{"id":20151,"date":"2025-10-30T15:44:22","date_gmt":"2025-10-30T18:44:22","guid":{"rendered":"https:\/\/oficialnoticias.com\/?p=20151"},"modified":"2025-10-30T15:44:24","modified_gmt":"2025-10-30T18:44:24","slug":"a-fabrica-vulneravel-por-que-auditar-a-rede-industrial-e-vital-para-a-seguranca","status":"publish","type":"post","link":"https:\/\/oficialnoticias.com\/?p=20151","title":{"rendered":"A f\u00e1brica vulner\u00e1vel: por que auditar a rede industrial \u00e9 vital para a seguran\u00e7a"},"content":{"rendered":"<p><\/p>\n<div>\n<p>A seguran\u00e7a da f\u00e1brica, como a conhec\u00edamos, mudou. Durante d\u00e9cadas, os Sistemas de Controle Industrial (ICS, respons\u00e1veis por monitorar desde usinas de energia a refinarias) operaram isolados, utilizando hardwares e protocolos pr\u00f3prios, sem conex\u00e3o com a internet.<\/p>\n<p>Com a <bsp-link-enhancement><br \/>\n    <span class=\"LinkEnhancement\"><a class=\"Link\" href=\"https:\/\/www.itatiaia.com.br\/negocios\/industria\/sensores-inteligentes-e-protocolos-sao-os-pilares-da-industria-4-0-entenda\" title=\"evolu\u00e7\u00e3o digital\" data-cms-ai=\"0\">evolu\u00e7\u00e3o digital<\/a><\/span><\/bsp-link-enhancement>, a ind\u00fastria passou a integrar solu\u00e7\u00f5es de Tecnologia da Informa\u00e7\u00e3o (TI) para conectar as opera\u00e7\u00f5es das f\u00e1bricas \u00e0 rede corporativa (do escrit\u00f3rio). Essa busca por efici\u00eancia, no entanto, abriu uma porta para<bsp-link-enhancement><br \/>\n    <span class=\"LinkEnhancement\"><a class=\"Link\" href=\"https:\/\/www.itatiaia.com.br\/negocios\/industria\/muito-alem-do-roubo-de-dados-o-perigo-real-dos-hackers-para-a-industria\" title=\" riscos de ciberseguran\u00e7a\" data-cms-ai=\"0\"> riscos de ciberseguran\u00e7a<\/a><\/span><\/bsp-link-enhancement> antes inexistentes nesses ambientes.<\/p>\n<h2>O risco da \u2018f\u00e1brica conectada&#8217;: TI vs. OT<\/h2>\n<p>O grande perigo reside em tratar a rede da f\u00e1brica, chamada de Tecnologia Operacional (OT), como se fosse a rede do escrit\u00f3rio (TI). O Guia de Seguran\u00e7a de Sistemas de Controle Industrial (ICS) ou \u201cGuide to Industrial Control Systems (ICS) Security\u201d publicado pelo Instituto Nacional de Padr\u00f5es e Tecnologia (NIST) dos Estados Unidos, insitui\u00e7\u00e3o de refer\u00eancia global no assunto, explica que as prioridades s\u00e3o opostas.<\/p>\n<p>Na TI (escrit\u00f3rio), a prioridade \u00e9 a confidencialidade dos dados. Em um ICS (Sistema de controle industrial), o foco absoluto \u00e9 <b>a sa\u00fade e seguran\u00e7a da vida humana<\/b> e a disponibilidade da produ\u00e7\u00e3o. Uma parada inesperada para atualiza\u00e7\u00e3o, ou um simples \u201creboot\u201d, \u00e9 inaceit\u00e1vel.<\/p>\n<p>Esses sistemas industriais tamb\u00e9m possuem ciclos de vida longos, de 10 a 15 anos ou mais, diferentemente dos computadores de escrit\u00f3rio que s\u00e3o substitu\u00eddos a cada 3 ou 5 anos. Na pr\u00e1tica, m\u00e1quinas antigas est\u00e3o sendo conectadas a redes modernas, muitas vezes sem a devida prote\u00e7\u00e3o.<\/p>\n<p>Os riscos envolvidos em um ataque a essas redes passam por:<\/p>\n<ul>\n<li>Danos \u00e0 sa\u00fade e seguran\u00e7a da vida humana ou ao meio ambiente.<\/li>\n<li>Mudan\u00e7as n\u00e3o autorizadas em comandos ou alarmes, podendo danificar ou desligar equipamentos.<\/li>\n<li>Envio de informa\u00e7\u00f5es falsas aos operadores, fazendo com que tomem a\u00e7\u00f5es erradas.<\/li>\n<li>Infec\u00e7\u00e3o por malware, como o que ocorreu na usina nuclear Davis-Besse, que em 2003 teve seu sistema de monitoramento de seguran\u00e7a desativado por 5 horas.<\/li>\n<\/ul>\n<h2>O cen\u00e1rio brasileiro: regula\u00e7\u00e3o avan\u00e7a, mas PMEs preocupam<\/h2>\n<p>O Brasil se movimenta para proteger suas infraestruturas. Em setembro de 2022, o governo federal aprovou o Plano Nacional de Seguran\u00e7a de Infraestruturas Cr\u00edticas (PlanSIC), coordenado pelo Gabinete de Seguran\u00e7a Institucional (GSI).<\/p>\n<p>Contudo, um relat\u00f3rio de 2023 do Centro Global de Capacidade de Seguran\u00e7a Cibern\u00e9tica (GCSCC) sobre o Brasil nota que muitos elementos do PlanSIC ainda n\u00e3o foram totalmente implementados. A regula\u00e7\u00e3o da ciberseguran\u00e7a ainda n\u00e3o cobre todos os setores de infraestrutura cr\u00edtica.<\/p>\n<p>Setores mais maduros, como o financeiro, regulado pelo Banco Central (BACEN), e o de telecomunica\u00e7\u00f5es, pela Ag\u00eancia Nacional de Telecomunica\u00e7\u00f5es (Anatel), s\u00e3o os que possuem regras mais claras.<\/p>\n<p>A maior preocupa\u00e7\u00e3o apontada no \u201cRelat\u00f3rio de Maturidade 2023&#8243; s\u00e3o as pequenas e m\u00e9dias empresas (PME). Muitas PMEs utilizam servi\u00e7os em nuvem, mas carecem de conhecimento para configur\u00e1-los de forma segura, gerando vulnerabilidades.<\/p>\n<p><bsp-list-loadmore class=\"PageListStandardG\" data-module=\"\" data-show-loadmore=\"true\" data-list-title-size=\"3\" data-list-description-size=\"3\"><\/p>\n<p>    <a class=\"AnchorLink\" title=\"leia-tambem\" name=\"leia-tambem\" data-cms-ai=\"0\"\/><\/p>\n<p><\/bsp-list-loadmore><\/p>\n<h2>O que fazer: auditoria e \u2018defesa em profundidade\u2019<\/h2>\n<p>A solu\u00e7\u00e3o come\u00e7a com uma \u201cAvalia\u00e7\u00e3o de Risco\u201d (ou auditoria). Essa an\u00e1lise deve, obrigatoriamente, levar em conta os riscos \u00e0 seguran\u00e7a f\u00edsica e operacional, n\u00e3o apenas aos dados.<\/p>\n<p>A estrat\u00e9gia mais recomendada pelo NIST \u00e9 a \u201cdefesa em profundidade\u201d. A t\u00e9cnica arquitet\u00f4nica mais eficaz para proteger um ICS \u00e9 a <bsp-link-enhancement><br \/>\n    <span class=\"LinkEnhancement\"><a class=\"Link\" href=\"https:\/\/www.itatiaia.com.br\/economia\/negocios\/industria\/seguranca-e-usabilidade-desafios-das-aplicacoes-web-na-industria\" title=\"segmenta\u00e7\u00e3o de rede\" data-cms-ai=\"0\">segmenta\u00e7\u00e3o de rede<\/a><\/span><\/bsp-link-enhancement>. Isso significa criar uma separa\u00e7\u00e3o rigorosa entre a rede da f\u00e1brica (OT) e a rede do escrit\u00f3rio (TI).<\/p>\n<p>Essa separa\u00e7\u00e3o \u00e9 feita com firewalls e, idealmente, com uma \u201czona desmilitarizada\u201d (DMZ). A DMZ funciona como uma \u201csala de espera\u201d segura: dados da produ\u00e7\u00e3o que o escrit\u00f3rio precisa consultar (como relat\u00f3rios de um servidor \u201cData Historian\u201d) s\u00e3o colocados ali.<\/p>\n<p>Dessa forma, o tr\u00e1fego da rede corporativa nunca entra diretamente na rede de controle. Isso impede que um v\u00edrus no e-mail de um funcion\u00e1rio do escrit\u00f3rio consiga \u201cpular\u201d para as m\u00e1quinas e interromper a produ\u00e7\u00e3o.<\/p>\n<p>O SENAI prepara t\u00e9cnicos para auditar sistemas industriais de automa\u00e7\u00e3o. <bsp-link-enhancement><br \/>\n    <span class=\"LinkEnhancement\"><a class=\"Link\" href=\"https:\/\/wa.me\/5531993922407?text=Ol%C3%A1%2C%20vi%20a%20mat%C3%A9ria%20da%20Itatiaia%20e%20gostaria%20de%20mais%20informa%C3%A7%C3%B5es.%20\" target=\"_blank\" title=\"Clique aqui e saiba como.\" rel=\"noopener\" data-cms-ai=\"0\">Clique aqui e saiba como.<\/a><\/span><\/bsp-link-enhancement><\/p>\n<\/p><\/div>\n<p><script>\n  window.fbAsyncInit = function() {\n      FB.init({\n              appId : '1447052969554341',\n          xfbml : true,\n          version : 'v2.9'\n      });\n  };\n  (function(d, s, id){\n     var js, fjs = d.getElementsByTagName(s)[0];\n     if (d.getElementById(id)) {return;}\n     js = d.createElement(s); js.id = id;\n     js.src = \"https:\/\/connect.facebook.net\/en_US\/sdk.js\";\n     fjs.parentNode.insertBefore(js, fjs);\n   }(document, 'script', 'facebook-jssdk'));\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A seguran\u00e7a da f\u00e1brica, como a conhec\u00edamos, mudou. Durante d\u00e9cadas, os Sistemas de Controle Industrial (ICS, respons\u00e1veis por monitorar desde usinas de energia a refinarias) operaram isolados, utilizando hardwares e protocolos pr\u00f3prios, sem conex\u00e3o com a internet. Com a evolu\u00e7\u00e3o digital, a ind\u00fastria passou a integrar solu\u00e7\u00f5es de Tecnologia da Informa\u00e7\u00e3o (TI) para conectar as&#8230;<\/p>\n","protected":false},"author":2,"featured_media":20152,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[],"class_list":["post-20151","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A f\u00e1brica vulner\u00e1vel: por que auditar a rede industrial \u00e9 vital para a seguran\u00e7a -<\/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:\/\/oficialnoticias.com\/?p=20151\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A f\u00e1brica vulner\u00e1vel: por que auditar a rede industrial \u00e9 vital para a seguran\u00e7a -\" \/>\n<meta property=\"og:description\" content=\"A seguran\u00e7a da f\u00e1brica, como a conhec\u00edamos, mudou. 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