[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.nacevi.cz\/jak-lze-bezdratove-ohrozit-vas-pocitac\/#Article","mainEntityOfPage":"https:\/\/www.nacevi.cz\/jak-lze-bezdratove-ohrozit-vas-pocitac\/","headline":"Jak lze bezdr\u00e1tov\u011b ohrozit V\u00e1\u0161 po\u010d\u00edta\u010d","name":"Jak lze bezdr\u00e1tov\u011b ohrozit V\u00e1\u0161 po\u010d\u00edta\u010d","description":"\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0158\u00edk\u00e1 se, a mezi u\u017eivateli v\u00fdpo\u010detn\u00ed techniky se velmi rychle \u0161\u00ed\u0159\u00ed n\u00e1zor, \u017ee pokud chceme m\u00edt jistotu, \u017ee n\u00e1\u0161 po\u010d\u00edta\u010d nenapadnou \u017e\u00e1dn\u00e9 viry a hacke\u0159i, mus\u00edme se pohybovat v\u00a0re\u017eimu OF-LINE. Pokud je V\u00e1\u0161 po\u010d\u00edta\u010d p\u0159ipojen k\u00a0s\u00edti p\u0159es Bluetooth, Wi-Fi nebo klasick\u00fd internet, m\u016f\u017ee b\u00fdt ohro\u017een kr\u00e1de\u017eemi dat, viry, hackery nebo sta\u017een\u00edm n\u011bkter\u00fdch komponent. \u00a0 […]","datePublished":"2025-03-03","dateModified":"2025-03-03","author":{"@type":"Person","@id":"https:\/\/www.nacevi.cz\/author\/#Person","name":"","url":"https:\/\/www.nacevi.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/91b1fc57487c55a66a7777af0dd690bf69c571b4a9b15cda0db8854a78b7888c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/91b1fc57487c55a66a7777af0dd690bf69c571b4a9b15cda0db8854a78b7888c?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"nacevi.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.nacevi.cz\/wp-content\/uploads\/img_a300024_w1779_t1510125075.jpg","url":"https:\/\/www.nacevi.cz\/wp-content\/uploads\/img_a300024_w1779_t1510125075.jpg","height":0,"width":0},"url":"https:\/\/www.nacevi.cz\/jak-lze-bezdratove-ohrozit-vas-pocitac\/","wordCount":388,"articleBody":"\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0158\u00edk\u00e1 se, a mezi u\u017eivateli v\u00fdpo\u010detn\u00ed techniky se velmi rychle \u0161\u00ed\u0159\u00ed n\u00e1zor, \u017ee pokud chceme m\u00edt jistotu, \u017ee n\u00e1\u0161 po\u010d\u00edta\u010d nenapadnou \u017e\u00e1dn\u00e9 viry a hacke\u0159i, mus\u00edme se pohybovat v\u00a0re\u017eimu OF-LINE. Pokud je V\u00e1\u0161 po\u010d\u00edta\u010d p\u0159ipojen k\u00a0s\u00edti p\u0159es Bluetooth, Wi-Fi nebo klasick\u00fd internet, m\u016f\u017ee b\u00fdt ohro\u017een kr\u00e1de\u017eemi dat, viry, hackery nebo sta\u017een\u00edm n\u011bkter\u00fdch komponent.\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Mus\u00edme si v\u0161ak uv\u011bdomit, \u017ee i dob\u0159e zabezpe\u010den\u00fd po\u010d\u00edta\u010d bez p\u0159ipojen\u00ed k\u00a0internetu, tedy v\u00a0re\u017eimu OF-LINE, m\u016f\u017ee b\u00fdt c\u00edlem \u00fatoku a napaden\u00ed. Zaj\u00edmav\u00e9 \u0159e\u0161en\u00ed tohoto probl\u00e9mu na\u0161li t\u0159i v\u011bdci z\u00a0izraelsk\u00e9 university. Zjistili, \u017ee lze software pod ozna\u010den\u00edm USBee zabudovat do b\u011b\u017en\u00fdch USB za\u0159\u00edzen\u00ed a pot\u00e9 z\u00a0infikovan\u00fdch za\u0159\u00edzen\u00ed bezdr\u00e1tov\u011b p\u0159en\u00e1\u0161et data.\u00a0Nebezpe\u010dn\u00fd software USBee:–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Vlastn\u00ed funkce je zalo\u017eena na p\u0159enosu elektromagnetick\u00fdch sign\u00e1l\u016f.–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Aby bylo mo\u017en\u00e9 tyto sign\u00e1ly zaznamenat a analyzovat, pot\u0159ebuje druh\u00fd po\u010d\u00edta\u010d pouze v\u00fdkonnou ant\u00e9nu a ty spr\u00e1vn\u00e9 funk\u010dn\u00ed n\u00e1stroje.–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Tento zp\u016fsob \u00fatoku umo\u017e\u0148uje p\u0159en\u00e9st a\u017e 80 bajt\u016f za sekundu, v\u00a0z\u00e1vislosti na typu USB za\u0159\u00edzen\u00ed, kter\u00fd software vyu\u017e\u00edv\u00e1.–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nap\u0159\u00edklad b\u011b\u017en\u00fd USB flash disk umo\u017enuje tento p\u0159enos na vzd\u00e1lenost necel\u00e9 t\u0159i metry. Pokud je za\u0159\u00edzen\u00ed p\u0159ipojeno prost\u0159ednictv\u00edm kabelu, kter\u00fd lze pou\u017e\u00edt jako ant\u00e9nu, pak se zvy\u0161uje dosah p\u0159enosu a\u017e na osm metr\u016f.–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 I p\u0159es tuto, v\u00ed\u0161e popsanou mo\u017enost, nen\u00ed pravd\u011bpodobn\u00e9, \u017ee by se USBee n\u011bjak nekontrolovateln\u011b \u0161\u00ed\u0159il. Prvn\u00edm krokem je toti\u017e nutnost infikovat po\u010d\u00edta\u010d, kter\u00fd nen\u00ed p\u0159ipojen k\u00a0s\u00edti a v\u00a0praxi to vy\u017eaduje obrovsk\u00e9 \u00fasil\u00ed a dlouhodob\u00e9 pl\u00e1nov\u00e1n\u00ed.–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 USBee nap\u0159\u00edklad dok\u00e1\u017ee pou\u017e\u00edt kabel z\u00a0USB kl\u00e1vesnice nebo my\u0161i pro p\u0159enos p\u0159\u00edstupov\u00fdch \u00fadaj\u016f do p\u0159ipraven\u00e9 p\u0159ij\u00edmac\u00ed ant\u00e9ny druh\u00e9ho po\u010d\u00edta\u010de.\u00a0Z\u00a0v\u00fd\u0161e uveden\u00fdch poznatk\u016f tedy vypl\u00fdv\u00e1, \u017ee pomoc\u00ed USBee mohou b\u00fdt teoreticky ohro\u017eeny i syst\u00e9my, kter\u00e9 jsou pova\u017eov\u00e1ny za zcela bezpe\u010dn\u00e9.                                                                                                                                                                                                                                                                                                                                                                                        5\/5 - (1 vote)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak lze bezdr\u00e1tov\u011b ohrozit V\u00e1\u0161 po\u010d\u00edta\u010d","item":"https:\/\/www.nacevi.cz\/jak-lze-bezdratove-ohrozit-vas-pocitac\/#breadcrumbitem"}]}]