Recently, a colleague pointed me toward cloud backup provider Backupify. At first, I yawned and almost didn't read further. However, something caught my eye: Backupify isn't your run-of-the-mill cloud backup service. Instead of protecting your on-premises data with a backup in the cloud as so many providers do, it backs up data hosted in other cloud services such as Google Apps, Facebook, Twitter, and Salesforce.com, then stores those point-in-time backups in Amazon.com's cloud. It's still cloud backup, but with an important twist.
Although I haven't tried Backupify's services myself and can't pass judgment on whether it's any good, I can say that this take on cloud backups is unique. Backupify doesn't make the usual claim that you should back up these services because they might lose your data. Instead, Backupify pitches its service based on the fact that you might lose your data (say, through accidental deletion) or a hacker might do it for you.
In other words, Backupify assumes that cloud services are reliable enough that you don't need to worry about whether your data is safe with them. Instead, it assumes that you need to worry about whether you or a malicious third party might damage your data. I find that argument compelling.
Of course, perhaps not everyone would agree with that conclusion, but it helps illustrate an interesting point missed by many cloud users: Though you may be in the cloud, making sure your data is protected is still your responsibility. Take this MSDN blog post that describes how to back up a Windows Azure SQL database as a great example. It's right there in bold letters: "Please be aware that Windows Azure SQL databases are replicated to different servers/data centers for disaster recovery but are not backed up for the purpose of recovering accidental data loss or changes."
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