<script type="application/ld+json">{"@context":"http:\/\/schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https:\/\/www.s-net.pl\/blog\/","name":"Strona g\u0142\u00f3wna"}},{"@type":"ListItem","position":2,"item":{"@id":"https:\/\/www.s-net.pl\/blog\/ransomware-czym-sie-zabezpieczyc\/","name":"Ransomware: czym jest i&nbsp;jak si\u0119 zabezpieczy\u0107?"}}]}</script> {"id":2917,"date":"2018-04-04T09:00:14","date_gmt":"2018-04-04T07:00:14","guid":{"rendered":"https:\/\/www.s-net.pl\/blog\/?p=2917"},"modified":"2021-07-09T14:40:29","modified_gmt":"2021-07-09T12:40:29","slug":"ransomware-czym-sie-zabezpieczyc","status":"publish","type":"post","link":"https:\/\/www.s-net.pl\/blog\/ransomware-czym-sie-zabezpieczyc\/","title":{"rendered":"Ransomware: czym jest i jak si\u0119 zabezpieczy\u0107?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_17 ez-toc-wrap-left counter-hierarchy counter-numeric\">\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:\/\/www.s-net.pl\/blog\/ransomware-czym-sie-zabezpieczyc\/#Jak_wyglada_atak_ransomware\" title=\"Jak wygl\u0105da atak ransomware?\">Jak wygl\u0105da atak ransomware?<\/a><\/li><li class=\"ez-toc-page-1 ez-toc-heading-level-2\"><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.s-net.pl\/blog\/ransomware-czym-sie-zabezpieczyc\/#Sposoby_ochrony_przed_ransomware\" title=\"Sposoby ochrony przed ransomware\">Sposoby ochrony przed ransomware<\/a><\/li><\/ul><\/nav><\/div>\n<p><em>Ransomware to szczeg\u00f3lnie niebezpieczny atak cyberprzest\u0119pc\u00f3w, kt\u00f3rzy pr\u00f3buj\u0105 wy\u0142udzi\u0107 okup od ofiary. Internet Security Thread Report podaje, \u017ce w 2017 roku \u015brednia warto\u015b\u0107 okupu za odszyfrowanie plik\u00f3w wynios\u0142a 1077$, czyli prawie trzykrotnie wi\u0119cej ni\u017c w 2016 roku.<\/em><!--more--><\/p>\n<p>Ransomware atakuje komputery i urz\u0105dzenia mobilne prywatnych u\u017cytkownik\u00f3w oraz urz\u0105dzenia firmowe. <a href=\"https:\/\/www.s-net.pl\/blog\/cyberbezpieczenstwo-zapewnic-ochrone-firmowych-danych\/\">Cyberprzest\u0119pcy<\/a> cz\u0119sto nakazuj\u0105 ofierze zap\u0142at\u0119 okupu za pomoc\u0105 kryptowaluty Bitcoin. Do ataku dochodzi najcz\u0119\u015bciej poprzez maile i serwisy spo\u0142eczno\u015bciowe. Zgodnie z danymi firmy Proofpoint, w 2017 roku ransomware stanowi\u0142 a\u017c 63% ca\u0142ego spamu w skrzynkach mailowych.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Jak_wyglada_atak_ransomware\"><\/span>Jak wygl\u0105da atak ransomware?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>U\u017cytkownik klika w wiadomo\u015b\u0107, kt\u00f3ra zazwyczaj wygl\u0105da zupe\u0142nie zwyczajnie. Atak kryje si\u0119 w mailu z faktur\u0105, informacj\u0105 o dostawie zam\u00f3wienia, formularzu czy te\u017c za\u0142\u0105czonym CV.<\/p>\n<p>Istniej\u0105 3 rodzaje atak\u00f3w ransomware:<\/p>\n<ul>\n<li>&#8222;screen-locker&#8221; &#8211; najmniej problematyczny. Blokuje ekran i tym samym uniemo\u017cliwia u\u017cytkownikowi dost\u0119p do urz\u0105dzenia. Mo\u017cna jednak pozby\u0107 si\u0119 go bez p\u0142acenia okupu, maj\u0105c odpowiedni\u0105 techniczn\u0105 wiedz\u0119;<\/li>\n<li>&#8222;crypto-ransomware&#8221; &#8211; szyfruje pliki ofiary i pliki komputerowe. Trudno odzyska\u0107 dane bez okupu;<\/li>\n<li>&#8222;disk-encryptor&#8221; &#8211; np. Petya. Zaszyfrowuje ca\u0142y dysk ofiary, uniemo\u017cliwiaj\u0105c ofierze uruchomienie systemu operacyjnego.<\/li>\n<\/ul>\n<img loading=\"lazy\" class=\"aligncenter wp-image-2918 size-full\" src=\"https:\/\/www.s-net.pl\/blog\/wp-content\/uploads\/2018\/04\/DO-RANSO.jpg\" alt=\"Blad\" width=\"770\" height=\"449\" srcset=\"https:\/\/www.s-net.pl\/blog\/wp-content\/uploads\/2018\/04\/DO-RANSO.jpg 770w, https:\/\/www.s-net.pl\/blog\/wp-content\/uploads\/2018\/04\/DO-RANSO-300x175.jpg 300w, https:\/\/www.s-net.pl\/blog\/wp-content\/uploads\/2018\/04\/DO-RANSO-768x448.jpg 768w, https:\/\/www.s-net.pl\/blog\/wp-content\/uploads\/2018\/04\/DO-RANSO-530x309.jpg 530w\" sizes=\"(max-width: 770px) 100vw, 770px\" \/>\n<p style=\"text-align: center;\"><em>\u0179r\u00f3d\u0142o: https:\/\/www.pcworld.pl\/news\/Co-to-jest-ransomware-Jak-chronic-PC-przed-Petya,408351.html<\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Sposoby_ochrony_przed_ransomware\"><\/span>Sposoby ochrony przed ransomware<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<blockquote><p>Coraz cz\u0119stszym <a href=\"https:\/\/www.s-net.pl\/blog\/prosty-sposob-zabezpieczyc-strone-wordpressie-zhackowaniem\/\">celem ataku s\u0105 serwery<\/a>, dlatego wa\u017cne, aby stosowa\u0107 system monitorowania ruchu sieciowego. Najlepiej monitorowa\u0107 ca\u0142\u0105 infrastruktur\u0119 sieciow\u0105 przez 24 godziny na dob\u0119 &#8211; m\u00f3wi Dawid Orze\u0142, Dyrektor Pionu Technicznego w S-NET.<\/p><\/blockquote>\n<p><strong>Co jeszcze warto zrobi\u0107?<\/strong><\/p>\n<ul>\n<li>wykonywa\u0107 <a href=\"https:\/\/www.s-net.pl\/blog\/utrata-danych-je-odzyskac-uchronic-sie-nieuczciwa-firma-it\/\">kopie zapasowe<\/a>. Nie jest to zaskoczenie, ale warto te\u017c pami\u0119ta\u0107 o backup offline. Prawdopodobnie trzeba b\u0119dzie zrobi\u0107 to r\u0119cznie, ale to konieczno\u015b\u0107, poniewa\u017c pliki online mog\u0142y zosta\u0107 ju\u017c zainfekowane przez cyberprzest\u0119pc\u00f3w;<\/li>\n<li>w\u0142\u0105czy\u0107 kontrol\u0119 konta u\u017cytkownika na Windowsie (UAC), dzi\u0119ki czemu u\u017cytkownik jest informowany na bie\u017c\u0105co o zmianach w systemie, kt\u00f3re wymagaj\u0105 jego zgody jako &#8222;admina&#8221;;<\/li>\n<li>blokowa\u0107 wyskakuj\u0105ce okienka;<\/li>\n<li>zachowa\u0107 czujno\u015b\u0107 i nie wchodzi\u0107 w podejrzane maile;<\/li>\n<li>zainstalowa\u0107 SCAP (Security Content Automation Protocol), kt\u00f3ry pomo\u017ce wychwytywa\u0107 rozprzestrzeniaj\u0105ce si\u0119 zagro\u017cenia po klikni\u0119ciu w niechciane maile;<\/li>\n<li>w podr\u00f3\u017cy logowa\u0107 si\u0119 do sieci za pomoc\u0105 firmowej VPN (Virtual Private Network).<\/li>\n<\/ul>\n<img loading=\"lazy\" class=\"aligncenter wp-image-2919\" src=\"https:\/\/www.s-net.pl\/blog\/wp-content\/uploads\/2018\/04\/lewis-ngugi-186309-unsplash-800x578.jpg\" alt=\"Kod\" width=\"581\" height=\"420\" srcset=\"https:\/\/www.s-net.pl\/blog\/wp-content\/uploads\/2018\/04\/lewis-ngugi-186309-unsplash-800x578.jpg 800w, https:\/\/www.s-net.pl\/blog\/wp-content\/uploads\/2018\/04\/lewis-ngugi-186309-unsplash-300x217.jpg 300w, https:\/\/www.s-net.pl\/blog\/wp-content\/uploads\/2018\/04\/lewis-ngugi-186309-unsplash-768x554.jpg 768w, https:\/\/www.s-net.pl\/blog\/wp-content\/uploads\/2018\/04\/lewis-ngugi-186309-unsplash-1185x855.jpg 1185w, https:\/\/www.s-net.pl\/blog\/wp-content\/uploads\/2018\/04\/lewis-ngugi-186309-unsplash-428x309.jpg 428w\" sizes=\"(max-width: 581px) 100vw, 581px\" \/>\n","protected":false},"excerpt":{"rendered":"<p>Jak wygl\u0105da atak ransomware?Sposoby ochrony przed ransomware Ransomware to szczeg\u00f3lnie niebezpieczny atak cyberprzest\u0119pc\u00f3w, kt\u00f3rzy pr\u00f3buj\u0105 wy\u0142udzi\u0107 okup od ofiary. Internet Security Thread Report podaje, \u017ce<a class=\"more-link\" href=\"https:\/\/www.s-net.pl\/blog\/ransomware-czym-sie-zabezpieczyc\/\"> <img src=\"https:\/\/www.s-net.pl\/blog\/wp-content\/uploads\/2016\/09\/more-link.png\" alt=\"wiecej\"><\/a><\/p>\n","protected":false},"author":1,"featured_media":2920,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"aside","meta":[],"categories":[3],"tags":[309,150,308,83],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ransomware: czym jest i jak si\u0119 zabezpieczy\u0107? - S-NET blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.s-net.pl\/blog\/ransomware-czym-sie-zabezpieczyc\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ransomware: czym jest i jak si\u0119 zabezpieczy\u0107? - S-NET blog\" \/>\n<meta property=\"og:description\" content=\"Jak wygl\u0105da atak ransomware?Sposoby ochrony przed ransomware Ransomware to szczeg\u00f3lnie niebezpieczny atak cyberprzest\u0119pc\u00f3w, kt\u00f3rzy pr\u00f3buj\u0105 wy\u0142udzi\u0107 okup od ofiary. 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