That would work if you kept only backup version. That would be bad-what do you do in case of accidental record deletion or encryption malware detected after a b

That would work if you kept only backup version. That would be bad-what do you do in case of accidental record deletion or encryption malware detected after a backup? Check out e.g. https://www.backblaze.com/blog/the-3-2-1-backup-strategy/ https://www.backblaze.com/blog/the-3-2-1-backup-strategy/