{"id":7069,"date":"2025-04-14T12:38:28","date_gmt":"2025-04-14T16:38:28","guid":{"rendered":"https:\/\/solutionsreview.com\/backup-disaster-recovery\/?p=7069"},"modified":"2025-04-16T12:39:46","modified_gmt":"2025-04-16T16:39:46","slug":"why-the-3-2-1-backup-rule-remains-a-cornerstone-of-cybersecurity-in-2025","status":"publish","type":"post","link":"https:\/\/solutionsreview.com\/backup-disaster-recovery\/why-the-3-2-1-backup-rule-remains-a-cornerstone-of-cybersecurity-in-2025\/","title":{"rendered":"Why the 3-2-1 Backup Rule Remains a Cornerstone of Cybersecurity in 2025"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium_large wp-image-7070\" src=\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/files\/2025\/04\/Why-the-3-2-1-Backup-Rule-Remains-a-Cornerstone-of-Cybersecurity-in-2025-768x384.jpg\" alt=\"Why the 3-2-1 Backup Rule Remains a Cornerstone of Cybersecurity in 2025\" width=\"768\" height=\"384\" srcset=\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/files\/2025\/04\/Why-the-3-2-1-Backup-Rule-Remains-a-Cornerstone-of-Cybersecurity-in-2025-768x384.jpg 768w, https:\/\/solutionsreview.com\/backup-disaster-recovery\/files\/2025\/04\/Why-the-3-2-1-Backup-Rule-Remains-a-Cornerstone-of-Cybersecurity-in-2025-300x150.jpg 300w, https:\/\/solutionsreview.com\/backup-disaster-recovery\/files\/2025\/04\/Why-the-3-2-1-Backup-Rule-Remains-a-Cornerstone-of-Cybersecurity-in-2025.jpg 800w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/p>\n<p style=\"text-align: justify;\"><em><strong><span class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\" dir=\"ltr\">Daniel Pearson, the CEO at <a href=\"https:\/\/www.knownhost.com\/\" target=\"_blank\" rel=\"noopener\">KnownHost<\/a>, explains why the 3-2-1 backup rule is just as important to cybersecurity today as it was when it was first created. This article originally appeared in <a class=\"external\" href=\"https:\/\/insightjam.com\/share\/W9PNIZN-ugApeSN3?utm_source=manual\" target=\"_blank\" rel=\"noopener nofollow\">Insight Jam<\/a>, an enterprise IT community that enables human conversation on AI.<\/span><\/strong><\/em><\/p>\n<p id=\"isPasted\" style=\"text-align: justify;\"><span lang=\"EN-US\" data-contrast=\"auto\"><a href=\"https:\/\/insightjam.com\/share\/W9PNIZN-ugApeSN3?utm_source=manual\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-7034 alignleft\" src=\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/files\/2025\/03\/oie_27222236ofAWJfyu.png\" alt=\"\" width=\"100\" height=\"100\" srcset=\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/files\/2025\/03\/oie_27222236ofAWJfyu.png 100w, https:\/\/solutionsreview.com\/backup-disaster-recovery\/files\/2025\/03\/oie_27222236ofAWJfyu-60x60.png 60w\" sizes=\"(max-width: 100px) 100vw, 100px\" \/><\/a>Cyber incidents are expected to\u00a0<\/span><a href=\"https:\/\/www.statista.com\/forecasts\/1399040\/us-cybercrime-cost-annual\" target=\"_blank\" rel=\"noreferrer noopener\"><span lang=\"EN-US\" data-contrast=\"none\"><span data-ccp-charstyle=\"Hyperlink\">cost<\/span><\/span><\/a><span lang=\"EN-US\" data-contrast=\"auto\"> the US $639 billion in 2025. According to the latest estimates, this dynamic will continue to rise, reaching approximately $1.82 trillion in cyber-crime costs by 2028. These figures highlight the crucial importance of strong cybersecurity strategies, which businesses must build to reduce the likelihood of risks.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:240,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span lang=\"EN-US\" data-contrast=\"auto\">As technology evolves at a dramatic pace, businesses are increasingly dependent on utilizing digital infrastructure, exposing themselves to threats such as ransomware, accidental data loss, and corruption. D<\/span><span lang=\"EN-US\" data-contrast=\"auto\">espite the 3-2-1 backup rule being invented in <\/span><a href=\"https:\/\/www.purestorage.com\/knowledge\/3-2-1-backup-strategy.html#:~:text=Invented%20by%20photographer%20Peter%20Krogh,and%20at%20least%20two%20copies.\" target=\"_blank\" rel=\"noreferrer noopener\"><span lang=\"EN-US\" data-contrast=\"none\"><span data-ccp-charstyle=\"Hyperlink\">2009<\/span><\/span><\/a><span lang=\"EN-US\" data-contrast=\"auto\">, this strategy has stayed relevant for businesses over the years, ensuring that the loss of data is minimized under threat, and it will be a crucial method in the upcoming years to prevent major data loss. \u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:240,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><strong><span lang=\"EN-GB\" data-contrast=\"auto\">What Is the 3-2-1 Backup Rule?<\/span>\u00a0<\/strong><\/h3>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">The 3-2-1 backup rule is a simple yet highly effective data protection strategy that consists of the following setup:<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li style=\"text-align: justify;\"><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">Keep three copies of your data, including the original and two backups.\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">Storing the data in two different locations. For example, the cloud, on a disk, or a local drive.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<li style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">Storing a copy of the data off-site.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">This layered approach has long been considered a gold standard in IT security because it\u00a0<\/span><span lang=\"EN-GB\" data-contrast=\"auto\">diversifies risk,\u00a0minimizes points of failure,\u00a0<\/span><span lang=\"EN-GB\" data-contrast=\"auto\">and increases the likelihood of successful data recovery in the event of a cyber-attack or system malfunction.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><strong><span lang=\"EN-GB\" data-contrast=\"auto\">Why is This Rule Still Relevant in Today&#8217;s Cyber Threat Landscape?<\/span>\u00a0<\/strong><\/h3>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">In today&#8217;s environment, many businesses assume that storing data in the cloud is enough. However, it&#8217;s not a failsafe. <\/span><span lang=\"EN-GB\" data-contrast=\"auto\">Due to the rapid growth of cloud\u00a0infrastructure,<\/span><span lang=\"EN-GB\" data-contrast=\"auto\"> cyber-criminals<\/span><span lang=\"EN-GB\" data-contrast=\"auto\">\u00a0are now\u00a0actively\u00a0targeting\u00a0these\u00a0using advanced ransomware techniques,\u00a0leaving businesses with no clean recovery\u00a0option.\u00a0<\/span><a href=\"https:\/\/www.sentinelone.com\/cybersecurity-101\/cloud-security\/cloud-security-statistics\/\" target=\"_blank\" rel=\"noreferrer noopener\"><span lang=\"EN-GB\" data-contrast=\"none\"><span data-ccp-charstyle=\"Hyperlink\">Statistics<\/span><\/span><\/a><span lang=\"EN-GB\" data-contrast=\"auto\"> show that 80\u00a0percent\u00a0of companies have\u00a0encountered\u00a0an increase in the frequency of cloud attacks.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">Because of this,\u00a0more than ever, businesses need to invest in\u00a0<\/span><span lang=\"EN-GB\" data-contrast=\"auto\">immutable\u00a0backup\u00a0<\/span><span lang=\"EN-GB\" data-contrast=\"auto\">solutions that ensure backup data cannot be\u00a0modified, deleted, or accessed by unauthorized parties.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><strong><span lang=\"EN-GB\" data-contrast=\"auto\">Common Backup Mistakes Businesses Make<\/span>\u00a0<\/strong><\/h3>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">Despite widespread awareness of data protection principles, organizations still make critical errors in how they approach backups. One of the most common mistakes is storing all backups on the same physical network. This means that once malware infiltrates the network, it can easily encrypt both primary and backup data.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">Organizations also often neglect offline or air-gapped backups.\u00a0<\/span><span lang=\"EN-GB\" data-contrast=\"auto\">As they\u00a0rely solely on always-connected cloud or\u00a0on-premise\u00a0storage solutions, recovery\u00a0options may be\u00a0easily\u00a0wiped out during an attack.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559685&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">Finally, one of the most important steps businesses need to take yet fail to do so is to test backup restoration. <\/span><span lang=\"EN-GB\" data-contrast=\"auto\">Backups are only as good as their ability to be restored. Far too many organizations neglect regular testing, leading to the devastating realization that backup data is inaccessible or corrupted\u00a0<\/span><span lang=\"EN-GB\" data-contrast=\"auto\">only after a breach has occurred.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559685&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<h3 style=\"text-align: justify;\"><strong><span lang=\"EN-GB\" data-contrast=\"auto\">How to Implement the 3-2-1 Rule<\/span>\u00a0<\/strong><\/h3>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">To effectively integrate the 3-2-1 backup rule into your cybersecurity practices, organizations should begin with diversifying their storage solutions. For the most secure option, businesses may wish to use a combination of <\/span><span lang=\"EN-GB\" data-contrast=\"auto\">local disks, cloud storage, and physical media\u00a0such as external drives.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">Next,\u00a0l<\/span><span lang=\"EN-GB\" data-contrast=\"auto\">everage technologies that ensure backup data is write-once, read-many (WORM), meaning it\u00a0<\/span><span lang=\"EN-GB\" data-contrast=\"auto\">cannot be altered or\u00a0deleted<\/span><span lang=\"EN-GB\" data-contrast=\"auto\">, even by administrative accounts. Organizations may then wish to utilize appropriate automation and AI-driven tools.<\/span><span lang=\"EN-GB\" data-contrast=\"auto\">\u00a0These help with\u00a0automated monitoring, anomaly detection, and predictive analytics to\u00a0verify backup integrity and alert\u00a0<\/span><span lang=\"EN-GB\" data-contrast=\"auto\">businesses\u00a0to suspicious changes or failures in the backup process.\u00a0<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559685&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">Finally, businesses also need to ensure that they align with regulatory standards.\u00a0<\/span><span lang=\"EN-GB\" data-contrast=\"auto\"><span style=\"box-sizing: border-box; margin: 0; padding: 0; text-align: left;\">GDPR in the UK, or\u00a0<a href=\"https:\/\/oag.ca.gov\/privacy\/ccpa\" target=\"_blank\" rel=\"noopener\">CCPA<\/a> in the United States, emphasizes data protection and backup integrity.<\/span> Ensuring your backup strategy adheres to these standards reduces legal risk and strengthens overall security.<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559685&quot;:0,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<p style=\"text-align: justify;\"><span lang=\"EN-GB\" data-contrast=\"auto\">By combining this proven strategy with modern innovations such as immutable storage and AI-driven backup monitoring, organizations can fortify their defenses and dramatically improve their resilience to cyber threats.<\/span><\/p>\n<hr \/>\n<p style=\"text-align: justify;\">\n","protected":false},"excerpt":{"rendered":"<p>Daniel Pearson, the CEO at KnownHost, explains why the 3-2-1 backup rule is just as important to cybersecurity today as it was when it was first created. This article originally appeared in Insight Jam, an enterprise IT community that enables human conversation on AI. Cyber incidents are expected to\u00a0cost the US $639 billion in 2025. [&hellip;]<\/p>\n","protected":false},"author":1283,"featured_media":7070,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[1348,637,1349,1350],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Why the 3-2-1 Backup Rule Remains a Cornerstone of Cybersecurity in 2025<\/title>\n<meta name=\"description\" content=\"Daniel Pearson, the CEO at KnownHost, explains why the 3-2-1 backup rule is just as important to cybersecurity ever it ever was.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/why-the-3-2-1-backup-rule-remains-a-cornerstone-of-cybersecurity-in-2025\/\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daniel Pearson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/why-the-3-2-1-backup-rule-remains-a-cornerstone-of-cybersecurity-in-2025\/\",\"url\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/why-the-3-2-1-backup-rule-remains-a-cornerstone-of-cybersecurity-in-2025\/\",\"name\":\"Why the 3-2-1 Backup Rule Remains a Cornerstone of Cybersecurity in 2025\",\"isPartOf\":{\"@id\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/why-the-3-2-1-backup-rule-remains-a-cornerstone-of-cybersecurity-in-2025\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/why-the-3-2-1-backup-rule-remains-a-cornerstone-of-cybersecurity-in-2025\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/files\/2025\/04\/Why-the-3-2-1-Backup-Rule-Remains-a-Cornerstone-of-Cybersecurity-in-2025.jpg\",\"datePublished\":\"2025-04-14T16:38:28+00:00\",\"dateModified\":\"2025-04-16T16:39:46+00:00\",\"author\":{\"@id\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/#\/schema\/person\/3881832bcce47ae8846e0cc34b0a15ff\"},\"description\":\"Daniel Pearson, the CEO at KnownHost, explains why the 3-2-1 backup rule is just as important to cybersecurity ever it ever was.\",\"breadcrumb\":{\"@id\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/why-the-3-2-1-backup-rule-remains-a-cornerstone-of-cybersecurity-in-2025\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/why-the-3-2-1-backup-rule-remains-a-cornerstone-of-cybersecurity-in-2025\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/why-the-3-2-1-backup-rule-remains-a-cornerstone-of-cybersecurity-in-2025\/#primaryimage\",\"url\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/files\/2025\/04\/Why-the-3-2-1-Backup-Rule-Remains-a-Cornerstone-of-Cybersecurity-in-2025.jpg\",\"contentUrl\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/files\/2025\/04\/Why-the-3-2-1-Backup-Rule-Remains-a-Cornerstone-of-Cybersecurity-in-2025.jpg\",\"width\":800,\"height\":400,\"caption\":\"Why the 3-2-1 Backup Rule Remains a Cornerstone of Cybersecurity in 2025\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/why-the-3-2-1-backup-rule-remains-a-cornerstone-of-cybersecurity-in-2025\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Why the 3-2-1 Backup Rule Remains a Cornerstone of Cybersecurity in 2025\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/#website\",\"url\":\"https:\/\/solutionsreview.com\/backup-disaster-recovery\/\",\"name\":\"Best Backup and Disaster Recovery Tools, Software, Solutions &amp; 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