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Cross-account Amazon S3 bulk transfers with enhanced AWS KMS support

Storage Blog



This article provides a comprehensive guide to performing cross-account Amazon S3 bulk transfers with enhanced AWS KMS support using S3 Batch Operations. The solution addresses complex data transfer challenges across multiple AWS accounts, especially for large-scale encrypted file movements.

  • Two primary approaches for cross-account data transfers:
    • Approach A: Using S3 Inventory reports
    • Approach B: Using manually created CSV manifest files
  • Key features include:
  • Enhanced AWS KMS encryption support
  • One-click CloudFormation deployment
  • Comprehensive security configurations
  • Support for transferring billions of objects
  • Deployment options:
    • Automated CloudFormation template
    • Manual setup with step-by-step instructions

The solution provides organizations with a flexible, secure method to transfer large volumes of encrypted data between AWS accounts, addressing common challenges in cross-account data management.



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