With version 4.1, N2WS Backup & Recovery supports immutable backups and object lock for S3. Watch this video to learn how to configure this and setup a policy in N2WS.
TIP: If you haven’t yet configured the cpmdata policy, then please follow this video on how to setup N2WS to backup itself, first.
If you’re new to N2WS, you can set up a free trial and get $100 in AWS credits by going here: https://get.n2ws.com/free-trial-promo