[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.harsa.cz\/3-nejvetsi-hrozby-pro-vas-pocitac\/#Article","mainEntityOfPage":"https:\/\/www.harsa.cz\/3-nejvetsi-hrozby-pro-vas-pocitac\/","headline":"3 nejv\u011bt\u0161\u00ed hrozby pro V\u00e1\u0161 po\u010d\u00edta\u010d","name":"3 nejv\u011bt\u0161\u00ed hrozby pro V\u00e1\u0161 po\u010d\u00edta\u010d","description":"Po\u010d\u00edta\u010dov\u00fd vir – v po\u010d\u00edta\u010di se chov\u00e1 podobn\u011b jako virus biologick\u00e9ho p\u016fvodu v lidsk\u00e9m t\u011ble. M\u016f\u017ee se jednat o \u0161kodliv\u00fd program nebo programov\u00fd k\u00f3d, kter\u00fd si do sv\u00e9ho po\u010d\u00edta\u010de st\u00e1hnete, a bez va\u0161eho v\u011bdom\u00ed se v za\u0159\u00edzen\u00ed s\u00e1m spust\u00ed. Jeho c\u00edlem je prim\u00e1rn\u011b z\u00edskat kontrolu nad za\u0159\u00edzen\u00edm a v nejhor\u0161\u00edm p\u0159\u00edpad\u011b ho i nevratn\u011b po\u0161kodit. Pou\u017e\u00edv\u00e1 tzv. hostitele, to […]","datePublished":"2019-06-12","dateModified":"2023-05-05","author":{"@type":"Person","@id":"https:\/\/www.harsa.cz\/author\/#Person","name":"harsa.cz","url":"https:\/\/www.harsa.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/4c6f4cec51e1a1b20d9361c6367b917eb8db239c023f88502d2833b745a358d4?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4c6f4cec51e1a1b20d9361c6367b917eb8db239c023f88502d2833b745a358d4?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"harsa.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.harsa.cz\/wp-content\/uploads\/img_a348810_w2455_t1563648010.jpg","url":"https:\/\/www.harsa.cz\/wp-content\/uploads\/img_a348810_w2455_t1563648010.jpg","height":0,"width":0},"url":"https:\/\/www.harsa.cz\/3-nejvetsi-hrozby-pro-vas-pocitac\/","about":["Internet"],"wordCount":532,"articleBody":"Po\u010d\u00edta\u010dov\u00fd vir – v po\u010d\u00edta\u010di se chov\u00e1 podobn\u011b jako virus biologick\u00e9ho p\u016fvodu v lidsk\u00e9m t\u011ble. M\u016f\u017ee se jednat o \u0161kodliv\u00fd program nebo programov\u00fd k\u00f3d, kter\u00fd si do sv\u00e9ho po\u010d\u00edta\u010de st\u00e1hnete, a bez va\u0161eho v\u011bdom\u00ed se v za\u0159\u00edzen\u00ed s\u00e1m spust\u00ed. Jeho c\u00edlem je prim\u00e1rn\u011b z\u00edskat kontrolu nad za\u0159\u00edzen\u00edm a v nejhor\u0161\u00edm p\u0159\u00edpad\u011b ho i nevratn\u011b po\u0161kodit. Pou\u017e\u00edv\u00e1 tzv. hostitele, to m\u016f\u017eou b\u00fdt nap\u0159\u00edklad jin\u00e9 soubory ve va\u0161em za\u0159\u00edzen\u00ed, kam se „naklonuje“.  Nej\u010dast\u011bji to b\u00fdvaj\u00ed soubory s p\u0159\u00edponou exe; sys; doc nebo xls. Pak u\u017e je snadn\u00e9 infikovat i za\u0159\u00edzen\u00ed jin\u00fdch u\u017eivatel\u016f. Z principu po\u010d\u00edta\u010dov\u00e9ho viru vych\u00e1z\u00ed i zbytek „\u0161k\u016fdc\u016f“ a li\u0161\u00ed se jen v mali\u010dkostech.\tScam – p\u0159elo\u017e\u00edme-li si toto anglick\u00e9 slov\u00ed\u010dko do \u010de\u0161tiny, znamen\u00e1 to podvod. Roz\u0161\u00ed\u0159en\u00fd je hlavn\u011b v\te-mailov\u00e9 komunikaci, kdy p\u0159\u00edjemce obdr\u017e\u00ed e-mail s nepravdiv\u00fdm obsahem, l\u017eiv\u00fdmi informacemi nebo fale\u0161n\u00fdm ozn\u00e1men\u00edm o v\u00fdh\u0159e v loterii p\u0159\u00edpadn\u011b v\u00fdh\u0159e n\u011bjak\u00e9 drah\u00e9 elektroniky. Odes\u00edlatel v\u011bt\u0161inou pros\u00ed o finan\u010dn\u00ed podporu nebo o va\u0161e osobn\u00ed informace.\tSpam – je pom\u011brn\u011b zn\u00e1m\u00e1 hrozba se kterou se setkali snad v\u0161ichni, kte\u0159\u00ed maj\u00ed e-mailovou adresu. Na prvn\u00ed pohled vypad\u00e1 nevinn\u011b jako nevy\u017e\u00e1dan\u00e1 po\u0161ta, tzn. reklama a podobn\u011b, na ten druh\u00fd se jedn\u00e1 o velice jednoduch\u00fd zp\u016fsob, jak se dostat do va\u0161eho za\u0159\u00edzen\u00ed, zablokovat p\u0159\u00edstup prohl\u00ed\u017ee\u010de k internetu a s p\u0159\u00edslibem jeho znovuobnoven\u00ed po\u017eadovat finan\u010dn\u00ed obnos.\t\tJak poznat, \u017ee je v\u00e1\u0161 po\u010d\u00edta\u010d infikov\u00e1n virem\t·         PC se zpomaluje nebo p\u0159est\u00e1v\u00e1 postupn\u011b reagovat\t·         Dojde k zablokov\u00e1n\u00ed\t·         Samovoln\u00e9 restartov\u00e1n\u00ed\t·         Nefunk\u010dnost aplikac\u00ed \u010di tisku\t·         M\u00e1te zak\u00e1zan\u00fd antivirov\u00fd program, nelze ho aktivovat\t·         Miz\u00ed programy, kter\u00e9 jste sami neodstranili  \tZp\u016fsoby jak chr\u00e1nit sv\u00e9 za\u0159\u00edzen\u00ed\t·         Pravideln\u00e1 aktualizace opera\u010dn\u00edho syst\u00e9mu\t·         Pravideln\u00e1 aktualizace webov\u00e9ho prohl\u00ed\u017ee\u010de\t·         Kvalitn\u00ed antivirus (voln\u011b dostupn\u00fd je nap\u0159. Avast, pro u\u017eivatele Windows – Windows Defender, ESET)\t·         Nastaven\u00ed br\u00e1ny firewall – blokuje p\u0159\u00edstupu \u0161kodliv\u00fdch aplikac\u00ed k va\u0161emu za\u0159\u00edzen\u00ed\t·         Pou\u017e\u00edvat siln\u00e1 a r\u016fzn\u00e1 hesla\t·         Z\u00e1lohov\u00e1n\u00ed dat                                                                                                                                                                                                                                                                                                                                                                                        3.9\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"3 nejv\u011bt\u0161\u00ed hrozby pro V\u00e1\u0161 po\u010d\u00edta\u010d","item":"https:\/\/www.harsa.cz\/3-nejvetsi-hrozby-pro-vas-pocitac\/#breadcrumbitem"}]}]