S3 Cross-Account Access Without Roles: A Practical, Role-less Approach to Bucket Sharing

https://www.bestbookmarks.win/how-a-12m-adtech-platform-buckled-under-5m-rps-and-a-data-breach

Why role-less cross-account S3 access is worth your time If you run multiple AWS accounts or work with partners, you already know that managing cross-account access with IAM roles is the common pattern