Enhanced S3 Inventory Capabilities Now Live in AWS GovCloud (US) Regions
We are delighted to announce a significant enhancement to Amazon Simple Storage Service (S3) Inventory, bringing expanded Access Control List (ACL) support to our valued customers operating within the AWS GovCloud (US) Regions. This update, published on July 15, 2025, at 16:44, further strengthens the ability of government agencies and their partners to gain comprehensive insights into their S3 bucket data and access permissions.
Previously, while S3 Inventory provided valuable data about objects within buckets, the detailed reporting of Access Control Lists (ACLs) was not fully available in the AWS GovCloud (US) Regions. This new feature ensures that customers in these specialized regions can now receive comprehensive S3 Inventory reports that include crucial ACL information for each object.
What does this mean for AWS GovCloud (US) customers?
This advancement provides a more granular and complete view of object-level access permissions, which is particularly vital for organizations operating under strict compliance and security mandates. With this enhanced support, customers can now:
- Gain Deeper Visibility into Access Permissions: Understand precisely who has access to specific objects within your S3 buckets, including read, write, and other permissions granted via ACLs.
- Strengthen Compliance Posture: Facilitate adherence to stringent regulatory requirements by having detailed records of access controls. This aids in audits, risk assessments, and demonstrating compliance with government standards.
- Improve Security Management: Proactively identify and manage potential security risks by reviewing ACL configurations. This allows for quicker identification of over-permissive access and facilitates the implementation of least privilege principles.
- Streamline Data Governance: Enhance your data governance strategy by having a clear and comprehensive inventory of object access, enabling more effective management and control over your data assets.
- Simplify Auditing and Reporting: Generate more thorough and informative reports for internal and external audits, providing a complete picture of data access within your S3 environment.
How S3 Inventory Works
Amazon S3 Inventory provides programmatic access to your S3 buckets for auditing, analysis, or backup. You can configure S3 Inventory to generate daily or weekly lists of your objects and their metadata, delivered as CSV, ORC, or Parquet files. These reports can be delivered to another S3 bucket for further processing and analysis.
The Importance of ACLs in GovCloud
In the context of the AWS GovCloud (US) Regions, where security and compliance are paramount, the ability to precisely manage and audit access is non-negotiable. ACLs, while often superseded by bucket policies for broader access management, still play a role in granular object-level permissions. Having this information readily available through S3 Inventory empowers government entities to maintain a robust security posture and ensure that data is only accessible to authorized personnel and services.
This enhancement underscores Amazon S3’s commitment to providing robust and secure storage solutions tailored to the unique needs of government workloads. We are confident that this expanded ACL support will be a valuable asset for our AWS GovCloud (US) customers, enabling them to better manage, secure, and understand their data.
We encourage all customers in the AWS GovCloud (US) Regions to explore the capabilities of S3 Inventory with this new ACL support. For more information on configuring S3 Inventory, please refer to the official AWS documentation.
Amazon S3 Inventory ACL support is now available in the AWS GovCloud (US) Regions
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