AWS guidance medium security documentation change
Summary
Updated documentation with new user journey steps, added multi-cloud support details, and linked security-related blog post. Changed framework ownership to AWS Enterprise Support and updated architecture diagram path.
Security assessment
Added explicit guidance for configuring Row Level Security (step 5 in user journey), which directly addresses access control security practices. Also added a link to a security blog post about Amazon Cognito authorization monitoring. These changes provide concrete security documentation improvements.