RBAC
AWS Blog: Modeling SaaS Tenant Profiles: Modeling SaaS Tenant Profiles on AWS | AWS Partner Network (APN) Blog
AWS Tenant Isolation Whitepaper: https://d1.awsstatic.com/whitepapers/saas-tenant-isolation-strategies.pdf
https://github.com/kdeldycke/awesome-iam#open-source-policy-frameworks
https://relevant.software/blog/saas-user-management-access-control/