{"id":35658,"date":"2016-07-21T16:15:38","date_gmt":"2016-07-21T19:15:38","guid":{"rendered":"https:\/\/www.psafe.com\/blog\/?p=35658"},"modified":"2022-03-09T15:30:07","modified_gmt":"2022-03-09T18:30:07","slug":"descoberta-nova-falha-na-criptografia-do-android","status":"publish","type":"post","link":"https:\/\/www.psafe.com\/blog\/descoberta-nova-falha-na-criptografia-do-android\/","title":{"rendered":"Descoberta nova falha na criptografia do Android"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Os usu\u00e1rios <strong>Android<\/strong> podem ficar atentos. Uma nova falha no sistema foi descoberta recentemente, deixando a <strong>seguran\u00e7a<\/strong> do sistema comprometida. N\u00e3o \u00e9 a primeira vez que encontram uma vulnerabilidade na plataforma, mas agora a <strong>criptografia <\/strong>do sistema est\u00e1 comprometida.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Provavelmente, voc\u00ea j\u00e1 se viu tentando preencher uma senha esquecida e errando diversas vezes at\u00e9 acertar. Esta \u00e9 a melhor analogia para explicar a falha encontrada na tecnologia Android. O time de seguran\u00e7a do DFNDR, o principal aplicativo antiv\u00edrus do Brasil, explica como ela funciona.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Leia mais: <a href=\"https:\/\/www.psafe.com\/blog\/celulares-android-brasileiros-estao-na-mira-de-malware-chines\/\">Android brasileiros est\u00e3o na mira de Malware chin\u00eas<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No sistema existe uma \u00e1rea de mem\u00f3ria chamada Trusted Zone que \u00e9 restrita e nem o pr\u00f3prio Android consegue modific\u00e1-la, isso porque ela guarda um hash &#8211; tipo de algoritmo que protege sua senha. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apenas um m\u00f3dulo MasterKey (extens\u00e3o espec\u00edfica) pode reconfigur\u00e1-la. A falha foi identificada quando um hacker conseguiu invadir a Trusted Zone e ler o hash, deixando as senhas vulner\u00e1veis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Desta forma, os aplicativos maliciosos conseguem criar combina\u00e7\u00f5es para acessarem os c\u00f3digos secretos do celular testando todas as combina\u00e7\u00f5es poss\u00edveis at\u00e9 acertarem as senhas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A falha n\u00e3o tem origem de um malware e \u00e9 importante que o usu\u00e1rio utilize senhas dif\u00edceis de serem desvendadas. A senha padr\u00e3o do Android \u00e9 uma das mais f\u00e1ceis de ser descoberta. O ideal \u00e9 usar letras e n\u00fameros, alterando entre mai\u00fasculas e min\u00fasculas. O Android est\u00e1 trabalhando para rever a situa\u00e7\u00e3o.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Problema na seguran\u00e7a do Android pode colocar senhas de usu\u00e1rios em risco.<\/p>\n","protected":false},"author":114,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[5],"tags":[30,7802,6659,3369],"class_list":["post-35658","post","type-post","status-publish","format-standard","hentry","category-ciberseguranca","tag-android","tag-dfndr-security","tag-noticia","tag-pessoal"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Descoberta nova falha na criptografia do Android | dfndr blog - PSafe<\/title>\n<meta name=\"description\" content=\"Problema na seguran\u00e7a do Android pode colocar senhas de usu\u00e1rios em risco.\" \/>\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.psafe.com\/blog\/descoberta-nova-falha-na-criptografia-do-android\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Descoberta nova falha na criptografia do Android | dfndr blog - 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