Why the 3-2-1 Backup Rule Still Holds Up Against Ransomware
When a long-standing rule of thumb meets a new kind of threat, a fair question is whether the rule still holds or needs replacing. The classic rule for keeping backups safe predates ransomware, which raises the question of whether it still protects against an attack it was not originally designed for. The answer, with one important addition, is that its underlying logic holds up remarkably well against ransomware. Understanding why the 3-2-1 backup rule still holds up against ransomware is how an organization sees that a sound principle, updated for the modern threat, remains a solid foundation rather than an outdated relic, because the logic that protected against older dangers turns out to protect against ransomware too, once extended to account for how ransomware specifically operates. What the Rule Was Built to Do The classic rule was built to ensure no single problem could destroy all of an organization's copies at once, by spreading copies across different kinds of storage an...