Copy an automated RDS snapshot to the security account using the copy-db-snapshot command with the AWS CLI.

Create an RDS MySQL Read Replica for the critical database in the security account, then enable automatic backups for the Read Replica.

Create an RDS snapshot with the AWS CLI create-db-snapshot command, share it with the security account, then create a copy of the shared snapshot in the security account.

Use AWS DMS to replicate data from the critical database to another RDS MySQL instance in the security account, then use an automated backup for the RDS instance.

Deploy the solution to memory-optimized EC2 instances, and use the CloudWatch MemoryUtilization metric

Enable the Memory Monitoring option by using AWS Config

Install the AWS Systems Manager agent on the applicable EC2 instances to monitor memory

Monitor memory by using a script within the instance, and send it to CloudWatch as a custom metric

Copy the source region’s Amazon Machine Image (AMI) to the destination region and assign it the same ID.

Edit the AWS CloudFormation template to specify the region code as part of the fully qualified AMI ID.

Edit the AWS CloudFormation template to offer a drop-down list of all AMIs to the user by using the AWS: :EC2: :AMI: :ImageID control.

Modify the AWS CloudFormation template by including the AMI IDs in the “Mappings” section. Refer to the proper mapping within the template for the proper AMI ID.