Cross Account Role Access

About the Cross Account Role Access

For better understanding this process, please read about the cross account role access:
https://aws.amazon.com/blogs/apn/securely-accessing-customer-aws-accounts-with-cross-account-iam-roles/
https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies-cross-account-resource-access.html
https://docs.aws.amazon.com/IAM/latest/UserGuide/tutorial_cross-account-with-roles.html

Create Cross-Account Role to grant ADT Access to your S3 Bucket

1. Download the CloudFormation Template for the cross-account role.

2. Create a new CloudFormation Stack in AWS CloudFormation Service:

3. Fill the form for creating the stack:

• You can find the external ID and the ADT account ID (MasterAccountName) in the onboarding email.

4. Build the stack.