A company uses AWS Organizations with all features enabled to manage its accounts.

Configure AWS Resource Access Manager (AWS RAM) to share the backup vault with the recovery account. Create a new backup vault in the recovery account. Encrypt the data by using an AWS managed KMS key. Schedule a copy job in the recovery account to copy the backup vault to the new vault.

Create a new backup vault in the source account and a new backup vault in the recovery account. Encrypt the data by using a multi-Region customer managed KMS key. Redirect the backups to the new backup vault. Configure a key policy statement to allow access to the key from the recovery account. Schedule a cross-account backup plan to the recovery account.

Create an Amazon S3 bucket. Create a new multi-Region customer managed KMS key to encrypt the S3 bucket data. Schedule a copy job from the backup vault that copies the data to the S3 bucket. Configure cross-account access for the recovery account to the S3 bucket. Schedule a second copy job in the recovery account to copy the data from the S3 bucket into the default vault.

Configure AWS DataSync to copy the EFS data to eu-west-1 in the source account. In the recovery account, create a new backup vault. Encrypt the data by using an AWS managed KMS key. In the source account, schedule a cross-account backup plan to the recovery account's vault in eu-west-1.