12/5/2023 0 Comments 3 2 1 data backup ruleA good way for that is to use cloud storage like AWS, Wasabi, or another one from some trusted provider.Īre you ready to implement the Rule into your organization’s data security planning? If so, we can move into the backup itself and a preferred backup solution for your business. If you don’t want your data gone up in flames, as the 3-2-1 rule says, we recommend keeping one of your copies outside the office. 1 – keep one copy outside your officeįire, flood, theft – there are threads that can affect the whole IT infrastructure. If you have it covered we can move to the final issue. That’s why using more than one location or data storage to keep backup copies secure comes as another crucial point is the comprehensive DR planning. Even the best one on the market has a limited lifespan. There is no doubt that any hard drive sooner or later fails. 2 – keep copies in at least two different localizations Is this calculation enough to convince you that following the 3-2-1 backup rule will significantly lower the chances of data loss and benefit your organization? Then let’s move on. in the cloud), and let’s assume that the probability of losing data from that device is the same – 1/100, the chance of losing your data lowers to: The probability of losing data from both devices at the same time is:īut if we have another device on which we keep yet another backup of our data, independently outside the company’s office (p.e. Probability of losing data from device A or device B is identical and equals 1/100. Let’s assume that we keep our data on device A, and the copy of that data on device B. But no matter what, the benefits of keeping three backup copies, instead of one or two are real. The scale of risk is different for each of the presented examples. 3 – keep at least three copies of your dataĪ stolen or damaged device, ransomware attack, unintentional or intentional data loss due to some careless employee. It says that you should:ģ – keep at least three copies of your data,Ģ – keep them in at least two different localizations,ġ – and keep one copy outside your office. The 3-2-1 rule is an easy-to-remember name for a recommended approach to data security. 3-2-1 backup rule – the meaning behind the numbers
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