{"id":27960,"date":"2021-03-09T16:04:00","date_gmt":"2021-03-09T15:04:00","guid":{"rendered":"https:\/\/perseus.de\/microsoft-exchange-cerrar-las-brechas-rapidamente\/"},"modified":"2026-03-31T07:45:46","modified_gmt":"2026-03-31T05:45:46","slug":"microsoft-exchange-cerrar-las-brechas-rapidamente","status":"publish","type":"post","link":"https:\/\/perseus.de\/es\/microsoft-exchange-cerrar-las-brechas-rapidamente\/","title":{"rendered":"Microsoft Exchange: \u00a1Cerrar las brechas r\u00e1pidamente!"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"27960\" class=\"elementor elementor-27960 elementor-22874\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dcf4ec4 e-flex e-con-boxed e-con e-parent\" data-id=\"dcf4ec4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e1db58c elementor-widget elementor-widget-image\" data-id=\"e1db58c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"200\" src=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/04\/Gefahrenwarnung-Headerbild-Website-2025-1024x256.png\" class=\"attachment-large size-large wp-image-27805\" alt=\"\" srcset=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/04\/Gefahrenwarnung-Headerbild-Website-2025-1024x256.png 1024w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/04\/Gefahrenwarnung-Headerbild-Website-2025-300x75.png 300w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/04\/Gefahrenwarnung-Headerbild-Website-2025-768x192.png 768w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/04\/Gefahrenwarnung-Headerbild-Website-2025.png 1200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\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\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1258a43 e-flex e-con-boxed e-con e-parent\" data-id=\"1258a43\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-2de4e88 e-con-full e-flex e-con e-child\" data-id=\"2de4e88\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4982c80 elementor-widget elementor-widget-text-editor\" data-id=\"4982c80\" 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<h6>09.03.2021<\/h6>\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-8348bc5 elementor-widget elementor-widget-heading\" data-id=\"8348bc5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Advertencia actual de peligro. Se necesitan medidas urgentes. \n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-eb03842 e-con-full e-flex e-con e-child\" data-id=\"eb03842\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-91d0988 elementor-widget elementor-widget-text-editor\" data-id=\"91d0988\" 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<ul><li><strong>Vulnerabilidades cr\u00edticas en la plataforma de correo electr\u00f3nico Exchange Server de Microsoft<\/strong><\/li><li><strong>Decenas de miles de empresas y autoridades afectadas, incluidas cuatro agencias federales<\/strong><\/li><li><strong>BSI: Instalar las actualizaciones de seguridad proporcionadas por Microsoft lo antes posible<\/strong><\/li><\/ul><p> <\/p><p>Debido a una vulnerabilidad de seguridad en los servidores de Microsoft Exchange, decenas de miles de servidores de correo electr\u00f3nico de empresas, autoridades e instituciones educativas han sido v\u00edctimas de ataques inform\u00e1ticos, seg\u00fan informes de medios estadounidenses. Cuatro de las vulnerabilidades recientemente reveladas de Microsoft han sido explotadas por hackers. Podr\u00eda haber m\u00e1s de 250.000 v\u00edctimas en todo el mundo, seg\u00fan el Wall Street Journal.  <\/p><p>El domingo, la Autoridad Bancaria Europea (EBA) tambi\u00e9n anunci\u00f3 que personas no autorizadas podr\u00edan haber tenido acceso a correos electr\u00f3nicos. Tambi\u00e9n es probable que haya miles de v\u00edctimas en Alemania. Seg\u00fan la Oficina Federal de Seguridad de la Informaci\u00f3n (BSI) de Alemania, seis agencias federales tambi\u00e9n se ven afectadas por los ataques de hackers a los programas de correo electr\u00f3nico de Microsoft. En cuatro casos, hubo un posible compromiso entre ellos. Sigue siendo cierto que las actualizaciones de seguridad proporcionadas por Microsoft deben instalarse lo antes posible.    <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f85a5ad e-flex e-con-boxed e-con e-parent\" data-id=\"f85a5ad\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-fad2031 e-con-full e-flex e-con e-child\" data-id=\"fad2031\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8282d30 elementor-widget elementor-widget-text-editor\" data-id=\"8282d30\" 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>\u00bfQu\u00e9 ha pasado?<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ee744d2 e-con-full e-flex e-con e-child\" data-id=\"ee744d2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5ea6506 elementor-widget elementor-widget-text-editor\" data-id=\"5ea6506\" 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>Las primeras indicaciones de estas vulnerabilidades ya hab\u00edan sido dadas el 28 de febrero por la empresa de seguridad inform\u00e1tica Volexity, del estado estadounidense de Virginia. Los analistas hab\u00edan encontrado varios ataques que se hab\u00edan llevado a cabo mediante los llamados web shells, es decir, herramientas de entrada para comandos del sistema. Ya a finales de febrero, aparentemente los atacantes empezaron a instalar autom\u00e1ticamente puertas traseras en servidores vulnerables de Microsoft Exchange. Miles de servidores por hora fueron atacados de esta manera. Ha habido una actualizaci\u00f3n de seguridad para las vulnerabilidades desde el pasado mi\u00e9rcoles. Sin embargo, la experiencia ha demostrado que las actualizaciones de todas las empresas afectadas tardan bastante en instalarse.     <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f1dfa8e e-flex e-con-boxed e-con e-parent\" data-id=\"f1dfa8e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bf4f09a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"bf4f09a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a82985c e-flex e-con-boxed e-con e-parent\" data-id=\"a82985c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-482032b e-con-full e-flex e-con e-child\" data-id=\"482032b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b5f6a5c elementor-widget elementor-widget-text-editor\" data-id=\"b5f6a5c\" 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>\u00bfQui\u00e9n est\u00e1 detr\u00e1s?<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8f5d6ed e-con-full e-flex e-con e-child\" data-id=\"8f5d6ed\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-057f5b5 elementor-widget elementor-widget-text-editor\" data-id=\"057f5b5\" 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>Seg\u00fan un informe de Microsoft, el grupo chino de hackers patrocinado por el Estado HAFNIUM est\u00e1 detr\u00e1s de los ataques. Se dice que los hackers atacaron especialmente a empresas estadounidenses, por ejemplo del sector industrial, instituciones educativas y ONG. Tras ataques exitosos, a menudo se dice que quedan permanentemente atrapados en los sistemas y copian datos.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ceb0f40 e-flex e-con-boxed e-con e-parent\" data-id=\"ceb0f40\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-71cb03a e-con-full e-flex e-con e-child\" data-id=\"71cb03a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-26d4389 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"26d4389\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-02dd0e9 e-flex e-con-boxed e-con e-parent\" data-id=\"02dd0e9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-16d621d e-con-full e-flex e-con e-child\" data-id=\"16d621d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-89904c7 elementor-widget elementor-widget-text-editor\" data-id=\"89904c7\" 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>\u00bfQu\u00e9 tengo que hacer ahora?<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fae461d e-con-full e-flex e-con e-child\" data-id=\"fae461d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0f04793 elementor-widget elementor-widget-text-editor\" data-id=\"0f04793\" 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><em><strong>\u00a1Ejecuta las \u00faltimas actualizaciones de seguridad!<\/strong><\/em><\/p><p>Los desarrolladores han publicado ediciones seguras para las siguientes versiones vulnerables de Exchange Server:<\/p><ul><li>Exchange Server 2010 (RU 31 para Service Pack 3)<\/li><li>Exchange Server 2013 (CU 23)<\/li><li>Exchange Server 2016 (CU 19, CU 18)<\/li><li>Exchange Server 2019 (CU 8, CU 7)<\/li><\/ul><p> <\/p><p>Para que los administradores puedan comprobar r\u00e1pidamente sus versiones instaladas de Exchange Server,<br>Microsoft proporciona un <a href=\"https:\/\/microsoft.github.io\/CSS-Exchange\/Diagnostics\/HealthChecker\/\">script para descargar<\/a> . Con las actualizaciones de seguridad, los desarrolladores est\u00e1n cerrando tres vulnerabilidades m\u00e1s (CVE-2021-26412, CVE-2021-26858, CVE-2021-27078), pero por el momento no se dice que ning\u00fan atacante las est\u00e9 atacando. <\/p><p>Seg\u00fan Microsoft, Exchange Online no se ve afectado por las vulnerabilidades.<\/p><p><strong>&gt;&gt;  \u00a1Restablece todas las contrase\u00f1as de usuario!<\/strong><\/p><p><strong>&gt;&gt;  \u00a1Haz una denuncia a la autoridad responsable de protecci\u00f3n de datos!<\/strong><br>De este modo, puedes asegurarte de no perder los plazos aplicables.<\/p><p> <strong>&gt;&gt; <a href=\"https:\/\/www.microsoft.com\/security\/blog\/2021\/03\/02\/hafnium-targeting-exchange-servers\/#scan-log\">Revisa los scripts proporcionados<\/a> por Microsoft <\/strong>y utiliza otras herramientas de an\u00e1lisis para ver si tu organizaci\u00f3n ha sido comprometida. Sin embargo, las empresas que no han asegurado sus servidores Exchange pueden, en principio, asumir que se ver\u00e1n afectadas. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cdadbd8 e-flex e-con-boxed e-con e-parent\" data-id=\"cdadbd8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-104dd95 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"104dd95\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f6e5251 e-flex e-con-boxed e-con e-parent\" data-id=\"f6e5251\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-f1cf26c e-con-full e-flex e-con e-child\" data-id=\"f1cf26c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ee082fd elementor-widget elementor-widget-text-editor\" data-id=\"ee082fd\" 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>Inevitablemente m\u00e1s pruebas de seguridad<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bc25934 e-con-full e-flex e-con e-child\" data-id=\"bc25934\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2b46b6f elementor-widget elementor-widget-text-editor\" data-id=\"2b46b6f\" 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>Como parte de su compromiso con una mayor seguridad inform\u00e1tica en las pymes, la BSI envi\u00f3 hoy una carta directamente a la direcci\u00f3n de aquellas empresas cuyos servidores Exchange se ven afectados, seg\u00fan el conocimiento de la BSI, haciendo<a href=\"https:\/\/www.bsi.bund.de\/SharedDocs\/Cybersicherheitswarnungen\/DE\/2021\/2021-197772-1132.pdf?__blob=publicationFile&amp;v=10\">recomendaciones para contramedidas<\/a> .<\/p><p>Seg\u00fan expertos en seguridad, si el resultado de la prueba es positivo, no siempre ser\u00e1 suficiente para cerrar las brechas de seguridad con las actualizaciones de Microsoft. M\u00e1s bien, es de esperar que en estos casos ya se haya infiltrado m\u00e1s malware en el mercado. En tales casos, ser\u00e1n inevitables pruebas de seguridad extensas y una reinstalaci\u00f3n parcial de los sistemas.  <\/p><p>Los expertos de Perseus recomiendan encarecidamente mantener el software actualizado. Adem\u00e1s, se recomienda realizar comprobaciones en los IOCs disponibles relacionados con las vulnerabilidades asociadas a este incidente. La lista est\u00e1 disponible <a href=\"https:\/\/www.microsoft.com\/security\/blog\/2021\/03\/02\/hafnium-targeting-exchange-servers\/#scan-log\">aqu\u00ed<\/a> .  <\/p><p>No dudes en ponerte en contacto con nosotros si quieres saber c\u00f3mo puedes mejorar a\u00fan m\u00e1s la ciberseguridad de tu empresa a largo plazo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5f622d6 e-flex e-con-boxed e-con e-parent\" data-id=\"5f622d6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-9c1eeee e-con-full e-flex e-con e-child\" data-id=\"9c1eeee\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e889ec5 e-con-full e-flex e-con e-child\" data-id=\"e889ec5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-335618c elementor-widget elementor-widget-text-editor\" data-id=\"335618c\" 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><img decoding=\"async\" class=\"alignnone wp-image-22879\" src=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Microsoft-Exchange-Breach_-2021-400x566-1.png\" alt=\"\" width=\"600\" height=\"849\" srcset=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Microsoft-Exchange-Breach_-2021-400x566-1.png 400w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Microsoft-Exchange-Breach_-2021-400x566-1-212x300.png 212w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>09.03.2021 Advertencia actual de peligro. Se necesitan medidas urgentes. Vulnerabilidades cr\u00edticas en la plataforma de correo electr\u00f3nico Exchange Server de Microsoft Decenas de miles de empresas y autoridades afectadas, incluidas cuatro agencias federales BSI: Instalar las actualizaciones de seguridad proporcionadas por Microsoft lo antes posible Debido a una vulnerabilidad de seguridad en los servidores de [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[66],"tags":[],"class_list":["post-27960","post","type-post","status-publish","format-standard","hentry","category-advertencia-de-peligro"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Microsoft Exchange: \u00a1Cerrar las brechas r\u00e1pidamente! - Perseus Technologies<\/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:\/\/perseus.de\/es\/microsoft-exchange-cerrar-las-brechas-rapidamente\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Microsoft Exchange: \u00a1Cerrar las brechas r\u00e1pidamente! - Perseus Technologies\" \/>\n<meta property=\"og:description\" content=\"09.03.2021 Advertencia actual de peligro. 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