In the event of a global disaster recovery, it's essential we have database backup stored in a different AWS account. Aurora RDS can copy DB backups to a different region or a different account but not both. In addition, cross-account copy is not supported if the Aurora DB cluster is deployed with AWS managed keys. Changing a cluster key requires cluster re-deployment.
For such use case, one of the approach is to use AWS backup
For such use case, one of the approach described in AWS document:
source:
SOCIAL SHARE CARD GENERATOR