{"id":116769,"date":"2022-12-08T09:58:50","date_gmt":"2022-12-08T09:58:50","guid":{"rendered":"https:\/\/www.stellarinfo.com\/blog\/?p=116769"},"modified":"2025-10-25T07:08:32","modified_gmt":"2025-10-25T07:08:32","slug":"la-panne-de-rackspace-hosted-exchange-a-ete-causee-par-une-attaque-de-ransomware","status":"publish","type":"post","link":"https:\/\/www.stellarinfo.com\/blog\/fr\/la-panne-de-rackspace-hosted-exchange-a-ete-causee-par-une-attaque-de-ransomware\/","title":{"rendered":"La panne de Rackspace\u00ae Hosted Exchange a \u00e9t\u00e9 caus\u00e9e par une attaque de ransomware"},"content":{"rendered":"<?xml encoding=\"utf-8\" ?><?xml encoding=\"utf-8\" ?><p>Rackspace&reg; a maintenant confirm&eacute; que l&rsquo;incident de s&eacute;curit&eacute; qui a conduit &agrave; une panne massive de messagerie pour ses clients &agrave; travers le monde a &eacute;t&eacute; caus&eacute; par une attaque de Ransomware sur leur environnement Hosted Exchange.<\/p><figure class=\"wp-block-image size-large\"><img decoding=\"async\" class=\"apply-gradient-on-post-images\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2022\/12\/2233.png\" alt=\"\"><\/figure><p><strong><a href=\"https:\/\/status.apps.rackspace.com\/index\/viewincidents?group=2\">Source de Rackspace<\/a><\/strong><\/p><p>Le fournisseur de services multi-cloud bas&eacute; au Texas a d&eacute;clar&eacute; dans une r&eacute;cente mise &agrave; jour : &rdquo; Comme vous le savez, le vendredi 2 d&eacute;cembre 2023, nous avons &eacute;t&eacute; inform&eacute;s d&rsquo;une activit&eacute; suspecte et avons imm&eacute;diatement pris des mesures proactives pour isoler l&rsquo;environnement Hosted Exchange afin de contenir l&rsquo;incident. Nous avons depuis d&eacute;termin&eacute; que cette activit&eacute; suspecte &eacute;tait le r&eacute;sultat d&rsquo;un incident de Ransomware.&rdquo;<\/p><p>Rackspace&reg; enqu&ecirc;te actuellement sur l&rsquo;incident Ransomware avec une soci&eacute;t&eacute; de cyberd&eacute;fense de premier plan et son &eacute;quipe de s&eacute;curit&eacute; interne. L&rsquo;enqu&ecirc;te n&rsquo;en est qu&rsquo;&agrave; ses d&eacute;buts et ils ne savent pas si les donn&eacute;es des clients sont affect&eacute;es ou si les attaquants ont acc&egrave;s &agrave; leurs informations sensibles.<\/p><p>En attendant, Rackspace&reg; aide activement ses clients &agrave; restaurer leurs services de messagerie en leur offrant un acc&egrave;s gratuit &agrave; la licence Microsoft 365 E1 et une assistance pour la migration de leurs utilisateurs vers Microsoft 365 jusqu&rsquo;&agrave; nouvel ordre.<\/p><p>Cependant, l&rsquo;entreprise n&rsquo;a pas communiqu&eacute; de calendrier quant &agrave; la date &agrave; laquelle la perturbation ou le probl&egrave;me sera r&eacute;solu.<\/p><p>La soci&eacute;t&eacute; a d&eacute;clar&eacute; : &ldquo;Pour le moment, nous ne sommes pas en mesure de fournir un calendrier pour la restauration de l&rsquo;environnement Hosted Exchange. Nous nous effor&ccedil;ons de fournir les clients avec des archives de bo&icirc;tes de r&eacute;ception lorsqu&rsquo;elles sont disponibles, pour les importer &eacute;ventuellement vers Microsoft 365.&rdquo;<\/p><h2 class=\"wp-block-heading\" id=\"r&eacute;tablir-le-service-de-messagerie-apr&egrave;s-la-panne-de-rackspace&reg;-hosted-exchange\">R&eacute;tablir le service de messagerie apr&egrave;s la panne de Rackspace&reg; Hosted Exchange<\/h2><p>Rackspace&reg; recommande de migrer vers Microsoft 365. Il fournit un acc&egrave;s gratuit aux licences Microsoft 365 et aide les clients &agrave; mettre en place un locataire, &agrave; cr&eacute;er des comptes utilisateurs, &agrave; attribuer des bo&icirc;tes aux lettres et &agrave; mettre &agrave; jour les DNS pour restaurer le service de messagerie.<\/p><p>Si vous disposez d&rsquo;une sauvegarde ou avez souscrit au service d&rsquo;archivage de Rackspace&reg;, vous pouvez utiliser ce service pour rechercher et exporter les e-mails critiques des serveurs Rackspace&reg; vers des fichiers PST. Leur service d&rsquo;archivage n&rsquo;est pas affect&eacute; par l&rsquo;incident et est fonctionnel.<\/p><figure class=\"wp-block-image size-large\"><img decoding=\"async\" class=\"apply-gradient-on-post-images\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2022\/12\/ggg.png\" alt=\"\"><\/figure><p>Vous pouvez ensuite importer ce fichier PST vers votre compte Office 365 via l&rsquo;assistant d&rsquo;importation et d&rsquo;exportation d&rsquo;Outlook ou via la m&eacute;thode de t&eacute;l&eacute;chargement en r&eacute;seau pour restaurer les e-mails.<\/p><p>Toutefois, si vous n&rsquo;avez pas souscrit au service d&rsquo;archivage et que vous n&rsquo;avez pas de sauvegarde, vous pouvez utiliser un outil de conversion OST en PST tel que Stellar Converter for OST pour extraire les &eacute;l&eacute;ments de messagerie du cache Outlook local (fichiers .OST) des utilisateurs et exporter les &eacute;l&eacute;ments de messagerie vers la bo&icirc;te aux lettres Office 365 des utilisateurs directement.&nbsp;<\/p><p>Le logiciel peut &eacute;galement enregistrer les bo&icirc;tes aux lettres des utilisateurs &agrave; partir des fichiers OST locaux cr&eacute;&eacute;s par Outlook pour les comptes de messagerie Exchange Server h&eacute;berg&eacute;s vers des fichiers PST ou les exporter vers les bo&icirc;tes aux lettres Exchange Server en direct sur site avec une int&eacute;grit&eacute; compl&egrave;te.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/cloud.stellarinfo.com\/fr\/StellarConverterforOST-Technician.exe\"><img loading=\"lazy\" decoding=\"async\" width=\"299\" height=\"67\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2019\/06\/FR-download-button-1.png\" alt=\"Stellar\" class=\"wp-image-41464 apply-gradient-on-post-images\"><\/a><\/figure><\/div><p>Pour plus de d&eacute;tails et d&rsquo;instructions, consultez notre r&eacute;cent blog sur la <strong><a href=\"https:\/\/www.stellarinfo.com\/blog\/fr\/comment-migrer-un-fichier-ost-exchange-heberge-par-rackspace-vers-microsoft-365\/\">migration des bo&icirc;tes aux lettres des fichiers OST locaux d&rsquo;un serveur Exchange h&eacute;berg&eacute; Rackspace&reg; en panne vers Microsoft 365<\/a><\/strong>.<\/p><h2 class=\"wp-block-heading\" id=\"conclusion\"><strong>Conclusion<\/strong><\/h2><p>La panne qui a commenc&eacute; le 02 d&eacute;cembre 2023, &eacute;tait initialement consid&eacute;r&eacute;e comme un probl&egrave;me de connectivit&eacute; temporaire, mais s&rsquo;est av&eacute;r&eacute;e &ecirc;tre une attaque de Ransomware perturbant l&rsquo;infrastructure Rackspace&reg; Hosted Exchange. Si vous &ecirc;tes un client Rackspace&reg; affect&eacute; par l&rsquo;incident Ransomware et la panne du serveur Rackspace&reg; Hosted Exchange, nous vous sugg&eacute;rons de migrer vers Microsoft 365 pour restaurer le service de messagerie et d&rsquo;utiliser le service de sauvegarde ou d&rsquo;archivage pour restaurer les bo&icirc;tes aux lettres des utilisateurs. Si vous n&rsquo;avez pas de sauvegarde ou si vous avez opt&eacute; pour le Service d&rsquo;archivage avant l&rsquo;attaque du sinistre, utilisez le &nbsp;<a href=\"https:\/\/www.stellarinfo.com\/fr\/email-tools\/avance-ost-en-pst.php\">Stellar Converter for OST Technician<\/a>. Utilisez le logiciel pour analyser le cache local (fichier .ost) de la bo&icirc;te aux lettres Exchange Server h&eacute;berg&eacute;e cr&eacute;&eacute;e par Outlook et exportez-les directement vers les bo&icirc;tes aux lettres des utilisateurs d&rsquo;Office 365.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rackspace&reg; a maintenant confirm&eacute; que l&rsquo;incident de s&eacute;curit&eacute; qui a conduit &agrave;&hellip; <a class=\"more-link\" href=\"https:\/\/www.stellarinfo.com\/blog\/fr\/la-panne-de-rackspace-hosted-exchange-a-ete-causee-par-une-attaque-de-ransomware\/\">Continue reading <span class=\"screen-reader-text\">La panne de Rackspace\u00ae Hosted Exchange a \u00e9t\u00e9 caus\u00e9e par une attaque de ransomware<\/span><\/a><\/p>\n","protected":false},"author":7,"featured_media":116821,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4048],"tags":[4050],"class_list":["post-116769","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ost-vers-microsoft-365","tag-rackspace-hosted-exchange-a-ete-causee-par-une-attaque-de-ransomware","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La panne de Rackspace\u00ae Hosted Exchange a \u00e9t\u00e9 caus\u00e9e par une attaque de ransomware | Stellar<\/title>\n<meta name=\"description\" content=\"La panne de Rackspace Hosted Exchange a \u00e9t\u00e9 caus\u00e9e par une attaque de ransomware. 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