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Assessing how your backups routine should operate should go part-in-parcel with your TRA and BIA. Many companies have moved away from tapes for a variety of reasons, but one thing they had going for them is that you always had an offline copy of your data. When the backup from the night before was complete, you'd change the tape and it was then ...


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You can find many examples of backup rotation schemes, like here: http://www.backupassist.com/education/bsg2.html We keep (at work) backups for the last 30 days, but that wouldn't solve this problem. It could well be that we are infected for two months without noticing it. In that case: remove by hand or reinstall. When you use VMs like Amazon EC2, you ...


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Use a decent virus scanner. One that includes automatic software updates. Backups are meant to protect your data assets in such a way that they can be used to restore data after a data loss event. You need other software to protect you from malware. To circumvent the risk that a malicious program destroys the data on the backup medium, you should probably ...


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In general, restoring from a clean backup will wipe out any malware you have. However, there are rare exceptions. Malware can install itself in your computer's BIOS, in which case it will persist through anything but a BIOS flash (and if it can sabotage the flash process, it can survive even that). BIOS-infecting viruses are extremely rare, though, ...



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