Migrating to AWS Cloud? You may want to look at: AWS Cloud Adoption Framework
https://aws.amazon.com/professional-services/CAF/
This framework is delivered with details at a perspective level:
Business Perspective
People Perspective
Governance Perspective
Platform Perspective
Security Perspective
Operations Perspective
Resources Perspective
Here’s a white paper on the Security Perspective (only):
https://d1.awsstatic.com/whitepapers/AWS_CAF_Security_Perspective.pdf