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what if your cloud=provider gets hacked ? (www.bleepingcomputer.com)

submitted 10 months ago by kristoff@infosec.pub to c/selfhosted@lemmy.world

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Hi all,

As self-hosting is not just "home-hosting" I guess this post should also be on-topic here.

Beginning of the year, bleeping-computers published an interesting post on the biggest cybersecurity stories of 2023.

Item 13 is an interesing one. (see URL of this post). Summary in short A Danish cloud-provider gets hit by a ransomware attack, encrypting not only the clients data, but also the backups.

For a user, this means that a senario where, not only your VM becomes unusable (virtual disk-storage is encrypted), but also the daily backups you made to the cloud-provider S3-storage is useless, might be not as far-fetches then what your think.

So .. conclussion ??? If you have VMs at a cloud-provider and do daily backups, it might be usefull to actually get your storage for these backups from a different provider then the one where your house your VMs.

Anybody any ideas or remarks on this?

(*) https://www.bleepingcomputer.com/news/security/the-biggest-cybersecurity-and-cyberattack-stories-of-2023/

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[–] NAK@lemmy.world 2 points 10 months ago

By definition a disaster recovery solution needs to be geographically separate. You're protecting yourself from catastrophe, and some of those scenarios include your main location burning down, flooding, being hit by a tornado, etc etc.

So you either need to collocate systems with a friend who you trust, purchase colocation services from a provider, or use a cloud service to achieve what you're looking for to truly have a DR solution.

As far as how to do that, the main idea is to have that point in time available on a system that, even if you get compromised, the backups won't. The old school method here is to use an external hard drive or a tape device, and physically store that offsite. So like use your regular backup mechanism, and in addition to what it's doing now schedule a daily/weekly/monthly job that backs up to this other device, and then store that away from your main location.

That's essentially the idea though, and there are any number of solutions you can use to do it.