{"id":61109,"date":"2023-12-08T20:24:23","date_gmt":"2023-12-08T11:24:23","guid":{"rendered":"https:\/\/monolith.law\/cs\/?p=61109"},"modified":"2024-03-27T11:48:57","modified_gmt":"2024-03-27T02:48:57","slug":"denial-of-service-attack-dos","status":"publish","type":"post","link":"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos","title":{"rendered":"DoS je trestn\u00fd \u010din? Advok\u00e1t vysv\u011btluje o trestn\u00e9m \u010dinu po\u0161kozen\u00ed elektronick\u00fdch po\u010d\u00edta\u010d\u016f a dal\u0161\u00edch forem naru\u0161en\u00ed obchodn\u00ed \u010dinnosti"},"content":{"rendered":"\n<p>Trestn\u00fd \u010din naru\u0161en\u00ed provozu elektronick\u00fdch po\u010d\u00edta\u010d\u016f byl nov\u011b zaveden v roce \u0160\u00f3wa 62 (1987). V t\u00e9 dob\u011b, s rychl\u00fdm r\u016fstem ekonomiky a rozvojem technologi\u00ed, se po\u010d\u00edta\u010de za\u010daly hojn\u011b vyu\u017e\u00edvat v kancel\u00e1\u0159\u00edch.<\/p>\n\n\n\n<p>Pr\u00e1ce, kter\u00e9 byly d\u0159\u00edve prov\u00e1d\u011bny lidmi, za\u010daly b\u00fdt prov\u00e1d\u011bny po\u010d\u00edta\u010di, a tak\u00e9 se roz\u0161i\u0159oval rozsah obchodn\u00edch \u010dinnost\u00ed. Proto se za\u010dalo p\u0159edpokl\u00e1dat, \u017ee by mohlo doj\u00edt k naru\u0161en\u00ed provozu zam\u011b\u0159en\u00e9mu na po\u010d\u00edta\u010de, a aby se tomu \u010delilo, byl tento z\u00e1kon nov\u011b zaveden.<\/p>\n\n\n\n<p>Av\u0161ak v dob\u011b jeho zaveden\u00ed byly po\u010d\u00edta\u010de st\u00e1le ve v\u00fdvoji a internet nebyl je\u0161t\u011b roz\u0161\u00ed\u0159en\u00fd, tak\u017ee bylo obt\u00ed\u017en\u00e9 konkr\u00e9tn\u011b p\u0159edv\u00eddat kybernetickou kriminalitu. Nav\u00edc tento z\u00e1kon nepou\u017e\u00edv\u00e1 term\u00edny z oblasti po\u010d\u00edta\u010dov\u00e9 v\u011bdy nebo informa\u010dn\u00edch v\u011bd, ani term\u00edny b\u011b\u017en\u011b pou\u017e\u00edvan\u00e9 v spole\u010dnosti, ale je formulov\u00e1n v jazyce typick\u00e9m pro trestn\u00ed z\u00e1kon\u00edk, co\u017e vede k r\u016fzn\u00fdm interpretac\u00edm a m\u016f\u017ee b\u00fdt pro ob\u010dany obt\u00ed\u017en\u011b srozumiteln\u00fd.<\/p>\n\n\n\n<p>Tento trestn\u00fd \u010din je obecn\u011b pova\u017eov\u00e1n za odpov\u00eddaj\u00edc\u00ed typ trestn\u00e9ho \u010dinu zvan\u00e9ho po\u010d\u00edta\u010dov\u00e1 kriminalita, kter\u00fd je sou\u010d\u00e1st\u00ed kybernetick\u00e9 kriminality.<\/p>\n\n\n\n<p>V tomto \u010dl\u00e1nku podrobn\u011b a srozumiteln\u011b vysv\u011btl\u00edme trestn\u00fd \u010din naru\u0161en\u00ed provozu elektronick\u00fdch po\u010d\u00edta\u010d\u016f.<\/p>\n\n\n\n<p><a href=\"https:\/\/monolith.law\/corporate\/categories-of-cyber-crime\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/monolith.law\/corporate\/categories-of-cyber-crime[ja]<\/a><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_53 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos\/#Co_je_to_utok_DoS\" title=\"Co je to \u00fatok DoS\">Co je to \u00fatok DoS<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos\/#Typy_utoku_DoS\" title=\"Typy \u00fatok\u016f DoS\">Typy \u00fatok\u016f DoS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos\/#Mechanismus_utoku_DoS\" title=\"Mechanismus \u00fatoku DoS\">Mechanismus \u00fatoku DoS<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos\/#Je_DoS_utok_trestnym_cinem_podle_zakona_o_poskozeni_pocitace_a_naruseni_provozu\" title=\"Je DoS \u00fatok trestn\u00fdm \u010dinem podle z\u00e1kona o po\u0161kozen\u00ed po\u010d\u00edta\u010de a naru\u0161en\u00ed provozu?\">Je DoS \u00fatok trestn\u00fdm \u010dinem podle z\u00e1kona o po\u0161kozen\u00ed po\u010d\u00edta\u010de a naru\u0161en\u00ed provozu?<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos\/#Splneni_objektivnich_pozadavku\" title=\" Spln\u011bn\u00ed objektivn\u00edch po\u017eadavk\u016f\"> Spln\u011bn\u00ed objektivn\u00edch po\u017eadavk\u016f<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos\/#Utok_na_pocitac\" title=\" \u00datok na po\u010d\u00edta\u010d\"> \u00datok na po\u010d\u00edta\u010d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos\/#Prekazeni_operace_pocitace\" title=\"P\u0159ek\u00e1\u017een\u00ed operace po\u010d\u00edta\u010de\">P\u0159ek\u00e1\u017een\u00ed operace po\u010d\u00edta\u010de<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos\/#Naruseni_provozu\" title=\"Naru\u0161en\u00ed provozu\">Naru\u0161en\u00ed provozu<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos\/#Splneni_subjektivnich_pozadavku_umysl\" title=\"Spln\u011bn\u00ed subjektivn\u00edch po\u017eadavk\u016f (\u00famysl)\">Spln\u011bn\u00ed subjektivn\u00edch po\u017eadavk\u016f (\u00famysl)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos\/#Pripad_masivniho_pristupu_na_webove_stranky_Mestske_knihovny_Okazaki\" title=\"P\u0159\u00edpad masivn\u00edho p\u0159\u00edstupu na webov\u00e9 str\u00e1nky M\u011bstsk\u00e9 knihovny Okazaki\">P\u0159\u00edpad masivn\u00edho p\u0159\u00edstupu na webov\u00e9 str\u00e1nky M\u011bstsk\u00e9 knihovny Okazaki<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos\/#Problemy_a_kritika_pripadu\" title=\"Probl\u00e9my a kritika p\u0159\u00edpadu\">Probl\u00e9my a kritika p\u0159\u00edpadu<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/monolith.law\/cs\/it\/denial-of-service-attack-dos\/#Shrnuti\" title=\"Shrnut\u00ed\">Shrnut\u00ed<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Co_je_to_utok_DoS\"><\/span>Co je to \u00fatok DoS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/monolith.law\/wp-content\/uploads\/2020\/04\/shutterstock_1091269520-1024x684.jpg\" alt=\"\" class=\"wp-image-8615\" \/><\/figure>\n\n\n\n<p>\u00datok DoS (Denial of Service attack) je typ kybernetick\u00e9ho \u00fatoku, kter\u00fd zahrnuje zas\u00edl\u00e1n\u00ed velk\u00e9ho mno\u017estv\u00ed dat nebo neopr\u00e1vn\u011bn\u00fdch dat na webov\u00e9 str\u00e1nky nebo servery c\u00edle \u00fatoku, co\u017e zp\u016fsobuje nadm\u011brn\u00e9 zat\u00ed\u017een\u00ed a n\u00e1sledn\u00e9 neschopnosti syst\u00e9mu fungovat spr\u00e1vn\u011b. Na rozd\u00edl od neopr\u00e1vn\u011bn\u00e9ho p\u0159\u00edstupu, kter\u00fd obejde opr\u00e1vn\u011bn\u00ed k pou\u017eit\u00ed, nebo vir\u016f, kter\u00e9 p\u0159evezmou kontrolu nad syst\u00e9mem, \u00fatok DoS br\u00e1n\u00ed regul\u00e9rn\u00edm u\u017eivatel\u016fm v p\u0159\u00edstupu. Tato metoda kybernetick\u00e9ho \u00fatoku existuje ji\u017e dlouho a je \u010dasto pou\u017e\u00edv\u00e1na v \u00fatoc\u00edch DDoS (Distributed Denial of Service attack), co\u017e je distribuovan\u00fd typ \u00fatoku. I v posledn\u00edch letech jsou takov\u00e9 \u00fatoky \u010dast\u00fdm zdrojem obt\u011b\u017eov\u00e1n\u00ed a \u0161kod.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Typy_utoku_DoS\"><\/span>Typy \u00fatok\u016f DoS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u00datoky DoS se d\u011bl\u00ed na dva typy: &#8220;flood&#8221; a &#8220;exploit&#8221;.<\/p>\n\n\n\n<p>&#8220;Flood&#8221; poch\u00e1z\u00ed z anglick\u00e9ho slova pro povode\u0148 a znamen\u00e1, \u017ee \u00fato\u010dn\u00edk p\u0159ekon\u00e1 protokol a za\u0161le obrovsk\u00e9 mno\u017estv\u00ed dat, kter\u00e9 c\u00edl \u00fatoku nen\u00ed schopen zpracovat.<\/p>\n\n\n\n<p>Na druh\u00e9 stran\u011b, &#8220;exploit&#8221; typ \u00fatoku vyu\u017e\u00edv\u00e1 zranitelnosti serveru nebo aplikace, prov\u00e1d\u00ed neopr\u00e1vn\u011bn\u00e9 operace a zastav\u00ed jejich funkci. Hranice mezi t\u00edmto typem \u00fatoku a neopr\u00e1vn\u011bn\u00fdm p\u0159\u00edstupem m\u016f\u017ee b\u00fdt nejasn\u00e1. Nap\u0159\u00edklad typick\u00fd &#8220;exploit&#8221; \u00fatok DoS, zn\u00e1m\u00fd jako LAND \u00fatok, zahrnuje odesl\u00e1n\u00ed paketu, jeho\u017e zdrojov\u00e1 a c\u00edlov\u00e1 IP adresa a \u010d\u00edslo portu jsou stejn\u00e9. Jednodu\u0161e \u0159e\u010deno, \u00fato\u010dn\u00edk A po\u0161le serveru B paket s v\u00fdznamem &#8220;Jsem B a chci odpov\u011b\u010f&#8221;. B pak odpov\u00ed s\u00e1m sob\u011b, co\u017e vede k nekone\u010dn\u00e9 smy\u010dce. Tento \u00fatok vyu\u017e\u00edv\u00e1 &#8220;zranitelnost&#8221; v tom smyslu, \u017ee odpov\u00edd\u00e1 na pakety, jejich\u017e zdrojem je s\u00e1m. Nicm\u00e9n\u011b, proto\u017ee neobejde autentizaci hesla, je klasifikov\u00e1n jako &#8220;exploit&#8221; typ \u00fatoku DoS, nikoli jako neopr\u00e1vn\u011bn\u00fd p\u0159\u00edstup.<\/p>\n\n\n\n<p><a href=\"https:\/\/monolith.law\/reputation\/unauthorized-computer-access\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/monolith.law\/reputation\/unauthorized-computer-access[ja]<\/a><\/p>\n\n\n\n<p>DDoS \u00fatoky jsou distribuovan\u00e9 \u00fatoky, kter\u00e9 vyu\u017e\u00edvaj\u00ed tis\u00edce po\u010d\u00edta\u010d\u016f infikovan\u00fdch bot viry, kter\u00e9 jsou ovl\u00e1d\u00e1ny na d\u00e1lku a prov\u00e1d\u011bj\u00ed &#8220;flood&#8221; typ \u00fatoku DoS.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mechanismus_utoku_DoS\"><\/span>Mechanismus \u00fatoku DoS<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Mechanismus \u00fatoku DoS je technicky jednoduch\u00fd a zahrnuje opakovan\u00e9 a \u010dast\u00e9 prov\u00e1d\u011bn\u00ed akc\u00ed, kter\u00e9 jsou obecn\u011b povoleny v r\u00e1mci protokolu TCP\/IP. Nap\u0159\u00edklad, kdy\u017e se mnoho lid\u00ed pokus\u00ed koupit vstupenky na koncert popul\u00e1rn\u00edho idolu v dob\u011b ve\u0159ejn\u00e9ho prodeje a p\u0159istoup\u00ed na prodejn\u00ed str\u00e1nku, str\u00e1nka se m\u016f\u017ee zpomalit nebo spadnout kv\u016fli p\u0159et\u00ed\u017een\u00ed. \u00datok DoS zneu\u017e\u00edv\u00e1 legitimn\u00ed opr\u00e1vn\u011bn\u00ed k vytvo\u0159en\u00ed takov\u00e9 situace \u00famysln\u011b.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Je_DoS_utok_trestnym_cinem_podle_zakona_o_poskozeni_pocitace_a_naruseni_provozu\"><\/span>Je DoS \u00fatok trestn\u00fdm \u010dinem podle z\u00e1kona o po\u0161kozen\u00ed po\u010d\u00edta\u010de a naru\u0161en\u00ed provozu?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/monolith.law\/wp-content\/uploads\/2020\/04\/shutterstock_1611484192-1024x570.jpg\" alt=\"\" class=\"wp-image-8618\" \/><figcaption class=\"wp-element-caption\"> <\/figcaption><\/figure>\n\n\n\n<p>Tak\u017ee, je DoS \u00fatok trestn\u00fdm \u010dinem? Zkoumejme, zda se jedn\u00e1 o trestn\u00fd \u010din podle z\u00e1kona o po\u0161kozen\u00ed po\u010d\u00edta\u010de a naru\u0161en\u00ed provozu.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>Kdo po\u0161kod\u00ed po\u010d\u00edta\u010d nebo magnetick\u00fd z\u00e1znam pou\u017e\u00edvan\u00fd v provozu, nebo kdo poskytne fale\u0161n\u00e9 informace nebo neopr\u00e1vn\u011bn\u00e9 pokyny po\u010d\u00edta\u010di pou\u017e\u00edvan\u00e9mu v provozu, nebo kdo jin\u00fdm zp\u016fsobem zp\u016fsob\u00ed, \u017ee po\u010d\u00edta\u010d neprov\u00e1d\u00ed operace podle sv\u00e9ho \u00fa\u010delu, nebo \u017ee prov\u00e1d\u00ed operace v rozporu se sv\u00fdm \u00fa\u010delem a t\u00edm naru\u0161\u00ed provoz, bude potrest\u00e1n trestem odn\u011bt\u00ed svobody a\u017e na p\u011bt let nebo pokutou do jednoho milionu jen\u016f.<\/p>\n<cite>Paragraf 234-2, odstavec 1 Japonsk\u00e9ho trestn\u00edho z\u00e1kona (Z\u00e1kon o po\u0161kozen\u00ed po\u010d\u00edta\u010de a naru\u0161en\u00ed provozu)<\/cite><\/blockquote>\n\n\n\n<p>Takto, pro spln\u011bn\u00ed z\u00e1kona o po\u0161kozen\u00ed po\u010d\u00edta\u010de a naru\u0161en\u00ed provozu jsou pot\u0159eba n\u00e1sleduj\u00edc\u00ed objektivn\u00ed po\u017eadavky:<\/p>\n\n\n\n<ol>\n<li>\u00datok na po\u010d\u00edta\u010d<\/li>\n\n\n\n<li>P\u0159ek\u00e1\u017een\u00ed operace po\u010d\u00edta\u010de<\/li>\n\n\n\n<li>Naru\u0161en\u00ed provozu<\/li>\n<\/ol>\n\n\n\n<p>A subjektivn\u00ed po\u017eadavek, \u017ee tyto \u010diny byly provedeny \u00famysln\u011b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Splneni_objektivnich_pozadavku\"><\/span> Spln\u011bn\u00ed objektivn\u00edch po\u017eadavk\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Pod\u00edvejme se na n\u00e1sleduj\u00edc\u00ed body podrobn\u011bji.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Utok_na_pocitac\"><\/span> \u00datok na po\u010d\u00edta\u010d<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u00datok (\u010din) mus\u00ed spl\u0148ovat jednu z n\u00e1sleduj\u00edc\u00edch podm\u00ednek:<\/p>\n\n\n\n<ul>\n<li> &#8220;Po\u0161kozen\u00ed po\u010d\u00edta\u010de nebo magnetick\u00e9ho z\u00e1znamu pou\u017e\u00edvan\u00e9ho pro jeho provoz&#8221;<\/li>\n\n\n\n<li> &#8220;Poskytnut\u00ed fale\u0161n\u00fdch informac\u00ed nebo neopr\u00e1vn\u011bn\u00fdch pokyn\u016f po\u010d\u00edta\u010di&#8221;<\/li>\n\n\n\n<li> &#8220;Nebo jin\u00fdm zp\u016fsobem&#8221;<\/li>\n<\/ul>\n\n\n\n<p>Co se t\u00fd\u010de &#8220;po\u010d\u00edta\u010de&#8221;, soudn\u00ed p\u0159\u00edpad (Fukuoka High Court, 21. z\u00e1\u0159\u00ed 2000) definoval po\u010d\u00edta\u010d jako elektronick\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 automaticky prov\u00e1d\u00ed v\u00fdpo\u010dty a zpracov\u00e1n\u00ed dat. Office po\u010d\u00edta\u010de, osobn\u00ed po\u010d\u00edta\u010de a \u0159\u00edd\u00edc\u00ed po\u010d\u00edta\u010de jsou typick\u00fdmi p\u0159\u00edklady. Magnetick\u00fd z\u00e1znam je definov\u00e1n v paragrafu 7-2 trestn\u00edho z\u00e1kona. Server, kter\u00fd je c\u00edlem DoS \u00fatoku, je samoz\u0159ejm\u011b pova\u017eov\u00e1n za jeden z t\u011bchto.<\/p>\n\n\n\n<p>&#8220;Po\u0161kozen\u00ed&#8221; zahrnuje nejen fyzick\u00e9 po\u0161kozen\u00ed, ale tak\u00e9 v\u0161echny \u010diny, kter\u00e9 po\u0161kod\u00ed u\u017eite\u010dnost v\u011bci, jako je smaz\u00e1n\u00ed dat. &#8220;Fale\u0161n\u00e9 informace&#8221; znamenaj\u00ed, \u017ee obsah je v rozporu s pravdou. &#8220;Neopr\u00e1vn\u011bn\u00e9 pokyny&#8221; znamenaj\u00ed poskytnut\u00ed pokyn\u016f, kter\u00e9 mohou b\u00fdt zpracov\u00e1ny dan\u00fdm po\u010d\u00edta\u010dem, bez opr\u00e1vn\u011bn\u00ed. Nap\u0159\u00edklad, pokud je proveden masivn\u00ed a soust\u0159ed\u011bn\u00fd DoS \u00fatok typu flood, c\u00edlov\u00fd server se p\u0159et\u00ed\u017e\u00ed a nebude schopen prov\u00e1d\u011bt spr\u00e1vn\u00e9 zpracov\u00e1n\u00ed. Takov\u00fd \u00fatok, i kdy\u017e nedos\u00e1hne &#8220;po\u0161kozen\u00ed&#8221; jako je smaz\u00e1n\u00ed dat, je p\u0159\u00edstup proti v\u016fli majitele serveru a poskytuje pokyny bez opr\u00e1vn\u011bn\u00ed, tak\u017ee je pova\u017eov\u00e1n za &#8220;neopr\u00e1vn\u011bn\u00e9 pokyny&#8221;.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Prekazeni_operace_pocitace\"><\/span>P\u0159ek\u00e1\u017een\u00ed operace po\u010d\u00edta\u010de<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Ot\u00e1zkou je, zda se jedn\u00e1 o &#8220;neprov\u00e1d\u011bn\u00ed operac\u00ed podle sv\u00e9ho \u00fa\u010delu&#8221; nebo &#8220;prov\u00e1d\u011bn\u00ed operac\u00ed v rozporu se sv\u00fdm \u00fa\u010delem&#8221;. Existuj\u00ed n\u00e1zory na to, kdo by m\u011bl b\u00fdt pova\u017eov\u00e1n za \u00fa\u010del pou\u017eit\u00ed, ale vzhledem k tomu, \u017ee z\u00e1kon chr\u00e1n\u00ed bezpe\u010dn\u00fd a hladk\u00fd provoz, by m\u011bl b\u00fdt pova\u017eov\u00e1n za \u00fa\u010del instalat\u00e9ra. Kdy\u017e je proveden DoS \u00fatok a server je p\u0159et\u00ed\u017een, slu\u017eba m\u016f\u017ee b\u00fdt nedostupn\u00e1 a server nem\u016f\u017ee prov\u00e1d\u011bt spr\u00e1vn\u00e9 operace, kter\u00e9 instalat\u00e9r zam\u00fd\u0161lel. V takov\u00e9m p\u0159\u00edpad\u011b se d\u00e1 \u0159\u00edci, \u017ee &#8220;neprov\u00e1d\u00ed operace podle sv\u00e9ho \u00fa\u010delu&#8221;, co\u017e je p\u0159ek\u00e1\u017een\u00ed operace.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Naruseni_provozu\"><\/span>Naru\u0161en\u00ed provozu<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>Z\u00e1kon o po\u0161kozen\u00ed po\u010d\u00edta\u010de a naru\u0161en\u00ed provozu je z\u00e1va\u017en\u011bj\u0161\u00ed formou trestn\u00e9ho \u010dinu naru\u0161en\u00ed provozu (paragrafy 233 a 234 trestn\u00edho z\u00e1kona), tak\u017ee toto naru\u0161en\u00ed provozu by m\u011blo b\u00fdt pova\u017eov\u00e1no za stejn\u00e9 jako obvykl\u00e9 naru\u0161en\u00ed provozu. Jin\u00fdmi slovy, &#8220;provoz&#8221; znamen\u00e1 \u00fakoly prov\u00e1d\u011bn\u00e9 opakovan\u011b a kontinu\u00e1ln\u011b na z\u00e1klad\u011b soci\u00e1ln\u00edho postaven\u00ed, a &#8220;naru\u0161en\u00ed&#8221; nevy\u017eaduje skute\u010dn\u00e9 po\u0161kozen\u00ed provozu.<br> Kdy\u017e je proveden DoS \u00fatok, &#8220;provoz&#8221; poskytov\u00e1n\u00ed slu\u017eeb na internetu prost\u0159ednictv\u00edm pou\u017eit\u00ed serveru instalat\u00e9rem je naru\u0161en, co\u017e je naru\u0161en\u00ed provozu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Splneni_subjektivnich_pozadavku_umysl\"><\/span>Spln\u011bn\u00ed subjektivn\u00edch po\u017eadavk\u016f (\u00famysl)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Po spln\u011bn\u00ed t\u011bchto po\u017eadavk\u016f je nutn\u00e9 uznat \u00famysl (paragraf 38, odstavec 1 trestn\u00edho z\u00e1kona). \u00damysl znamen\u00e1, \u017ee si uv\u011bdomujete a akceptujete skute\u010dnosti, kter\u00e9 odpov\u00eddaj\u00ed v\u00fd\u0161e uveden\u00fdm bod\u016fm \u2460 a\u017e \u2462 (tzv. konstitutivn\u00ed prvky). To nevy\u017eaduje zl\u00fd \u00famysl nebo z\u00e1m\u011br naru\u0161it, dokonce i kdy\u017e nem\u00e1te takov\u00fd \u00famysl, pokud m\u00e1te pov\u011bdom\u00ed, \u017ee &#8220;server m\u016f\u017ee spadnout a slu\u017eba m\u016f\u017ee b\u00fdt nedostupn\u00e1&#8221;, m\u016f\u017ee b\u00fdt uzn\u00e1n \u00famysl.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pripad_masivniho_pristupu_na_webove_stranky_Mestske_knihovny_Okazaki\"><\/span>P\u0159\u00edpad masivn\u00edho p\u0159\u00edstupu na webov\u00e9 str\u00e1nky M\u011bstsk\u00e9 knihovny Okazaki<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/monolith.law\/wp-content\/uploads\/2020\/04\/shutterstock_536062258-1024x576.jpg\" alt=\"\" class=\"wp-image-8625\" \/><\/figure>\n\n\n\n<p>V souvislosti s t\u00edmto bych v\u00e1m r\u00e1d p\u0159edstavil p\u0159\u00edpad masivn\u00edho p\u0159\u00edstupu na webov\u00e9 str\u00e1nky M\u011bstsk\u00e9 knihovny Okazaki (zn\u00e1m\u00fd tak\u00e9 jako p\u0159\u00edpad Librahack).<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\">\n<p>Mu\u017e (39) z prefektury Aichi byl zat\u010den, proto\u017ee se domn\u00edval, \u017ee provedl kybernetick\u00fd \u00fatok, kdy\u017e shroma\u017e\u010foval informace o nov\u00fdch knih\u00e1ch z webov\u00fdch str\u00e1nek knihovny pomoc\u00ed vlastn\u00edho programu. Nicm\u00e9n\u011b podle anal\u00fdzy odborn\u00edka, kter\u00e9ho po\u017e\u00e1dal Asahi Shimbun, bylo zji\u0161t\u011bno, \u017ee knihovn\u00ed software m\u011bl chybu a vypadalo to, jako by byl napaden masivn\u00edm p\u0159\u00edstupem. Zjistilo se tak\u00e9, \u017ee stejn\u00fd probl\u00e9m se vyskytl v \u0161esti knihovn\u00e1ch po cel\u00e9 zemi, kter\u00e9 pou\u017e\u00edvaj\u00ed stejn\u00fd software. Spole\u010dnost, kter\u00e1 software vyvinula, za\u010dala prov\u00e1d\u011bt opravy v p\u0159ibli\u017en\u011b t\u0159iceti knihovn\u00e1ch po cel\u00e9 zemi.<br> Tento probl\u00e9m se vyskytl v M\u011bstsk\u00e9 knihovn\u011b Okazaki v prefektu\u0159e Aichi. Software m\u011bl chybu, kter\u00e1 zp\u016fsobovala, \u017ee po ka\u017ed\u00e9m vyvol\u00e1n\u00ed dat knihovny se zpracov\u00e1n\u00ed dat pokra\u010dovalo, jako by byl telefon po hovoru st\u00e1le zdvi\u017een\u00fd. Po ur\u010dit\u00e9 dob\u011b bylo spojen\u00ed nucen\u011b p\u0159eru\u0161eno, ale v t\u00e9to knihovn\u011b, pokud po\u010det p\u0159\u00edstup\u016f p\u0159ekro\u010dil tis\u00edc za deset minut, nebylo mo\u017en\u00e9 prohl\u00ed\u017eet webov\u00e9 str\u00e1nky a vypadalo to, jako by byl napaden masivn\u00edm p\u0159\u00edstupem.<br> Mu\u017e byl softwarov\u00fd in\u017een\u00fdr a p\u016fj\u010doval si z M\u011bstsk\u00e9 knihovny Okazaki asi sto knih ro\u010dn\u011b. Webov\u00e9 str\u00e1nky knihovny byly nep\u0159ehledn\u00e9, tak\u017ee vytvo\u0159il program, kter\u00fd shroma\u017e\u010foval informace o nov\u00fdch knih\u00e1ch ka\u017ed\u00fd den, a za\u010dal ho pou\u017e\u00edvat od b\u0159ezna.<br> Od t\u00e9 doby knihovna obdr\u017eela st\u00ed\u017enosti od ob\u010dan\u016f, \u017ee &#8220;nemohou p\u0159istupovat na webov\u00e9 str\u00e1nky&#8221;. Na z\u00e1klad\u011b konzultace s polici\u00ed prefektury Aichi byl mu\u017e zat\u010den za podez\u0159en\u00ed z naru\u0161en\u00ed obchodn\u00ed \u010dinnosti, proto\u017ee se domn\u00edvali, \u017ee \u00famysln\u011b odes\u00edlal po\u017eadavky p\u0159esahuj\u00edc\u00ed zpracovatelskou kapacitu. Okazaki pobo\u010dka prokuratury v Nagoyi v \u010dervnu rozhodla o odkladu ob\u017ealoby, proto\u017ee &#8220;nebyl uzn\u00e1n siln\u00fd \u00famysl naru\u0161it obchodn\u00ed \u010dinnost&#8221;.<\/p>\n<cite>Asahi Shimbun Nagoya Morning Edition (21. srpna 2010)<\/cite><\/blockquote>\n\n\n\n<p>Mu\u017e, kter\u00fd byl v tomto p\u0159\u00edpad\u011b zat\u010den, byl u\u017eivatelem M\u011bstsk\u00e9 knihovny Okazaki a prov\u00e1d\u011bl to s c\u00edlem shroma\u017e\u010fovat informace o nov\u00fdch knih\u00e1ch na webov\u00fdch str\u00e1nk\u00e1ch knihovny, a nem\u011bl \u00famysl naru\u0161ovat \u010dinnost knihovny. Frekvence p\u0159\u00edstupu byla tak\u00e9 n\u00edzk\u00e1, asi jednou za sekundu, co\u017e by obvykle nebylo pova\u017eov\u00e1no za DoS \u00fatok, ale kv\u016fli chyb\u011b na serveru knihovny do\u0161lo k syst\u00e9mov\u00e9 poru\u0161e i p\u0159i t\u00e9to frekvenci.<\/p>\n\n\n\n<p>I kdy\u017e nebyl \u017e\u00e1dn\u00fd zl\u00fd \u00famysl, je uzn\u00e1no, \u017ee do\u0161lo k naru\u0161en\u00ed \u010dinnosti knihovny t\u00edm, \u017ee byl server knihovny sest\u0159elen prov\u00e1d\u011bn\u00edm akce, kter\u00e1 by mohla b\u00fdt pova\u017eov\u00e1na za DoS \u00fatok, tak\u017ee se pod\u00edv\u00e1me na objektivn\u00ed po\u017eadavky. A co se t\u00fd\u010de \u00famyslu, jak jsme ji\u017e uvedli, i kdy\u017e nebyl \u017e\u00e1dn\u00fd zl\u00fd \u00famysl, m\u016f\u017ee b\u00fdt uzn\u00e1n \u00famysl. Prefektura Aichi se domn\u00edvala, \u017ee tento mu\u017e, kter\u00fd je odborn\u00edkem na po\u010d\u00edta\u010de, byl schopen si uv\u011bdomit, \u017ee pokud po\u0161le velk\u00e9 mno\u017estv\u00ed po\u017eadavk\u016f, m\u016f\u017ee to m\u00edt vliv na server knihovny, a p\u0159esto poslal velk\u00e9 mno\u017estv\u00ed po\u017eadavk\u016f, tak\u017ee byl \u00famysl a zlo\u010din mohl b\u00fdt dokon\u00e1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Problemy_a_kritika_pripadu\"><\/span>Probl\u00e9my a kritika p\u0159\u00edpadu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Metoda, kterou mu\u017e pou\u017e\u00edval k mechanick\u00e9mu z\u00edsk\u00e1v\u00e1n\u00ed dat z ve\u0159ejn\u00fdch webov\u00fdch str\u00e1nek, je \u0161iroce a obecn\u011b pou\u017e\u00edv\u00e1na a programov\u00e1n\u00ed samo o sob\u011b nen\u00ed neleg\u00e1ln\u00ed. Tento mu\u017e vysv\u011btlil pr\u016fb\u011bh a \u00famysl p\u0159\u00edpadu na sv\u00fdch webov\u00fdch str\u00e1nk\u00e1ch, ale z jeho obsahu nebylo nic, co by mohlo b\u00fdt odsouzeno jako &#8220;zlo\u010din&#8221; nebo co by si zaslou\u017eilo mor\u00e1ln\u00ed odsouzen\u00ed, co\u017e ot\u0159\u00e1slo mnoha techniky, kte\u0159\u00ed pou\u017e\u00edvaj\u00ed tuto technologii, a vyvolalo mnoho kritiky a obav.<\/p>\n\n\n\n<p>Nap\u0159\u00edklad, v prvn\u00ed \u0159ad\u011b, na ve\u0159ejn\u00fdch webov\u00fdch str\u00e1nk\u00e1ch ve\u0159ejn\u00e9 knihovny, kter\u00e9 pou\u017e\u00edv\u00e1 nespecifikovan\u00fd po\u010det lid\u00ed, pokud server m\u00e1 chybu, kter\u00e1 ho sest\u0159el\u00ed p\u0159i jednom p\u0159\u00edstupu za sekundu, je to p\u0159\u00edli\u0161 slab\u00e9 a k\u0159ehk\u00e9, a pokud by m\u011bl server, kter\u00fd by m\u011bl b\u00fdt norm\u00e1ln\u011b siln\u00fd, mu\u017e by nem\u011bl b\u00fdt zat\u010den, co\u017e je bod, kter\u00fd byl zd\u016frazn\u011bn.<br> Dal\u0161\u00edm bodem je, \u017ee mu\u017e nem\u011bl \u017e\u00e1dn\u00fd &#8220;zl\u00fd \u00famysl&#8221; nebo &#8220;\u0161ikanov\u00e1n\u00ed&#8221;, jako je \u00fatok nebo naru\u0161en\u00ed obchodn\u00ed \u010dinnosti, a neodes\u00edlal velk\u00e9 mno\u017estv\u00ed dat, kter\u00e9 by se li\u0161ily od b\u011b\u017en\u00e9ho pou\u017eit\u00ed, co\u017e je z\u0159ejm\u011b trestn\u00fd prvek, a p\u0159esto byl zlo\u010din dokon\u00e1n podle takov\u00e9ho ustanoven\u00ed, co\u017e je legislativn\u00ed probl\u00e9m. Dal\u0161\u00edm bodem je rozd\u00edl mezi uplat\u0148ov\u00e1n\u00edm pr\u00e1va a skute\u010dn\u00fdm pou\u017e\u00edv\u00e1n\u00edm internetu. Nap\u0159\u00edklad stejn\u00fd po\u010det 10 000 p\u0159\u00edstup\u016f m\u016f\u017ee b\u00fdt vn\u00edm\u00e1n jinak technicky zdatn\u00fdmi lidmi, v\u010detn\u011b policie a prokuratury, a obecn\u00fdmi lidmi, kte\u0159\u00ed nejsou tak zdatn\u00ed v technologi\u00edch informa\u010dn\u00edho zpracov\u00e1n\u00ed, a je probl\u00e9mem, pokud je toto rozd\u00edln\u00e9 vn\u00edm\u00e1n\u00ed uplat\u0148ov\u00e1no bez korekce. Krom\u011b toho bylo zd\u016frazn\u011bno, \u017ee existuje obava a \u00fazkost, \u017ee by mohlo doj\u00edt k omezen\u00ed svobodn\u00e9ho vyu\u017eit\u00ed a rozvoje internetu a pr\u016fmyslu, pokud by kdokoli mohl b\u00fdt zat\u010den jako tento mu\u017e.<\/p>\n\n\n\n<p>Mu\u017e byl nakonec odsunut k ob\u017ealob\u011b, proto\u017ee &#8220;nebyl uzn\u00e1n siln\u00fd \u00famysl naru\u0161it obchodn\u00ed \u010dinnost&#8221;, ale byl vysl\u00fdch\u00e1n po dobu dvaceti dn\u016f b\u011bhem zat\u010den\u00ed a vazby a byl fyzicky omezen. Krom\u011b toho bylo jeho skute\u010dn\u00e9 jm\u00e9no zve\u0159ejn\u011bno v dob\u011b zat\u010den\u00ed. Nav\u00edc odklad ob\u017ealoby je odli\u0161n\u00fd od &#8220;nedostate\u010dn\u00e9ho podez\u0159en\u00ed&#8221; v p\u0159\u00edpad\u011b neob\u017ealov\u00e1n\u00ed a je to typ, kter\u00fd \u0159\u00edk\u00e1, \u017ee &#8220;zlo\u010din byl sp\u00e1ch\u00e1n, ale z\u00e1va\u017enost je n\u00edzk\u00e1, nebo je hluboce litoval&#8221;, co\u017e znamen\u00e1, \u017ee byl pova\u017eov\u00e1n za to, \u017ee sp\u00e1chal zlo\u010din. I kdy\u017e nebyl ob\u017ealov\u00e1n, je probl\u00e9m, \u017ee utrp\u011bl silnou soci\u00e1ln\u00ed nev\u00fdhodu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Shrnuti\"><\/span>Shrnut\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Jak jsme vid\u011bli, DoS \u00fatoky mohou b\u00fdt posti\u017eeny trestem za po\u0161kozen\u00ed elektronick\u00fdch po\u010d\u00edta\u010d\u016f a naru\u0161en\u00ed obchodn\u00ed \u010dinnosti. Nicm\u00e9n\u011b, aplikace tohoto z\u00e1kona m\u00e1 n\u011bkolik probl\u00e9m\u016f a existuje riziko, \u017ee se trestn\u00fd \u010din m\u016f\u017ee uskute\u010dnit i v p\u0159\u00edpadech, kter\u00e9 jsou t\u011b\u017eko ozna\u010diteln\u00e9 jako z\u00e1va\u017en\u00e9, jako jsou p\u0159\u00edpady, kter\u00e9 jsme p\u0159edstavili. Od doby sv\u00e9ho zaveden\u00ed se situace zm\u011bnila a nyn\u00ed mnoho lid\u00ed vlastn\u00ed internetov\u00e9 termin\u00e1ly, jako jsou smartphony a po\u010d\u00edta\u010de, a internetov\u00e1 spole\u010dnost se rychle rozv\u00edj\u00ed. Abychom p\u0159ekonali tyto probl\u00e9my a chr\u00e1nili svobodu na internetu, je t\u0159eba p\u0159ehodnotit uplat\u0148ov\u00e1n\u00ed z\u00e1kona a zv\u00e1\u017eit nov\u00e9 legislativn\u00ed opat\u0159en\u00ed.<\/p>\n\n\n\n<p>Pokud je server va\u0161\u00ed spole\u010dnosti po\u0161kozen kybernetick\u00fdm \u00fatokem, jako je DoS \u00fatok, budete muset po\u017e\u00e1dat policii o vy\u0161et\u0159en\u00ed. Nicm\u00e9n\u011b, mnoho p\u0159\u00edpad\u016f je technicky velmi slo\u017eit\u00fdch a, jak ukazuje p\u0159\u00edpad knihovny, pokud nem\u00e1te znalosti a know-how v oblasti IT a pr\u00e1va, nemus\u00edte b\u00fdt schopni \u0159\u00e1dn\u011b reagovat.<\/p>\n\n\n\n<p>Jako ob\u010dansk\u00e9 \u0159e\u0161en\u00ed, pokud m\u016f\u017eete identifikovat pachatele, je mo\u017en\u00e9 po\u017e\u00e1dat o n\u00e1hradu \u0161kody od dan\u00e9ho pachatele, tak\u017ee jednou z mo\u017enost\u00ed je konzultovat se s pr\u00e1vn\u00edkem, kter\u00fd je odborn\u00edkem na internet a podnik\u00e1n\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trestn\u00fd \u010din naru\u0161en\u00ed provozu elektronick\u00fdch po\u010d\u00edta\u010d\u016f byl nov\u011b zaveden v roce \u0160\u00f3wa 62 (1987). V t\u00e9 dob\u011b, s rychl\u00fdm r\u016fstem ekonomiky a rozvojem technologi\u00ed, se po\u010d\u00edta\u010de za\u010daly hojn\u011b vyu\u017e\u00edvat v kancel\u00e1\u0159\u00ed [&hellip;]<\/p>\n","protected":false},"author":32,"featured_media":63437,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[35,19],"acf":[],"_links":{"self":[{"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/posts\/61109"}],"collection":[{"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/comments?post=61109"}],"version-history":[{"count":2,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/posts\/61109\/revisions"}],"predecessor-version":[{"id":63438,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/posts\/61109\/revisions\/63438"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/media\/63437"}],"wp:attachment":[{"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/media?parent=61109"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/categories?post=61109"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/tags?post=61109"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}