After deploying the functionality of Customer zone, it was time to check the backups.
There is already a snapshot in place every day.
Additionally, all databases are backupped every night at 03:00 and send to a remote secure location at 04:00.
Data retention is max 61 days, since i use the rotating day paradigm where a backup is stored to the folder: backup\sql\servername@serverip\{currentDayOfMonth} and not all days have 31 days :)
The next "devops-day" will be to address encrypted backups. I already did some exploration and i'll need a certificate to do this. The problem is that i don't want the certificate to be accessible on a location accessible to the server.
So i will have to figure this out then.