AWS Storage Blog
Advanced notice: Amazon S3 to disable the use of SSE-C encryption by default for all new buckets and select existing buckets in April 2026
Starting on April 6, 2026, we will be changing how server-side encryption with customer-provided keys (SSE-C) is enabled for Amazon S3 buckets. With this change, SSE-C will be disabled by default on all new S3 general purpose buckets. Furthermore, SSE-C will also be disabled for all existing buckets in Amazon Web Services (AWS) Accounts that […]
Enhance savings for read-heavy workloads with Amazon S3 Bucket Keys
Organizations continue to grow their data lakes in the cloud as they build out new and innovative analytics, machine-learning, and generative AI workloads. At the same time, these workloads often access data that requires compliance with stringent data security and privacy standards. These compliance frameworks typically specify additional requirements for encryption at-rest, which leads customers […]
Reducing AWS Key Management Service costs by up to 99% with Amazon S3 Bucket Keys
Customers across many industries face increasingly stringent audit and compliance requirements on data security and privacy. Certain compliance frameworks, such as FISMA, FEDRAMP, PCI DSS, and SOC 2, have specific regulatory standards for validating the security of systems. A common requirement for these compliance frameworks is more rigorous encryption standards for data-at-rest, where organizations must […]

