Instead, one copy on your computer, one copy on a backup on the network, and one copy in offsite storage. Creating two folders on the same computer doesn’t count. And as above, the backup is replicated to an offsite location.Ĭopies need to be in three different places. That data is then copied to an external drive, typically through USB or over the network.
From there, the backup is replicated to an offsite location.įor a SOHO (Small Office Home Office) user, a person creates and edits data on his or her local hard drive. That data is then copied to a dedicated backup device on the network. In a typical corporate setting, a person creates and edits data that is centrally stored, like a network server. Finally, that storage device is replicated offsite. A copy is made on a continuous schedule (as created, every hour, etc.) to a nearby (locally attached or connected through network) storage device. You have a designated place where you actively create and edit data.
The general picture of your backup should resemble this diagram. Proper backup requires a known and regularly tested recovery plan.One copy of your data needs to be offsite.Your data should be on two different types of storage.You need to have at least three copies of your data.The “3-2-1 Backup” method isn’t new, but I believe should be updated to “3-2-1 Automatic Backup and Recovery Method.” Here are the key points: One of the more frightening things is the belief that you have a backup in place, but it has never been tested to actually work. There is also the outside threats, such as fires, floods, natural disasters, theft or zombie apocalypse. Getting files back from before the infection may be the only way to recover from some computer viruses. The most common threat is simple human error: “I was working on this file and made some changes, but I want to revert back to an older version,” or, “I accidentally overwrote the real version of the file with my unedited copy.” Human error can also result in virus infection, including the new cryptolocker strain of malware. Whether business data or personal data, the threats are similar but with different repercussions. And you probably haven’t thought about what you need to recover your data, let alone how long that will actually take.
If you are reading this, chances are that it probably isn’t entirely safe.
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