[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.amoresperros.cz\/ransomware-hrozba-dnesni-doby\/#Article","mainEntityOfPage":"https:\/\/www.amoresperros.cz\/ransomware-hrozba-dnesni-doby\/","headline":"Ransomware hrozba dne\u0161n\u00ed doby","name":"Ransomware hrozba dne\u0161n\u00ed doby","description":"Ransomware je druh malware, kter\u00fd infikuje po\u010d\u00edta\u010d a zabra\u0148uje p\u0159\u00edstupu k ulo\u017een\u00fdm soubor\u016fm. Dan\u00e9 soubory uzamkne a pro spu\u0161t\u011bn\u00ed vy\u017eaduje zaplacen\u00ed v\u00fdkupn\u00e9ho. Soubory jsou \u0161ifrov\u00e1ny <a class=\"mh-excerpt-more\" href=\"https:\/\/www.amoresperros.cz\/ransomware-hrozba-dnesni-doby\/\" title=\"Ransomware hrozba dne\u0161n\u00ed doby\">[...]<\/a>","datePublished":"2025-03-02","dateModified":"2023-04-29","author":{"@type":"Person","@id":"https:\/\/www.amoresperros.cz\/author\/#Person","name":"amoresperros.cz\n","url":"https:\/\/www.amoresperros.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/c61c2d82e330ff9c70cf023b4c62d411e8407bcb38f85df591fa270717754b44?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c61c2d82e330ff9c70cf023b4c62d411e8407bcb38f85df591fa270717754b44?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"amoresperros.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.amoresperros.cz\/wp-content\/uploads\/img_a288337_w1888_t1498746330.jpg","url":"https:\/\/www.amoresperros.cz\/wp-content\/uploads\/img_a288337_w1888_t1498746330.jpg","height":0,"width":0},"url":"https:\/\/www.amoresperros.cz\/ransomware-hrozba-dnesni-doby\/","about":["Www"],"wordCount":481,"articleBody":"Ransomware je druh malware, kter\u00fd infikuje po\u010d\u00edta\u010d a zabra\u0148uje p\u0159\u00edstupu k ulo\u017een\u00fdm soubor\u016fm. Dan\u00e9 soubory uzamkne a pro spu\u0161t\u011bn\u00ed vy\u017eaduje zaplacen\u00ed v\u00fdkupn\u00e9ho. Soubory jsou \u0161ifrov\u00e1ny bu\u010f v samostatn\u00e9m PC, na pevn\u00e9m disku, p\u0159\u00edpadn\u011b na s\u00edti.Ransomware je \u0161\u00ed\u0159en jako trojan (p\u0159\u00edpadn\u011b jako \u010derv\u00edk), kter\u00fd vstoup\u00ed do syst\u00e9mu t\u0159eba p\u0159es sta\u017een\u00fd soubor a najde chybu v zabezpe\u010den\u00ed. Prvn\u00ed zn\u00e1m\u00fd ransomware byl objeven ji\u017e v roce 1989, jmenoval se &#8222;AIDS&#8220; trojan a jednal stejn\u011b, za\u0161ifroval soubor a vy\u017eadoval v\u00fdkupn\u00e9, v t\u00e9 dob\u011b firm\u011b &#8222;PC Cyborg Corporation&#8220;.Aktu\u00e1ln\u011b se ve sv\u011bt\u011b v ned\u00e1vn\u00e9 dob\u011b \u0161\u00ed\u0159il ransomware WannaCry, kter\u00fd je pova\u017eov\u00e1n za nejni\u010div\u011bj\u0161\u00ed a nejagresivn\u011bj\u0161\u00ed \u00fatok sv\u00e9ho druhu, vyb\u00edz\u00ed k zaplacen\u00ed v\u00fdkupn\u00e9ho 300 USD. P\u0159es Windows 7 se jednodu\u0161e \u0161\u00ed\u0159il d\u00e1l a to z d\u016fvodu, \u017ee oproti typick\u00e9 ru\u010dn\u00ed n\u00e1kaze, manu\u00e1ln\u00edho spu\u0161t\u011bn\u00ed viru t\u0159eba z po\u0161tovn\u00ed p\u0159\u00edlohy a za\u0161ifrov\u00e1n\u00ed PC, mohl zneu\u017e\u00edt je\u0161t\u011b mnohokr\u00e1t zmi\u0148ovan\u00e9 zranitelnosti p\u0159\u00edmo ve Windows. A jednodu\u0161e se pak kop\u00edroval d\u00e1l na dal\u0161\u00ed za\u0159\u00edzen\u00ed, kter\u00e1 byla p\u0159ipojen\u00e1 v lok\u00e1ln\u00ed s\u00edti. Ale dokonce i na internetu. Ud\u011blalo z toho jednodu\u0161e se opakuj\u00edc\u00ed se, dob\u0159e promy\u0161len\u00e9 kole\u010dko. Z nejv\u011bt\u0161\u00ed pravd\u011bpodobnosti se uvedenou metodou nakazily velk\u00e9 spole\u010dnosti, zmi\u0148ovan\u00e9 nemocnice ve Velk\u00e9 Brit\u00e1nii, nebo velk\u00e9 v\u00fdrobn\u00ed spole\u010dnosti \u010di vl\u00e1dn\u00ed organizace.Pt\u00e1te se, co vlastn\u011b WannaCry \u0161ifruje?Po aktivaci ransomware proch\u00e1z\u00ed dan\u00e9 \u00falo\u017ei\u0161t\u011b a pokou\u0161\u00ed se za\u0161ifrovat soubory s r\u016fzn\u00fdmi p\u0159\u00edponami. Po\u0161kozen\u00e9 soubory snadno rozezn\u00e1te, maj\u00ed toti\u017e zm\u011bn\u011bnou p\u0159\u00edponou na .WNCRY. Soubor.jpg se tedy prom\u011bn\u00ed na soubor.jpg.WNCRY.Jak se ochr\u00e1n\u00edte?Doporu\u010den\u00ed jsou st\u00e1le stejn\u00e9, neotv\u00edrat nezn\u00e1m\u00e9 p\u0159\u00edlohy email\u016f, pravideln\u011b prov\u00e1d\u011bt aktualizace syst\u00e9mu a virov\u00e9 datab\u00e1ze. Znamen\u00e1 to rozhodn\u011b nem\u00edt vypnut\u00e9 automatick\u00e9 aktualizace, u\u0161et\u0159\u00edte t\u00edm sice \u010das, ale ten pak budete naopak pot\u0159ebovat a\u017e budete \u0159e\u0161it komplikace.Nejd\u016fle\u017eit\u011bj\u0161\u00ed je v\u0161e pot\u0159ebn\u00e9 automaticky z\u00e1lohovat, ide\u00e1ln\u011b na v\u00edce m\u00edst pomoc\u00ed r\u016fzn\u011b dostupn\u00fdch aplikac\u00ed, kde m\u00e1te mo\u017enost si vybrat jak z\u00e1lohu fyzickou (zde je pot\u0159eba myslet na to, aby z\u00e1loha byla jinde ne\u017e na dan\u00e9m PC) a z\u00e1lohu na cloudu s ohledem na to, aby se ransomware nedostal i tam.V dne\u0161n\u00ed dob\u011b to nen\u00ed jednoduch\u00e9, ur\u010dit\u011b se nedoporu\u010duje \u00fato\u010dn\u00edk\u016fm cokoliv platit, ale v p\u0159\u00edpad\u011b napaden\u00ed nahl\u00e1sit trestn\u00fd \u010din policii \u010cR.                                                                                                                                                                                                                                                                                                                                                                                        4.3\/5 - (10 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Ransomware hrozba dne\u0161n\u00ed doby","item":"https:\/\/www.amoresperros.cz\/ransomware-hrozba-dnesni-doby\/#breadcrumbitem"}]}]