{"id":1431,"date":"2025-09-01T15:53:08","date_gmt":"2025-09-01T19:53:08","guid":{"rendered":"https:\/\/servitiq.ca\/?p=1431"},"modified":"2026-03-13T11:20:20","modified_gmt":"2026-03-13T15:20:20","slug":"3-2-1-1-0-backups-anti-ransomware-smb","status":"publish","type":"post","link":"https:\/\/servitiq.ca\/en\/articles\/sauvegardes-3-2-1-1-0-anti-ransomware\/","title":{"rendered":"3-2-1-1-0 backups: the anti-ransomware strategy for SMBs"},"content":{"rendered":"<p>A good backup is worth more than a paid ransom. The <strong>3-2-1-1-0<\/strong> rule is now essential to cover modern risks.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The rule, explained<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>3<\/strong> copies of data (prod + 2 backups)<\/li>\n\n\n\n<li><strong>2<\/strong> types of media (disk + cloud)<\/li>\n\n\n\n<li><strong>1<\/strong> copy <strong>offsite<\/strong> (cloud\/separate data center)<\/li>\n\n\n\n<li><strong>1<\/strong> copy <strong>immutable<\/strong> (WORM \/ Object Lock)<\/li>\n\n\n\n<li><strong>0<\/strong> errors during <strong>restore tests<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Practical implementation<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Backups <strong>daily<\/strong> (DB) + <strong>weekly<\/strong> (files)<\/li>\n\n\n\n<li>Storage <strong>S3-compatible cloud<\/strong> (Object Lock) for immutability<\/li>\n\n\n\n<li><strong>Encryption<\/strong> in transit &amp; at rest<\/li>\n\n\n\n<li><strong>Testing<\/strong> : monthly restores and quarterly DR drill<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Often overlooked points<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Back up <strong>Microsoft 365\/Google Workspace<\/strong> (emails, Drive\/OneDrive)<\/li>\n\n\n\n<li>Preserve <strong>metadata<\/strong> (permissions, versions)<\/li>\n\n\n\n<li>Document <strong>who<\/strong> can trigger a <strong>restore<\/strong><\/li>\n\n\n\n<li>Isolate <strong>backup accounts<\/strong> (MFA, dedicated keys)<\/li>\n<\/ul>\n\n\n\n<p>An effective BCDR plan = recovery in <strong>hours<\/strong> instead of <strong>days<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Une bonne sauvegarde vaut mieux qu\u2019une ran\u00e7on pay\u00e9e. La r\u00e8gle 3-2-1-1-0 s\u2019impose d\u00e9sormais pour couvrir les risques modernes. La r\u00e8gle, en clair Mise en \u0153uvre pratique Points souvent oubli\u00e9s Un plan BCDR efficace = une reprise en heures au lieu de jours.<\/p>","protected":false},"author":1,"featured_media":1433,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_swpsp_post_exclude":false,"footnotes":""},"categories":[12],"tags":[],"class_list":["post-1431","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sauvegardes-bcdr"],"_links":{"self":[{"href":"https:\/\/servitiq.ca\/en\/wp-json\/wp\/v2\/posts\/1431","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/servitiq.ca\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/servitiq.ca\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/servitiq.ca\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/servitiq.ca\/en\/wp-json\/wp\/v2\/comments?post=1431"}],"version-history":[{"count":6,"href":"https:\/\/servitiq.ca\/en\/wp-json\/wp\/v2\/posts\/1431\/revisions"}],"predecessor-version":[{"id":1732,"href":"https:\/\/servitiq.ca\/en\/wp-json\/wp\/v2\/posts\/1431\/revisions\/1732"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/servitiq.ca\/en\/wp-json\/wp\/v2\/media\/1433"}],"wp:attachment":[{"href":"https:\/\/servitiq.ca\/en\/wp-json\/wp\/v2\/media?parent=1431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/servitiq.ca\/en\/wp-json\/wp\/v2\/categories?post=1431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/servitiq.ca\/en\/wp-json\/wp\/v2\/tags?post=1431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}