[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.212sqn.cz\/bezpecnost-elektronicke-posty\/#Article","mainEntityOfPage":"https:\/\/www.212sqn.cz\/bezpecnost-elektronicke-posty\/","headline":"Bezpe\u010dnost elektronick\u00e9 po\u0161ty","name":"Bezpe\u010dnost elektronick\u00e9 po\u0161ty","description":"Hovo\u0159\u00edme-li o elektronick\u00e9 po\u0161t\u011b, zkr\u00e1cen\u011b ji naz\u00fdv\u00e1me email, jedn\u00e1 se o zp\u016fsob odes\u00edl\u00e1n\u00ed, doru\u010dov\u00e1n\u00ed a p\u0159ij\u00edm\u00e1n\u00ed zpr\u00e1v prost\u0159ednictv\u00edm elektronick\u00fdch komunika\u010dn\u00edch syst\u00e9m\u016f. Ke zpr\u00e1v\u011b mohou b\u00fdt p\u0159ipojeny soubory, nap\u0159\u00edklad textov\u00e9 nebo multimedi\u00e1ln\u00ed, jejich velikost a mno\u017estv\u00ed b\u00fdv\u00e1 provozovateli emailov\u00fdch server\u016f omezeno. … ","datePublished":"2020-01-26","dateModified":"2023-05-05","author":{"@type":"Person","@id":"https:\/\/www.212sqn.cz\/author\/#Person","name":"","url":"https:\/\/www.212sqn.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/ee69a086fc043006d66000ff5e288b6b088fc8fa323128f3849437410a854832?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/ee69a086fc043006d66000ff5e288b6b088fc8fa323128f3849437410a854832?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"212sqn.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.212sqn.cz\/wp-content\/uploads\/img_a366785_w4329_t1579374859.jpg","url":"https:\/\/www.212sqn.cz\/wp-content\/uploads\/img_a366785_w4329_t1579374859.jpg","height":0,"width":0},"url":"https:\/\/www.212sqn.cz\/bezpecnost-elektronicke-posty\/","about":["IT"],"wordCount":420,"articleBody":"Hovo\u0159\u00edme-li o elektronick\u00e9 po\u0161t\u011b, zkr\u00e1cen\u011b ji naz\u00fdv\u00e1me email, jedn\u00e1 se o zp\u016fsob odes\u00edl\u00e1n\u00ed, doru\u010dov\u00e1n\u00ed a p\u0159ij\u00edm\u00e1n\u00ed zpr\u00e1v prost\u0159ednictv\u00edm elektronick\u00fdch komunika\u010dn\u00edch syst\u00e9m\u016f. Ke zpr\u00e1v\u011b mohou b\u00fdt p\u0159ipojeny soubory, nap\u0159\u00edklad textov\u00e9 nebo multimedi\u00e1ln\u00ed, jejich velikost a mno\u017estv\u00ed b\u00fdv\u00e1 provozovateli emailov\u00fdch server\u016f omezeno.  Elektronick\u00fd podpis Obvykle se pod t\u00edmto pojmem skr\u00fdv\u00e1 sofistikovan\u00fd n\u00e1stroj, kter\u00fd m\u00e1 za \u00fakol ov\u011b\u0159it, \u017ee konkr\u00e9tn\u00ed emailovou zpr\u00e1vu opravdu odeslala uveden\u00e1 osoba a \u017ee \u017e\u00e1dn\u00e1 jej\u00ed \u010d\u00e1st nebyla dodate\u010dn\u011b zm\u011bn\u011bna. Sou\u010d\u00e1st\u00ed elektronick\u00e9ho podpisu je identifikace autora podpisu, jeho ov\u011b\u0159en\u00ed zaji\u0161\u0165uje takzvan\u00e1 certifika\u010dn\u00ed autorita. Soukrom\u00ed a \u0161ifrov\u00e1n\u00ed  Soukrom\u00ed nen\u00ed zaru\u010deno, proto\u017ee soukrom\u00e9 emailov\u00e9 zpr\u00e1vy nejsou \u0161ifrovan\u00e9. P\u0159i cest\u011b k adres\u00e1tovi mus\u00ed proj\u00edt ur\u010dit\u00fdm mno\u017estv\u00edm po\u010d\u00edta\u010d\u016f, je tedy jednoduch\u00e9 zpr\u00e1vu zachytit a p\u0159e\u010d\u00edst ji. Nav\u00edc v\u011bt\u0161ina poskytovatel\u016f p\u0159ipojen\u00ed k internetu zpr\u00e1vy p\u0159ed jejich doru\u010den\u00edm ukl\u00e1d\u00e1 na sv\u00e9 servery, tam mohou z\u016fstat i n\u011bkolik m\u011bs\u00edc\u016f, p\u0159esto\u017ee si je u\u017eivatel ve sv\u00e9 emailov\u00e9 schr\u00e1nce vyma\u017ee. Proto existuj\u00ed \u0161ifrovac\u00ed aplikace, ty b\u00fdvaj\u00ed obvykle funk\u010dn\u011b spojeny s aplikacemi pro tvorbu elektronick\u00e9ho podpisu.  Nevy\u017e\u00e1dan\u00e9 zpr\u00e1vy St\u00e1le v\u011bt\u0161\u00edm probl\u00e9mem se st\u00e1v\u00e1 obt\u011b\u017euj\u00edc\u00ed nevy\u017e\u00e1dan\u00e1 reklamn\u00ed po\u0161ta, ozna\u010dov\u00e1na jako spam, proto je vhodn\u00e9 b\u00fdt se zve\u0159ej\u0148ov\u00e1n\u00edm soukrom\u00e9 emailov\u00e9 adresy opatrn\u00fd. Dal\u0161\u00edm typem je takzvan\u00fd hoax, zpravidla vymy\u0161len\u00e1 zaj\u00edmav\u00e1 a\u017e t\u0159eba i \u0161okuj\u00edc\u00ed zpr\u00e1va, kter\u00e1 koluje po internetu d\u00edky tomu, \u017ee si ji jednotliv\u00ed u\u017eivatel\u00e9 p\u0159epos\u00edlaj\u00ed. Zabr\u00e1nit \u0161\u00ed\u0159en\u00ed nevy\u017e\u00e1dan\u00fdch zpr\u00e1v maj\u00ed r\u016fzn\u00e9 programy na serverech nebo samostatn\u00e9 aplikace, kter\u00e9 jsou schopny je rozpoznat a na z\u00e1klad\u011b stanoven\u00fdch krit\u00e9ri\u00ed je odfiltrovat. Pro bezpe\u010dnost b\u011b\u017en\u00e9ho u\u017eivatele emailu plat\u00ed n\u011bkolik jednoduch\u00fdch z\u00e1sad. P\u0159edev\u0161\u00edm pravideln\u011b aktualizovat opera\u010dn\u00ed syst\u00e9m a pou\u017e\u00edvan\u00fd antivirov\u00fd program, pou\u017e\u00edvat siln\u00e9 heslo, to nikomu nesd\u011blovat ani jej nikam nezapisovat. Nebezpe\u010d\u00edm mohou b\u00fdt i p\u0159\u00edlohy emailov\u00fdch zpr\u00e1v, podez\u0159el\u00e9 soubory \u010di programy, proto je t\u0159eba b\u00fdt maxim\u00e1ln\u011b opatrn\u00fd p\u0159i jejich otev\u00edr\u00e1n\u00ed.                                                                                                                                                                                                                                                                                                                                                                                        4.2\/5 - (5 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Bezpe\u010dnost elektronick\u00e9 po\u0161ty","item":"https:\/\/www.212sqn.cz\/bezpecnost-elektronicke-posty\/#breadcrumbitem"}]}]