Originally Posted by
thesun
Everything is a balance of risk and convenience. Chance of losing your onsite backups vs having an issue with your offsite. It would probably be safer to store an encrypted copy on an external drive and keep it in a safe deposit box but that is definitely inconvenient to update. There are cloud services that offer zero knowledge encryption on the server side but ultimately there's always some client program that needs to be able to decrypt the data. This is what I do for my cloud backups but it really depends on you trusting the client application. Personally, I'm not too concerned.
Actually I'm setting up syncthing right now to see if it'll work as how I want it to (and a friend would like something similar). Currently setting up two older boxes and then will deploy one at a remote site to see how well it performs. Then will add a third node. Ideally I'd like to set up something on a few miniPCs (or even VMs) to keep the operational costs low. But for testing purposes, it should be fine. Technically it is a "cloud" but one that I would have more control over...
Personally, my critical files (eg, scans of sensitive documents or my password file) are encrypted (yes, I am paranoid sometimes) but it still doesn't hurt to take a few extra precautions.