[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.peteroravec.sk\/co-su-to-virusy-a-ako-sa-voci-nim-chranit\/#Article","mainEntityOfPage":"https:\/\/www.peteroravec.sk\/co-su-to-virusy-a-ako-sa-voci-nim-chranit\/","headline":"\u010co s\u00fa to v\u00edrusy a ako sa vo\u010di nim chr\u00e1ni\u0165?","name":"\u010co s\u00fa to v\u00edrusy a ako sa vo\u010di nim chr\u00e1ni\u0165?","description":"Nielen \u013eudsk\u00e9 telo nie je odoln\u00e9 vo\u010di v\u0161etk\u00fdm v\u00edrusom. Rovnako je to aj s na\u0161imi po\u010d\u00edta\u010dmi. V\u00edrus je \u0161kodliv\u00fd k\u00f3d","datePublished":"2017-04-14","dateModified":"2023-04-25","author":{"@type":"Person","@id":"https:\/\/www.peteroravec.sk\/author\/#Person","name":"","url":"https:\/\/www.peteroravec.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/e2bc6fe70dccf39a55c73bbd7bca9ee949cec8871fdab6d0b20905b7ccca14f3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/e2bc6fe70dccf39a55c73bbd7bca9ee949cec8871fdab6d0b20905b7ccca14f3?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"peteroravec.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.peteroravec.sk\/wp-content\/uploads\/img_a281061_w2017_t1497454059.jpg","url":"https:\/\/www.peteroravec.sk\/wp-content\/uploads\/img_a281061_w2017_t1497454059.jpg","height":0,"width":0},"url":"https:\/\/www.peteroravec.sk\/co-su-to-virusy-a-ako-sa-voci-nim-chranit\/","about":["Www"],"wordCount":595,"articleBody":"\tNielen \u013eudsk\u00e9 telo nie je odoln\u00e9 vo\u010di v\u0161etk\u00fdm v\u00edrusom. Rovnako je to aj s na\u0161imi po\u010d\u00edta\u010dmi.\tV\u00edrus je \u0161kodliv\u00fd k\u00f3d alebo softv\u00e9r, ktor\u00fd m\u00e1 rozli\u010dn\u00e9 funkcie, no v podstate m\u00e1 rovnak\u00fa funkciu ako \u013eudsk\u00fd v\u00edrus a teda, \u017ee nap\u00e1da zdrav\u00e9 s\u00fabory a po\u0161kodzuje, men\u00ed,ich \u0161trukt\u00faru. Pozn\u00e1me nieko\u013eko druhov v\u00edrusov.\t\u00a0\tADWARE\tJe to \u0161kodliv\u00fd softv\u00e9r, ktor\u00e9ho hlavnou funkciou je otv\u00e1ra\u0165 reklamy a bez vedomia pou\u017e\u00edvate\u013ea ich uklada\u0165 do po\u010d\u00edta\u010da. Ich najv\u00e4\u010d\u0161\u00edm nebezpe\u010denstvom v\u0161ak je fakt, \u017ee m\u00f4\u017eu posiela\u0165 \u00fadaje o nav\u0161t\u00edven\u00fdch str\u00e1nkach tret\u00edm stran\u00e1m. Adware v\u0161ak pou\u017e\u00edvaj\u00fa mnoh\u00e9 firmy na hlb\u0161\u00ed \u0161tatistick\u00fd prieskum nav\u0161tevovan\u00fdch str\u00e1nok a pod\u013ea toho vedia, ak\u00fdm smerom maj\u00fa zamera\u0165 reklamu na konkr\u00e9tneho pou\u017e\u00edvate\u013ea.\tAdware sa d\u00e1 z po\u010d\u00edta\u010da odstr\u00e1ni\u0165 dvoma sp\u00f4sobmi. Ru\u010dne, cez odin\u0161talovanie programov a s\u00fa\u010dast\u00ed, alebo automaticky. To sa d\u00e1 stiahnut\u00edm antispywarov\u00e9ho softv\u00e9ru, ktor\u00fd je dostupn\u00fd na stiahnutie. Tu v\u0161ak treba d\u00e1va\u0165 pozor na nefunk\u010dn\u00e9 verzie z pochybn\u00fdch zdrojov.\tSPYWARE\t\u0160kodliv\u00fd program, ktor\u00fd vyu\u017e\u00edva ur\u010dit\u00e9 internetov\u00e9 str\u00e1nky na z\u00edskavanie inform\u00e1cii o pou\u017e\u00edvate\u013eovi a odosiela ich svojmu tvorcovi, ktor\u00fd s t\u00fdmito inform\u00e1ciami \u010falej pracuje. Spyware m\u00f4\u017ee napr\u00edklad fungova\u0165 aj na princ\u00edpe keylogger (ide o zaznamen\u00e1vanie stla\u010den\u00fdch kl\u00e1ves napr\u00edklad pri zad\u00e1van\u00ed hesla) alebo „backdoor“ kedy nech\u00e1va pr\u00edstup do po\u010d\u00edta\u010da hackerovi, aby sa do neho mohol dosta\u0165 bez poru\u0161enia bezpe\u010dnosti.\t\u010cERVY\tS\u00fa najroz\u0161\u00edrenej\u0161ou formou v\u00edrusov, s\u00fa zn\u00e1me svojou r\u00fdchlos\u0165ou \u0161\u00edrenia a mohutnos\u0165ou, ke\u010f\u017ee sa r\u00fdchlo replikuj\u00fa a infikuj\u00fa cel\u00fd syst\u00e9m. Pod\u013ea toho, kde sa vyskytuj\u00fa, m\u00f4\u017ee \u00eds\u0165 o e-mailov\u00e9ho alebo sie\u0165ov\u00e9ho \u010derva.\tE-mailov\u00fd \u010derv sa \u0161\u00edri internetovou komunik\u00e1ciou, potrebuje \u013eudsk\u00fd z\u00e1sah, preto\u017ee sa ne\u0161\u00edri bez toho, aby ho niekto nespustil. Zv\u00e4\u010d\u0161a sa vyskytuje ako pr\u00edloha e-mailov a vyu\u017e\u00edva \u013eudsk\u00fa zvedavos\u0165 a nevzdelanos\u0165. Typick\u00fdm pr\u00edkladom e-mailov\u00e9ho \u010derva je IloveYou alebo Klez.\tSie\u0165ov\u00fd \u010derv sa \u0161\u00edri po sieti prostredn\u00edctvom serverov\u00fdch ch\u00fdb. V\u00e4\u010d\u0161inou s\u00e1m akt\u00edvne vyh\u013ead\u00e1va \u010fal\u0161ie servery a t\u00fdm sa infikuje do cel\u00e9ho syst\u00e9mu. Je \u0165a\u017eko ovl\u00e1date\u013en\u00fd najm\u00e4 preto, \u017ee nepotrebuje hackera, aby fungoval. Ako pr\u00edklad uvediem Clapper.\tNa odstra\u0148ovanie \u010dervov nie je potrebn\u00e9 \u0161peci\u00e1lne programy, nako\u013eko je ich v\u00fdskyt \u013eahko spozorovate\u013en\u00fd a nemaj\u00fa ve\u013ek\u00fa ochranu pred antiv\u00edrov\u00fdm softv\u00e9rom. Infikovaniu \u010dervom sa d\u00e1 vyhn\u00fa\u0165 napr\u00edklad zapnut\u00edm firewallu alebo neotv\u00e1ran\u00edm podozriv\u00fdch pr\u00edloh.\tTR\u00d3JSKY K\u00d4\u0147\tJe to jeden z najnebezpe\u010dnej\u0161\u00edch v\u00edrusov, od po\u010d\u00edta\u010dov\u00fdch \u010dervov sa l\u00ed\u0161i t\u00fdm, \u017ee sa \u010falej nereplikuje. Pri spusten\u00ed sa tv\u00e1ri ako u\u017eito\u010dn\u00fd softv\u00e9r, no v skuto\u010dnosti v\u00f4bec nepracuje, iba na pozad\u00ed pomaly po\u0161kodzuje s\u00fabory na pevnom disku. Tr\u00f3jsky k\u00f4\u0148 sa vyskytuje naj\u010dastej\u0161ie vo forme spustite\u013en\u00e9ho s\u00faboru, no v podstate neobsahuje ni\u010d iba k\u00f3d trojana. M\u00e1 viacer\u00e9 funkcie, pri\u010dom m\u00f4\u017ee p\u00f4sobi\u0165 ako spyware- odosiela inform\u00e1cie \u010fal\u0161\u00edm stran\u00e1m.\tNa jeho odstr\u00e1nen\u00ed a detekovan\u00ed sa podie\u013ea antiv\u00edrov\u00fd program.                                                                                                                                                                                                                                                                                                                                                                                        3.7\/5 - (9 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"\u010co s\u00fa to v\u00edrusy a ako sa vo\u010di nim chr\u00e1ni\u0165?","item":"https:\/\/www.peteroravec.sk\/co-su-to-virusy-a-ako-sa-voci-nim-chranit\/#breadcrumbitem"}]}]