[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.ociz.cz\/jake-mame-druhy-pocitacovych-viru\/#Article","mainEntityOfPage":"https:\/\/www.ociz.cz\/jake-mame-druhy-pocitacovych-viru\/","headline":"Jak\u00e9 m\u00e1me druhy po\u010d\u00edta\u010dov\u00fdch vir\u016f","name":"Jak\u00e9 m\u00e1me druhy po\u010d\u00edta\u010dov\u00fdch vir\u016f","description":"Jednou z\u00a0nejv\u011bt\u0161\u00edch obav ka\u017ed\u00e9ho majitele po\u010d\u00edta\u010de je to, \u017ee se do n\u011bj dostane n\u011bjak\u00fd virus. V\u011bt\u0161ina m\u00e1 v\u0161ak jen povrchn\u00ed p\u0159edstavu o tom, jak takov\u00fd vir funguje a co v\u0161e m\u016f\u017ee nap\u00e1chat. \u00a0 Obvykl\u00e1 p\u0159edstava je, \u017ee nebudeme m\u00edt p\u0159\u00edstup ke sv\u00fdm soubor\u016fm, nebo se za\u010dnou chovat divn\u011b. Tak ale pracuje jen mal\u00e9 procento. V\u011bt\u0161ina...<p class=\"more-link-wrap\"><a href=\"https:\/\/www.ociz.cz\/jake-mame-druhy-pocitacovych-viru\/\" class=\"more-link\">P\u0159e\u010d\u00edst<span class=\"screen-reader-text\"> &ldquo;Jak\u00e9 m\u00e1me druhy po\u010d\u00edta\u010dov\u00fdch vir\u016f&rdquo;<\/span> &raquo;<\/a><\/p>","datePublished":"2022-03-22","dateModified":"2023-06-09","author":{"@type":"Person","@id":"https:\/\/www.ociz.cz\/author\/#Person","name":"","url":"https:\/\/www.ociz.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/16435f0a6c9262449b9ebb39f63178cd65c54b09f931b6f84682f48086e3d763?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/16435f0a6c9262449b9ebb39f63178cd65c54b09f931b6f84682f48086e3d763?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"ociz.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.ociz.cz\/wp-content\/uploads\/pocitac1_4.jpg","url":"https:\/\/www.ociz.cz\/wp-content\/uploads\/pocitac1_4.jpg","height":0,"width":0},"url":"https:\/\/www.ociz.cz\/jake-mame-druhy-pocitacovych-viru\/","about":["IT"],"wordCount":424,"articleBody":"Jednou z\u00a0nejv\u011bt\u0161\u00edch obav ka\u017ed\u00e9ho majitele po\u010d\u00edta\u010de je to, \u017ee se do n\u011bj dostane n\u011bjak\u00fd virus. V\u011bt\u0161ina m\u00e1 v\u0161ak jen povrchn\u00ed p\u0159edstavu o tom, jak takov\u00fd vir funguje a co v\u0161e m\u016f\u017ee nap\u00e1chat.\u00a0Obvykl\u00e1 p\u0159edstava je, \u017ee nebudeme m\u00edt p\u0159\u00edstup ke sv\u00fdm soubor\u016fm, nebo se za\u010dnou chovat divn\u011b. Tak ale pracuje jen mal\u00e9 procento. V\u011bt\u0161ina z\u00a0nich je mnohem z\u00e1ke\u0159n\u011bj\u0161\u00ed v\u00a0tom, \u017ee si ani nev\u0161imnete jejich p\u0159\u00edtomnosti. Nap\u00e1chan\u00e9 \u0161kody jsou tak mnohem vy\u0161\u0161\u00ed.\u00a0Je pravdou, \u017ee star\u00e9 typy vir\u016f, kter\u00e9 v\u00e1m zm\u011bnily nap\u0159\u00edklad pozad\u00ed plochy u\u017e prakticky nevid\u00edme. D\u016fvodem je samoz\u0159ejm\u011b to, \u017ee se na n\u011b prakticky hned p\u0159i\u0161lo a byly tak obvykle odstran\u011bny je\u0161t\u011b p\u0159edt\u00edm, ne\u017e stihly zp\u016fsobit n\u011bjakou \u0161kodu. Dnes je to v\u0161ak jinak.\u00a0\u00a0Jedn\u00edm z\u00a0nejb\u011b\u017en\u011bj\u0161\u00edch typ\u016f je ten, kter\u00fd se navenek nijak neprojevuje. M\u00edsto toho sb\u00edr\u00e1 informace z\u00a0va\u0161eho po\u010d\u00edta\u010de, jako jsou nap\u0159\u00edklad ulo\u017een\u00e1 hesla, a pos\u00edl\u00e1 je sv\u00e9mu tv\u016frci. Ten jich pak m\u016f\u017ee velmi snadno zneu\u017e\u00edt.\u00a0Velmi popul\u00e1rn\u00ed jsou tak\u00e9 ty, kter\u00e9 v\u00e1m budou neust\u00e1le zobrazovat vyskakovac\u00ed okna s\u00a0nejr\u016fzn\u011bj\u0161\u00edmi reklamami. Ty v\u011bt\u0161inou b\u00fdvaj\u00ed na ne zrovna \u010destn\u00e9 firmy, p\u0159\u00edpadn\u011b na pornografick\u00e9 str\u00e1nky. C\u00edlem je samoz\u0159ejm\u011b, abyste na ni kliknuli a zv\u00fd\u0161ili n\u00e1v\u0161t\u011bvnost dan\u00e9 webov\u00e9 str\u00e1nky.\u00a0\u00a0Co se \u0161\u00ed\u0159en\u00ed t\u00fd\u010de, tak to \u010dasto prob\u00edh\u00e1 nepozorovan\u011b \u2013 nap\u0159\u00edklad m\u016f\u017ee b\u00fdt z\u00a0va\u0161eho e-mailov\u00e9ho \u010di Facebookov\u00e9ho \u00fa\u010dtu posl\u00e1na zpr\u00e1va v\u0161em va\u0161im kontakt\u016fm s\u00a0odkazem, po jeho\u017e otev\u0159en\u00ed se do jejich za\u0159\u00edzen\u00ed tak\u00e9 st\u00e1hne virus.\u00a0Jak se tedy proti tomu br\u00e1nit? Z\u00e1kladem je samoz\u0159ejm\u011b kvalitn\u00ed antivirus. Zde se rozhodn\u011b nedoporu\u010duje pou\u017e\u00edvat demoverze \u010di programy, kter\u00e9 jsou zdarma. Ty toti\u017e obvykle nemaj\u00ed kompletn\u00ed datab\u00e1zi a nejsou pr\u016fb\u011b\u017en\u011b aktualizov\u00e1ny. Ochrana, kterou poskytuj\u00ed, tedy nen\u00ed ani zdaleka tak dobr\u00e1, jak by mohla b\u00fdt.\u00a0Dal\u0161\u00edm opat\u0159en\u00edm by m\u011blo b\u00fdt to, \u017ee nebudeme stahovat nic ze str\u00e1nek, kter\u00e9 nejsou stoprocentn\u011b d\u016fv\u011bryhodn\u00e9. I kdyby to bylo jedin\u00e9 m\u00edsto, kde lze naj\u00edt dan\u00fd program \u010di soubor, v\u011b\u0159te, \u017ee za to riziko to rozhodn\u011b nestoj\u00ed.                                                                                                                                                                                                                                                                                                                                                                                                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