

2 local copies on different storage types.One comprehensive backup strategy that can be used to protect against many threats is the 3-2-1 backup strategy.

Having a backup of your data might protect against someone stealing your laptop, however, it might not protect against a disaster like a house fire. All three of these damage our data in very different ways, as a result we need a very comprehensive backup strategy to protect against these and many more threats. This might have you asking, “Is one backup of my data enough to protect against these?” The short answer is no. This could be anything from a broken SSD, to theft, to natural disasters. The amount of data that we create grows every year, as a result: so does the amount of data we lose. reported that in 2021 an estimated 79 zettabytes of data was created, captured, copied, and consumed globally for reference, one zettabyte is equivalent to a billion terabytes.
