{"id":64622,"date":"2016-01-28T18:46:59","date_gmt":"2016-01-28T17:46:59","guid":{"rendered":"https:\/\/blog.mailfence.com\/combater-ameacas-persistentes-avancadas\/"},"modified":"2025-09-16T16:11:19","modified_gmt":"2025-09-16T14:11:19","slug":"combater-ameacas-persistentes-avancadas","status":"publish","type":"post","link":"https:\/\/blog.mailfence.com\/pt\/combater-ameacas-persistentes-avancadas\/","title":{"rendered":"Como combater amea\u00e7as persistentes avan\u00e7adas"},"content":{"rendered":"\n<p>O uso recorrente do termo &#8220;<a href=\"https:\/\/fr.wikipedia.org\/wiki\/Advanced_Persistent_Threat\">Advanced Persistent Threat<\/a>&#8221; (APT) na m\u00eddia, no mundo do marketing e na ind\u00fastria continua a nos surpreender. Muitas organiza\u00e7\u00f5es se distraem com o alarde p\u00fablico em torno dessa frase, em vez de se concentrarem nos princ\u00edpios b\u00e1sicos de seguran\u00e7a. \u00c9 uma quest\u00e3o de como o termo persistente persistente se refere e como a maioria das associa\u00e7\u00f5es deve se defender contra essa amea\u00e7a.<\/p>\n\n\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"100849\" class=\"elementor elementor-100849 elementor-100761\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-124e1725 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"124e1725\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-654e4e21\" data-id=\"654e4e21\" data-element_type=\"column\" data-e-type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3a3b1a23 elementor-widget elementor-widget-text-editor\" data-id=\"3a3b1a23\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>Mailfence &#8211; Sua su\u00edte de produtividade segura<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c004279 elementor-widget elementor-widget-text-editor\" data-id=\"2c004279\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Recupere sua privacidade com<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83e0dd6 elementor-icon-list--layout-inline elementor-align-center elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"83e0dd6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-envelope-open-text\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M176 216h160c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16H176c-8.84 0-16 7.16-16 16v16c0 8.84 7.16 16 16 16zm-16 80c0 8.84 7.16 16 16 16h160c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16H176c-8.84 0-16 7.16-16 16v16zm96 121.13c-16.42 0-32.84-5.06-46.86-15.19L0 250.86V464c0 26.51 21.49 48 48 48h416c26.51 0 48-21.49 48-48V250.86L302.86 401.94c-14.02 10.12-30.44 15.19-46.86 15.19zm237.61-254.18c-8.85-6.94-17.24-13.47-29.61-22.81V96c0-26.51-21.49-48-48-48h-77.55c-3.04-2.2-5.87-4.26-9.04-6.56C312.6 29.17 279.2-.35 256 0c-23.2-.35-56.59 29.17-73.41 41.44-3.17 2.3-6 4.36-9.04 6.56H96c-26.51 0-48 21.49-48 48v44.14c-12.37 9.33-20.76 15.87-29.61 22.81A47.995 47.995 0 0 0 0 200.72v10.65l96 69.35V96h320v184.72l96-69.35v-10.65c0-14.74-6.78-28.67-18.39-37.77z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Mensagens<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-calendar-alt\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M148 288h-40c-6.6 0-12-5.4-12-12v-40c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v40c0 6.6-5.4 12-12 12zm108-12v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm96 0v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm-96 96v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm-96 0v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm192 0v-40c0-6.6-5.4-12-12-12h-40c-6.6 0-12 5.4-12 12v40c0 6.6 5.4 12 12 12h40c6.6 0 12-5.4 12-12zm96-260v352c0 26.5-21.5 48-48 48H48c-26.5 0-48-21.5-48-48V112c0-26.5 21.5-48 48-48h48V12c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v52h128V12c0-6.6 5.4-12 12-12h40c6.6 0 12 5.4 12 12v52h48c26.5 0 48 21.5 48 48zm-48 346V160H48v298c0 3.3 2.7 6 6 6h340c3.3 0 6-2.7 6-6z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Calend\u00e1rios<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-folder\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M464 128H272l-54.63-54.63c-6-6-14.14-9.37-22.63-9.37H48C21.49 64 0 85.49 0 112v288c0 26.51 21.49 48 48 48h416c26.51 0 48-21.49 48-48V176c0-26.51-21.49-48-48-48zm0 272H48V112h140.12l54.63 54.63c6 6 14.14 9.37 22.63 9.37H464v224z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Documentos<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-users-cog\" viewBox=\"0 0 640 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M610.5 341.3c2.6-14.1 2.6-28.5 0-42.6l25.8-14.9c3-1.7 4.3-5.2 3.3-8.5-6.7-21.6-18.2-41.2-33.2-57.4-2.3-2.5-6-3.1-9-1.4l-25.8 14.9c-10.9-9.3-23.4-16.5-36.9-21.3v-29.8c0-3.4-2.4-6.4-5.7-7.1-22.3-5-45-4.8-66.2 0-3.3.7-5.7 3.7-5.7 7.1v29.8c-13.5 4.8-26 12-36.9 21.3l-25.8-14.9c-2.9-1.7-6.7-1.1-9 1.4-15 16.2-26.5 35.8-33.2 57.4-1 3.3.4 6.8 3.3 8.5l25.8 14.9c-2.6 14.1-2.6 28.5 0 42.6l-25.8 14.9c-3 1.7-4.3 5.2-3.3 8.5 6.7 21.6 18.2 41.1 33.2 57.4 2.3 2.5 6 3.1 9 1.4l25.8-14.9c10.9 9.3 23.4 16.5 36.9 21.3v29.8c0 3.4 2.4 6.4 5.7 7.1 22.3 5 45 4.8 66.2 0 3.3-.7 5.7-3.7 5.7-7.1v-29.8c13.5-4.8 26-12 36.9-21.3l25.8 14.9c2.9 1.7 6.7 1.1 9-1.4 15-16.2 26.5-35.8 33.2-57.4 1-3.3-.4-6.8-3.3-8.5l-25.8-14.9zM496 368.5c-26.8 0-48.5-21.8-48.5-48.5s21.8-48.5 48.5-48.5 48.5 21.8 48.5 48.5-21.7 48.5-48.5 48.5zM96 224c35.3 0 64-28.7 64-64s-28.7-64-64-64-64 28.7-64 64 28.7 64 64 64zm224 32c1.9 0 3.7-.5 5.6-.6 8.3-21.7 20.5-42.1 36.3-59.2 7.4-8 17.9-12.6 28.9-12.6 6.9 0 13.7 1.8 19.6 5.3l7.9 4.6c.8-.5 1.6-.9 2.4-1.4 7-14.6 11.2-30.8 11.2-48 0-61.9-50.1-112-112-112S208 82.1 208 144c0 61.9 50.1 112 112 112zm105.2 194.5c-2.3-1.2-4.6-2.6-6.8-3.9-8.2 4.8-15.3 9.8-27.5 9.8-10.9 0-21.4-4.6-28.9-12.6-18.3-19.8-32.3-43.9-40.2-69.6-10.7-34.5 24.9-49.7 25.8-50.3-.1-2.6-.1-5.2 0-7.8l-7.9-4.6c-3.8-2.2-7-5-9.8-8.1-3.3.2-6.5.6-9.8.6-24.6 0-47.6-6-68.5-16h-8.3C179.6 288 128 339.6 128 403.2V432c0 26.5 21.5 48 48 48h255.4c-3.7-6-6.2-12.8-6.2-20.3v-9.2zM173.1 274.6C161.5 263.1 145.6 256 128 256H64c-35.3 0-64 28.7-64 64v32c0 17.7 14.3 32 32 32h65.9c6.3-47.4 34.9-87.3 75.2-109.4z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\"><b>Grupos<\/b><\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-436babb elementor-align-center elementor-widget elementor-widget-button\" data-id=\"436babb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/mailfence.com\/pt\/#pricing\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Crie sua conta gratuita no Mailfence<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-definicao-de-ameacas-persistentes-avancadas\">Defini\u00e7\u00e3o de amea\u00e7as persistentes avan\u00e7adas<\/h2>\n\n\n\n<p>A defini\u00e7\u00e3o de uma amea\u00e7a persistente avan\u00e7ada depende da pessoa que a formula. O termo sempre foi usado para descrever uma pessoa e n\u00e3o um objeto. Originalmente inventado como uma maneira cort\u00eas de se referir aos piratas chineses, este termo \u00e9 agora usado para descrever um determinado advers\u00e1rio, competente e com grandes meios. Para que haja uma amea\u00e7a, \u00e9 necess\u00e1rio se esconder atr\u00e1s de um advers\u00e1rio humano e ativo; uma amea\u00e7a persistente avan\u00e7ada n\u00e3o \u00e9 e nunca foi uma classifica\u00e7\u00e3o de malware.<\/p>\n\n\n\n<p>Para o resto do mercado, a defini\u00e7\u00e3o de uma amea\u00e7a persistente avan\u00e7ada se expandiu nos \u00faltimos anos e agora inclui mais assaltantes. \u00c0 medida que t\u00e1ticas, t\u00e9cnicas e procedimentos (TTPs) das amea\u00e7as avan\u00e7adas e persistentes se proliferaram, agora existem muitos grupos em todo o mundo cujas atividades lembram uma amea\u00e7a persistente avan\u00e7ada. Tamb\u00e9m \u00e9 cada vez mais dif\u00edcil determinar se um ataque \u00e9 perpetrado por um ator nacional, crime organizado ou um indiv\u00edduo.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-text-align-center\">Image Courtesy (https:\/\/www.masergy.com)<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1891\" height=\"2189\" src=\"https:\/\/blog.mailfence.com\/wp-content\/uploads\/2024\/04\/atp.avif\" alt=\"\" class=\"wp-image-83937\" style=\"width:479px;height:auto\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-como-combater-ameacas-persistentes-avancadas\">Como combater amea\u00e7as persistentes avan\u00e7adas<\/h4>\n\n\n\n<p>Os TTPs usados \u200b\u200bpela grande maioria dos invasores s\u00e3o bastante simples em compara\u00e7\u00e3o com as elaboradas t\u00e1ticas que muitas pessoas imaginam. Os atacantes simplesmente n\u00e3o precisam ser muito espertos para alcan\u00e7ar seus objetivos, porque a maioria das organiza\u00e7\u00f5es n\u00e3o cobre aspectos b\u00e1sicos.<\/p>\n\n\n\n<p>Essa \u00e9 uma caracter\u00edstica fundamental de equipes muito ofensivas: as pessoas e ferramentas mais caras s\u00e3o usadas como \u00faltimo recurso. Como resultado, existem ataques baratos de <a href=\"https:\/\/blog.mailfence.com\/pt\/o-que-e-phishing\/\">phishing<\/a> e de ponto de \u00e1gua, apesar das defesas confi\u00e1veis \u200b\u200bdispon\u00edveis. Esses m\u00e9todos s\u00e3o rudimentares e, muitas vezes, as ferramentas usadas s\u00e3o parte do dom\u00ednio p\u00fablico. No entanto, eles trabalham e continuam a proliferar.<\/p>\n\n\n\n<p>Restringir suas pol\u00edticas e melhorar seus controles de configura\u00e7\u00e3o n\u00e3o \u00e9 atraente. Melhorar os procedimentos de seguran\u00e7a n\u00e3o \u00e9 \u201ctecnologia de ponta\u201d. Mas se voc\u00ea deseja dar grandes passos em sua defesa contra um n\u00famero cada vez maior de atacantes em constante avan\u00e7o, \u00e9 essencial saber o b\u00e1sico. Aqui est\u00e3o tr\u00eas pontos de pulso r\u00e1pidos:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Seus usu\u00e1rios t\u00eam direitos de administrador local?<\/li>\n\n\n\n<li>Os usu\u00e1rios podem instalar softwares indesejados, como barras de ferramentas do navegador?<\/li>\n\n\n\n<li>Os aplicativos podem ser executados a partir do diret\u00f3rio tempor\u00e1rio de um usu\u00e1rio?<\/li>\n<\/ul>\n\n\n\n<p>Como Jeff Foxworthy coloca humoristicamente: &#8220;Se voc\u00ea respondeu sim a todas as op\u00e7\u00f5es acima, voc\u00ea pode ter um problema b\u00e1sico de seguran\u00e7a&#8221;.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-combate-as-ameacas-persistentes-avancadas-o-toque-humano\">Combate \u00e0s Amea\u00e7as Persistentes Avan\u00e7adas: O Toque Humano<\/h2>\n\n\n\n<p>Uma \u00faltima recomenda\u00e7\u00e3o: pare de contar tanto em tecnologia e t\u00e3o pouco em per\u00edcia humana. Sua postura de seguran\u00e7a requer o uso de talento humano e a tecnologia certa para combater ataques avan\u00e7ados. Ainda n\u00e3o existe um produto que possa substituir a engenhosidade e o discernimento de um ser humano.<\/p>\n\n\n\n<p>Os atacantes s\u00e3o seres humanos. E \u00e9 necess\u00e1rio lutar contra humanos por humanos. Embora seja dif\u00edcil encontrar talentos no campo da seguran\u00e7a. Voc\u00ea n\u00e3o pode gastar esse dinheiro em tecnologia e reivindicar os mesmos resultados.<\/p>\n\n\n\n<p>Em conclus\u00e3o, n\u00e3o se concentre em amea\u00e7as persistentes. Configure um sistema para fortalecer suas pol\u00edticas, procedimentos e configura\u00e7\u00f5es de seguran\u00e7a. Certifique-se de investir primeiro em uma boa equipe e depois na tecnologia, porque ela sozinha n\u00e3o consegue lidar com um invasor humano.<\/p>\n\n\n\n<p>IMPLEMENTAR e MELHORAR as pol\u00edticas, procedimentos e configura\u00e7\u00f5es de seguran\u00e7a \u00e9 o primeiro e mais importante passo que o levar\u00e1 ao compromisso da pessoa ideal, respons\u00e1vel pela seguran\u00e7a na sua luta contra as amea\u00e7as persistentes.<\/p>\n\n\n\n<p>Voc\u00ea tem perguntas? N\u00e3o hesite em contatar o nosso suporte (suporte em mailfence ponto com).<\/p>\n\n\n\n<p>Voc\u00ea tem perguntas sobre como combater amea\u00e7as persistentes avan\u00e7adas? N\u00e3o hesite em contatar o nosso suporte (suporte em mailfence ponto com).<\/p>\n\n\n\n<p><a href=\"https:\/\/mailfence.com\/\">Mailfence<\/a> \u00e9 um servi\u00e7o de e-mail <a href=\"https:\/\/mailfence.com\/pt\/e-mail-seguro.jsp\">seguro<\/a>&nbsp;and&nbsp;<a href=\"https:\/\/mailfence.com\/pt\/e-mail-privado.jsp\">privado.<\/a><\/p>\n\n\n\n<p>Siga-nos no <a href=\"https:\/\/twitter.com\/mailfence_fr\" target=\"_blank\" rel=\"noopener noreferrer\">twitter<\/a>\/<a href=\"https:\/\/www.reddit.com\/r\/mailfence\" target=\"_blank\" rel=\"noopener noreferrer\">reddit<\/a> e mantenha-se informado em todos os momentos.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O uso recorrente do termo &#8220;Advanced Persistent Threat&#8221; (APT) na m\u00eddia, no mundo do marketing e na ind\u00fastria continua a nos surpreender. Muitas organiza\u00e7\u00f5es se distraem com o alarde p\u00fablico em torno dessa frase, em vez de se concentrarem nos princ\u00edpios b\u00e1sicos de seguran\u00e7a. \u00c9 uma quest\u00e3o de como o termo persistente persistente se refere [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":64624,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1379],"tags":[],"class_list":["post-64622","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seguranca-de-email"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Como combater amea\u00e7as persistentes avan\u00e7adas - Mailfence<\/title>\n<meta name=\"description\" content=\"Trata-se de saber a que o termo persistente persistente se refere e como se defender dessa amea\u00e7a. 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