u0161tit\u00faciu, pr\u00edpadne aby sa ich spr\u00e1va zaradila do SMS vl\u00e1kna od tejto in\u0161tit\u00facie. Pri SMS podvodoch navy\u0161e \u010dasto vyu\u017e\u00edvaj\u00fa aktu\u00e1lne t\u00e9my. Ned\u00e1vno napr\u00edklad v\u00a0na\u0161ich kon\u010din\u00e1ch rezonovala mas\u00edvna kampa\u0148 informuj\u00faca recipientov o\u00a0obdr\u017ean\u00ed kryptomien.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"324\" height=\"731\" src=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/image-4.png\" alt=\"\" class=\"wp-image-5466\" srcset=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/image-4.png 324w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/image-4-133x300.png 133w\" sizes=\"auto, (max-width: 324px) 100vw, 324px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Falo\u0161n\u00e9 webov\u00e9 str\u00e1nky<\/h3>\n\n\n\n<p>Cie\u013eom podvodn\u00fdch e-mailov, spr\u00e1v v&nbsp;chate \u010di SMS spr\u00e1v je v&nbsp;mnoh\u00fdch pr\u00edpadoch privies\u0165 obe\u0165 na falo\u0161n\u00fa webov\u00fa str\u00e1nku, ktor\u00e1 sa vyd\u00e1va za prihlasovacie okno do nejakej slu\u017eby alebo internetov\u00fd obchod. \u00da\u010delom t\u00fdchto falo\u0161n\u00fdch str\u00e1nok je pripravi\u0165 obe\u0165 o&nbsp;prihlasovacie \u00fadaje alebo financie.<\/p>\n\n\n\n<p>Pri neopatrnom zaobch\u00e1dzan\u00ed v\u0161ak m\u00f4\u017eu pou\u017e\u00edvatelia natrafi\u0165 na falo\u0161n\u00fa webov\u00fa str\u00e1nku aj pri be\u017enom surfovan\u00ed po internete. Napr\u00edklad sa na \u0148u preklikn\u00fa cez vyskakovacie okno na slabo zabezpe\u010denom webe alebo ju n\u00e1jdu vo vyh\u013ead\u00e1va\u010di. S\u00fa dokonca zn\u00e1me pr\u00edpady, ke\u010f si \u00fato\u010dn\u00edci <a href=\"https:\/\/www.eset.com\/sk\/o-nas\/press-centrum\/eset-tlacove-spravy\/utocnici-umiestnili-do-vysledkov-google-vyhladavania-reklamy-na-falosne-aplikacie-s-nebezpecnym-troj\/\" target=\"_blank\" rel=\"noreferrer noopener\">nak\u00fapili reklamn\u00fd priestor od spolo\u010dnosti Google<\/a> a\u00a0vyh\u013ead\u00e1va\u010d n\u00e1sledne v\u00a0sponzorovanej sekcii odkazoval na str\u00e1nky so \u0161kodliv\u00fdm obsahom.<\/p>\n\n\n\n<p>ESET identifikoval v&nbsp;prvej polovici roka 2023 na Slovensku a\u017e 37-tis\u00edc podvodn\u00fdch str\u00e1nok. Naj\u010dastej\u0161ie imitovali weby s&nbsp;t\u00fdmito tematikami:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mailov\u00e9 slu\u017eby (36 %)<\/li>\n\n\n\n<li>kryptomeny (18 %)<\/li>\n\n\n\n<li>financie (16 %)<\/li>\n\n\n\n<li>soci\u00e1lne siete (7 %)<\/li>\n\n\n\n<li>doru\u010dovacie slu\u017eby (6 %)<\/li>\n<\/ul>\n\n\n\n<p class=\"has-bg-color-color has-text-hover-background-color has-text-color has-background\"><strong>Falo\u0161n\u00e1 str\u00e1nka s\u00a0legit\u00edmnym odkazom<\/strong><br><br>Niekedy sa m\u00f4\u017eete na podvodnej webovej str\u00e1nke ocitn\u00fa\u0165, aj ke\u010f kliknete na legit\u00edmny odkaz. \u00dato\u010dn\u00edci m\u00f4\u017eu infikova\u0165 DNS (Domain Name System) server legit\u00edmnej webovej lokality a presmerova\u0165 pou\u017e\u00edvate\u013ea na falo\u0161n\u00fd web, aj ke\u010f zad\u00e1 spr\u00e1vnu adresu URL. Tak\u00fdto kybernetick\u00fd podvod sa vol\u00e1 pharming.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ako sa chr\u00e1ni\u0165 pred phishingom?<\/h2>\n\n\n\n<p>Schopnos\u0165 firiem odol\u00e1va\u0165 phishingu pozost\u00e1va z&nbsp;komplexn\u00e9ho s\u00faboru opatren\u00ed, ktor\u00fd v&nbsp;sebe sk\u013abi technick\u00e9 aj netechnick\u00e9 parametre:<\/p>\n\n\n\n<ul class=\"is-style-checkbox wp-block-list\">\n<li><strong>Budovanie povedomia zamestnancov<\/strong> o&nbsp;phishingov\u00fdch n\u00e1strah\u00e1ch prostredn\u00edctvom pravideln\u00fdch a&nbsp;interakt\u00edvnych \u0161kolen\u00ed. Oddelenie internej bezpe\u010dnosti m\u00f4\u017ee napr\u00edklad zamestnancom posiela\u0165 testovacie phishingov\u00e9 e-maily, \u010do zamestnancom pom\u00f4\u017ee spozna\u0165 r\u00f4zne druhy t\u00fdchto hrozieb. &nbsp;<\/li>\n\n\n\n<li><strong>Nasadi\u0165 na v\u0161etky koncov\u00e9 zariadenia kvalitn\u00e9 bezpe\u010dnostn\u00e9 rie\u0161enie <\/strong>s\u00a0funkciou Anti-Phishing, ktor\u00e1 dok\u00e1\u017ee \u00faspe\u0161ne blokova\u0165 podvodn\u00e9 e-maily. N\u00e1stroj <a href=\"https:\/\/www.eset.com\/sk\/firemna-it-bezpecnost\/riesenia\/ochrana-emailovych-serverov\/?gad=1&amp;gclid=Cj0KCQjw2eilBhCCARIsAG0Pf8u-3bBlP3IorzIRNvuOyabP5MPeywrKbuvrVgi8vShCx_GMfpJvJaIaAjMvEALw_wcB\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>E<\/strong><\/a><a href=\"https:\/\/www.eset.com\/sk\/firemna-it-bezpecnost\/riesenia\/ochrana-emailovych-serverov\/?gad=1&amp;gclid=Cj0KCQjw2eilBhCCARIsAG0Pf8u-3bBlP3IorzIRNvuOyabP5MPeywrKbuvrVgi8vShCx_GMfpJvJaIaAjMvEALw_wcB\"><strong>SET Mail Security<\/strong><\/a> zas dok\u00e1\u017ee odchyti\u0165 spam a\u00a0malv\u00e9r na serverovej \u00farovni e\u0161te predt\u00fdm, ako sa dostane do e-mailov\u00fdch schr\u00e1nok pou\u017e\u00edvate\u013eov.<\/li>\n\n\n\n<li><strong>Nastavte jasn\u00e9 ozna\u010denie pre e-mailov\u00fa komunik\u00e1ciu<\/strong>, ktor\u00e1 poch\u00e1dza zvonka va\u0161ej organiz\u00e1cie.<\/li>\n\n\n\n<li><strong>Nezverej\u0148ujte<\/strong> o&nbsp;svojej organiz\u00e1cii respekt\u00edve o&nbsp;zamestnancoch <strong>nadbyto\u010dn\u00e9 inform\u00e1cie, z&nbsp;ktor\u00fdch by mohli \u010derpa\u0165 \u00fato\u010dn\u00edci pri vytv\u00e1ran\u00ed phishingov\u00fdch podvodov na mieru.<\/strong> Pou\u010dte zamestnancov o&nbsp;ochrane s\u00fakromia na soci\u00e1lnych sie\u0165ach.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/3-ransomver-utok-ktory-sifruje-buducnost-firiem\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/FB-BVF_10hrozieb-1080x1080_3-1024x1024.png\" alt=\"\" class=\"wp-image-5467\" srcset=\"https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/FB-BVF_10hrozieb-1080x1080_3-1024x1024.png 1024w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/FB-BVF_10hrozieb-1080x1080_3-300x300.png 300w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/FB-BVF_10hrozieb-1080x1080_3-150x150.png 150w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/FB-BVF_10hrozieb-1080x1080_3-768x768.png 768w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/FB-BVF_10hrozieb-1080x1080_3-370x370.png 370w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/FB-BVF_10hrozieb-1080x1080_3-90x90.png 90w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/FB-BVF_10hrozieb-1080x1080_3-760x760.png 760w, https:\/\/bezpecnevofirme.eset.com\/sk\/wp-content\/uploads\/sites\/2\/2023\/07\/FB-BVF_10hrozieb-1080x1080_3.png 1080w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>3. Ransomv\u00e9r &#8211; \u00fatok, ktor\u00fd \u0161ifruje bud\u00facnos\u0165 firiem<\/strong><\/p>\n\n\n\n<p>Predstavte si, \u017ee pr\u00eddete do pr\u00e1ce a\u00a0ke\u010f zapnete po\u010d\u00edta\u010d, priv\u00edta v\u00e1s obrazovka so \u017eiados\u0165ou o\u00a0zaplatenie v\u00fdkupn\u00e9ho. No\u010dn\u00e1 mora IT oddelen\u00ed m\u00f4\u017ee firmu pripravi\u0165 o\u00a0obrovsk\u00e9 mno\u017estvo pe\u0148az\u00ed a\u00a0zni\u010di\u0165 jej reput\u00e1ciu. <\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/bezpecnevofirme.eset.com\/sk\/firemna-bezpecnost\/3-ransomver-utok-ktory-sifruje-buducnost-firiem\/\" target=\"_blank\" rel=\"noreferrer noopener\">Pre\u010d\u00edta\u0165 \u010dl\u00e1nok<\/a><\/div>\n<\/div>\n\n\n\n<p><br><br><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Phishing m\u00f4\u017ee ma\u0165 r\u00f4zne podoby, od e-mailovej spr\u00e1vy, ktor\u00e1 cieli na tis\u00edcky \u013eud\u00ed a\u017e po presne cielen\u00e9 taktiky, pri ktor\u00fdch \u00fato\u010dn\u00edci zostroja podvod na mieru.<\/p>\n","protected":false},"author":8,"featured_media":5469,"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":[141,105],"tags":[],"class_list":["post-5461","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-10-najvacsich-hrozieb","category-firemna-bezpecnost"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2. 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