AWS Storage Blog
Category: Best Practices
Encrypting existing Amazon S3 objects with the AWS CLI
February 5, 2026: Amazon S3 now supports the UpdateObjectEncryption API so you can atomically update the server-side encryption type of existing encrypted objects from server-side encryption with S3 managed encryption (SSE-S3) to server-side encryption with AWS Key Management Service (AWS KMS) encryption keys (SSE-KMS). Read the documentation. Encryption of data at rest is increasingly required […]
Persistent storage for high-performance workloads using Amazon FSx for Lustre
High-performance file systems are often divided into two types: scratch and persistent. Scratch file systems provide temporary storage with high-performance characteristics such as submillisecond latency, up to hundreds of gigabytes per second of throughput, and millions of IOPS for short-term workloads. By contrast, persistent file systems are designed to combine the performance levels of their […]