{"id":9694,"date":"2021-03-11T16:43:25","date_gmt":"2021-03-11T16:43:25","guid":{"rendered":"https:\/\/megasoft.de\/magazin\/?p=9694"},"modified":"2021-03-11T16:43:25","modified_gmt":"2021-03-11T16:43:25","slug":"microsoft-exchange-schwachstelle","status":"publish","type":"post","link":"https:\/\/www.megasoft.de\/en\/magazin\/aktuelles\/microsoft-exchange-schwachstelle\/","title":{"rendered":"Microsoft Exchange Schwachstelle"},"content":{"rendered":"<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" data-src=\"https:\/\/www.megasoft.de\/wp-content\/uploads\/microsoft-partner-csp-cloud-azure-office365-megasoft-it-solution-1.png\" alt=\"\" class=\"wp-image-9697 lazyload\" width=\"165\" height=\"108\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 165px; --smush-placeholder-aspect-ratio: 165\/108;\" \/><figcaption>megasoft IT &#8211; Cloud Solution Provider<\/figcaption><\/figure>\n\n\n\n<p>Microsoft hat mehrere Sicherheitsupdates f\u00fcr Microsoft Exchange Server ver\u00f6ffentlicht. Die Updates schlie\u00dfen Sicherheitsl\u00fccken, die in einigen F\u00e4llen f\u00fcr gezielte Attacken genutzt wurden.<\/p>\n\n\n\n<p>Aktuell betroffen von der Schwachstelle sind <strong>die lokalen Exchange Server 2010, 2013, 2016 und 2019<\/strong>. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Exchange Online ist nicht beeintr\u00e4chtigt. <\/h3>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-background has-accent-background-color has-accent-color\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">Angebot: Jetzt wechseln und sicher in die Zukunft blicken!<\/h4>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/www.megasoft.de\/en\/magazin\/microsoft-jetzt-wechselbonus-sichern\/\"><img decoding=\"async\" data-src=\"https:\/\/megasoft.de\/magazin\/wp-content\/uploads\/2021\/02\/microsoft03-1024x576.png\" alt=\"\" class=\"wp-image-9332 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/576;\" \/><\/a><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-background has-accent-background-color has-accent-color\"\/>\n\n\n\n<p>Um das Sicherheitsrisiko zu minimieren, empfehlen wir, unverz\u00fcglich die folgenden drei Schritte durchzuf\u00fchren oder schnellst m\u00f6glich <a href=\"https:\/\/www.megasoft.de\/en\/magazin\/microsoft-jetzt-wechselbonus-sichern\/\" target=\"_blank\" rel=\"noreferrer noopener\">zu Exchange Online zu wechseln<\/a>:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Patches f\u00fcr Exchange-Umgebungen installieren:<\/h2>\n\n\n\n<p>Um die Schwachstellen zu beheben, sollten Sie auf die neuesten Exchange Cumulative Updates wechseln und dann die entsprechenden Sicherheitsupdates auf jedem Exchange Server installieren. Sie k\u00f6nnen das Skript \u201eExchange Server Health Checker\u201c nutzen, das Sie von <a href=\"https:\/\/click.email.microsoftemail.com\/?qs=aa11c1f886a0956405a5788d5dac0dfa88fdd538542a4ff59a01e44aac9553ddaedaf4c5d24fa4158b09904a9d87dab76221974cbac02771\" target=\"_blank\" rel=\"noreferrer noopener\">GitHub<\/a> herunterladen k\u00f6nnen (verwenden Sie bitte die neueste Version). Sobald Sie dieses Skript ausf\u00fchren, k\u00f6nnen Sie feststellen, ob Sie mit den Updates f\u00fcr Ihren lokalen Exchange Server im Verzug sind (beachten Sie, dass das Skript Exchange Server 2010 nicht unterst\u00fctzt).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Suche nach den Indicators of Compromise<\/h2>\n\n\n\n<p><a href=\"https:\/\/click.email.microsoftemail.com\/?qs=aa11c1f886a09564e02865dd5395ad64fd30fac9431f5ea02a906247183fbdcb428a6d83169c329394f0826d4b637bdfdae36b7cfb3b9d94\" target=\"_blank\" rel=\"noreferrer noopener\">In diesem Artikel<\/a> hat Microsoft Informationen zusammengefasst, die SOCs und Security Verantwortlichen dabei helfen sollen, proaktiv nach verd\u00e4chtigen Aktivit\u00e4ten in ihrer Umgebung zu suchen. Dort finden Sie auch die Indicators of Compromise (IOCs), Erkennungsrichtlinien und erweiterte Suchanfragen, mit denen Sie diese Aktivit\u00e4t mithilfe von Exchange-Serverprotokollen, Azure Sentinel, Microsoft Defender f\u00fcr Endpoint und Microsoft 365 Defender untersuchen k\u00f6nnen. Bitte f\u00fchren Sie alle dort genannten Schritte aus. Weitere Informationen und Handlungsempfehlungen sind im Artikel verlinkt.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-background has-accent-background-color has-accent-color\"\/>\n\n\n\n<h2 class=\"has-background-color-background-color has-background wp-block-heading\">Angebot: Microsoft-Lizenz inkl. Exchange Online ab 4,22\u20ac \/ Monat<\/h2>\n\n\n\n<div class=\"wp-block-columns has-background-color-background-color has-background is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" data-src=\"https:\/\/www.megasoft.de\/wp-content\/uploads\/microsoft_365_legal-software-angebot-1.png\" alt=\"\" class=\"wp-image-9636 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 960px; --smush-placeholder-aspect-ratio: 960\/275;\" \/><\/figure>\n\n\n\n<p>Microsoft 365 Business Basic, das Business Abonnement f\u00fcr kleine und mittlere Unternehmen. Mit Microsoft Business Basic erhalten Sie die wichtigsten Office 365 Cloud Services f\u00fcr Ihr Unternehmen. Microsoft 365 Business Basic enth\u00e4lt keine lokale Installation von Office Programmen, die Benutzer haben aber Zugriff auf Exchange, SharePoint und Teams in der Cloud!<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>Jahresabonnement \/ Nutzer = 50,64\u20ac zzgl. 19% MwSt. = 60,26\u20ac inkl. MwSt.<\/p>\n\n\n\n<p><strong>Microsoft 365 Business Basic, ist die beste Wahl f\u00fcr Unternehmen, die einfache Remotel\u00f6sungen ben\u00f6tigen. Nutzen Sie mit 365 Business Basic Microsoft Teams, den sicherem Cloudspeicher und Office L\u00f6sugen Online<br>(Desktopversionen nicht enthalten)<\/strong><\/p>\n\n\n\n<p>Enthaltene Office Premium-Anwendungen:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><em><small>Web- und Mobile-Versionen von Word, Excel und PowerPoint sind enthalten.\u00b3<\/small><\/em><\/li><\/ul>\n\n\n\n<p>Enthaltene sichere Clouddienste:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><em><small>Teams, Exchange, OneDrive, SharePoint<\/small><\/em><\/li><\/ul>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-accent-background-color has-text-color has-background\" href=\"https:\/\/megasoft-shop.de\/software\/buroanwendungen\/microsoft-365.html?utm_source=megasoftmagazin&amp;utm_medium=website&amp;utm_campaign=microsoftillegal\" target=\"_blank\" rel=\"noreferrer noopener\">Online-Shop<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><em>Sie ben\u00f6tigen mehr als 50 Lizenzen? Kontaktieren Sie unseren Vertrieb &#8211; +49 2173 265 06 0<\/em><\/h4>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-background has-accent-background-color has-accent-color\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Indicators of Compromise zeigen positive Ergebnisse?<\/h2>\n\n\n\n<p>Wenn der Scan der Exchange-Protokolldateien f\u00fcr Kompromissindikatoren (Indicators of Compromise) positive Ergebnisse zeigt, k\u00f6nnen Sie sich gerne an uns wenden.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Weitere Ressourcen zu den Microsoft Exchange Sicherheitsupdates finden Sie hier:<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Exchange Server Security Updates f\u00fcr \u00e4ltere Cumulative Updates (CUs): <a href=\"https:\/\/click.email.microsoftemail.com\/?qs=aa11c1f886a095648dc376d30e9010becf7429b79f15d8e0181c8f153638d18d0c70907388b18eb2e100072cd1b8fda9bebfd91fe2452a73\" target=\"_blank\" rel=\"noreferrer noopener\">March 2021 Exchange Server Security Updates for older Cumulative Updates of Exchange Server &#8211; Microsoft Tech Community<\/a><\/li><li>\u00dcbergreifender Blogpost mit den wichtigsten Informationen: <a href=\"https:\/\/click.email.microsoftemail.com\/?qs=aa11c1f886a09564ad826f3c5a37753b4a77e5fee128d2e255e0d63ae01cd27628097a6a2d22438fd97b6f577d335c392accd383a9b3ad7e\" target=\"_blank\" rel=\"noreferrer noopener\">Hafnium: Microsoft Exchange-Sicherheitsupdate zum Schutz vor neuen nationalstaatlichen Attacken verf\u00fcgbar<\/a><\/li><li>Informationen zu den Security Updates f\u00fcr Exchange Server:<ul><li><a href=\"https:\/\/click.email.microsoftemail.com\/?qs=aa11c1f886a09564a68b7c863292ca422045dd199cac0d010559eb7912537e80068d13497f9aaa729340f539af469e9f5b1c6f30aa829e7e\" target=\"_blank\" rel=\"noreferrer noopener\">Multiple Security Updates Released for Exchange Server<\/a><\/li><li><a href=\"https:\/\/click.email.microsoftemail.com\/?qs=aa11c1f886a09564f8df3c4ad1f817d83916f44c20a97f0299076ed4fd446596c1cbce7cd173ffb8d422c8391b2668e2fed5bd3c65744f92\" target=\"_blank\" rel=\"noreferrer noopener\">Released: March 2021 Exchange Server Security Updates<\/a><\/li><\/ul><\/li><li>Brad Smith \u00fcber eine Meldepflicht f\u00fcr Cyberangriffe: <a href=\"https:\/\/click.email.microsoftemail.com\/?qs=aa11c1f886a095646a1e0debba8348484ff87338b6ac69e92c31294861575679afa2247dbd73fe9b8ab93098a5ba4ddcd2f91223d3fb2a66\" target=\"_blank\" rel=\"noreferrer noopener\">A digital strategy to defend the nation<\/a><\/li><li><a href=\"https:\/\/click.email.microsoftemail.com\/?qs=aa11c1f886a095645574e544f998e239753c32538a49e9f38504eac0959f650f25142f4f4bf90d6c96a9652cf3df83b634e7ceb42b89e6fc\" target=\"_blank\" rel=\"noreferrer noopener\">Zusammenfassung aller Informationen (PPT)<\/a><\/li><li><a href=\"https:\/\/click.email.microsoftemail.com\/?qs=aa11c1f886a0956497013988d92f2a6cfc6ead641ce7104b9a2a9691d40b9a2b5956a45ddda1ba3700f288eb59156bf2615173553d51002d\" target=\"_blank\" rel=\"noreferrer noopener\">20-min\u00fctiger Webcast zu dem Thema<\/a><\/li><li><a href=\"https:\/\/click.email.microsoftemail.com\/?qs=aa11c1f886a09564958d1f63377f8dc1f2679fe7e4d383dd3a0756da03c981797f58cfed7fa06640a0688c8845e44f259293c9f6cbe97e89\" target=\"_blank\" rel=\"noreferrer noopener\">Troubleshooting-Guide<\/a><\/li><\/ul>\n\n\n\n<p>Bitte besuchen Sie regelm\u00e4\u00dfig die hier geteilten Links und Quellen, da diese fortlaufend aktualisiert werden. Sollten Sie weitere R\u00fcckfragen dazu haben, stehen wir Ihnen gerne zur Verf\u00fcgung.<\/p>","protected":false},"excerpt":{"rendered":"<p>Microsoft hat mehrere Sicherheitsupdates f\u00fcr Microsoft Exchange Server ver\u00f6ffentlicht. Die Updates schlie\u00dfen Sicherheitsl\u00fccken, die in einigen F\u00e4llen f\u00fcr gezielte Attacken genutzt wurden. Aktuell betroffen von der Schwachstelle sind die lokalen Exchange Server 2010, 2013, 2016 und 2019. Exchange Online ist nicht beeintr\u00e4chtigt. Angebot: Jetzt wechseln und sicher in die Zukunft [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":9697,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[7,435,223,414,347],"tags":[432,433,434,436,437,438,417,439,440,441],"class_list":["post-9694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aktuelles","category-exchange-server","category-hersteller","category-it-news","category-microsoft","tag-attacke","tag-exchange-online","tag-exchange-server","tag-exchange-server-2016","tag-exchange-server-2019","tag-exchange-server2013","tag-microsoft","tag-microsoft-exchange","tag-schwachstelle","tag-sicherheitsluecke","wpautop"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>L\u00f6sung f\u00fcr Microsoft Exchange Schwachstelle - megasoft IT GmbH &amp; Co. KG<\/title>\n<meta name=\"description\" content=\"megasoft IT - Mircosoft Partner | L\u00f6sung f\u00fcr Microsoft Exchange Server 2010, 2013, 2016 &amp; 2019 Schwachstelle | Cloud Solution Provider\" \/>\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.megasoft.de\/en\/magazin\/aktuelles\/microsoft-exchange-schwachstelle\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u00f6sung f\u00fcr Microsoft Exchange Schwachstelle - megasoft IT GmbH &amp; Co. 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