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Cake day: June 16th, 2023

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  • It’s not that they’re especially fragile. It’s really only when you combine them with a sync process. I once had a sync go wrong and it resulted in the contents of a vault being unreadable. Because all you have are a bunch of encrypted files with meaningless names and a flattish structure, which Cryptomator interprets and mounts as a different directory structure, when something goes wrong it’s not easy to know where in the vault files the problem lies. You can’t say “ah, I’m missing the documents folder so I’ll restore that one from backup” like you could with an unencrypted directory. And if you’ve made changes since the last vault backup you can’t just restore the whole vault either. You could mount a backup of the vault, from a time when it was intact, and then copy files across into your live copy, but I feel safer having a copy in another format somewhere else. Not necessary, I guess, but it can make recovery easier.


  • It depends how the backup is encrypted. Most backup solutions will give you an encryption key, or a password to a key, that you have to keep safely and securely somewhere else. If you have an online password manager or a Keepass database in cloud storage, that would be a reasonable place to keep the key. Or on a USB stick (preferably more than one because they can fail) or a piece of paper which you mustn’t lose.



  • Cryptomator is good but it’s important also to keep backups of the unencrypted content of the Cryptomator vault that are not encrypted by Cryptomator. (You could encrypt the backups with another system.) Cryptomator vaults are more fragile than the underlying file system, and it’s easier for a glitch in the sync process to corrupt them so they’re unrecoverable. I have lost data due to this in the past. So it’s best to make sure all the contents of your vaults also exist somewhere else, encrypted in another way.