AWS Storage Blog

Tag: Amazon S3 Bucket Keys

S3 cost optimization

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 […]

S3 cost optimization

Reducing AWS Key Management Service costs by up to 99% with Amazon S3 Bucket Keys

Note: On 1/29/2026, Amazon S3 added support for the UpdateObjectEncryption API letting you change the server-side encryption type of encrypted objects in S3 without any data movement regardless of the object size or storage class. Using S3 Batch Operations, you can use UpdateObjectEncryption at scale to enable S3 Bucket Keys on entire buckets of objects […]

S3 Security

Understanding Amazon S3 Block Public Access

Update (4/27/2023): Amazon S3 now automatically enables S3 Block Public Access and disables S3 access control lists (ACLs) for all new S3 buckets in all AWS Regions. Storing data securely is a key tenet for every business. Companies balance this against the need to share data where and when it’s needed. Human security review is a […]

S3 Security

How Simon Data reduced encryption costs by using Amazon S3 Bucket Keys on existing objects

As more organizations look to operate faster and at scale, they need ways to meet critical compliance requirements and improve data security. Encryption is a critical component of a defense in depth strategy, and when used correctly, can provide an additional layer of protection above basic access control. However, workloads that access millions or billions […]