# Document history
<a name="doc-history"></a>

The following table describes significant changes to this guide.


| 
| 
| **Change** | **Description** | **Date** | 
| --- |--- |--- |
| Cryptography updates | We updated the [AWS approach to cryptography](aws-cryptography-services.md) chapter. | February 17, 2026 | 
| Algorithm updates | We updated the [Cryptographic algorithms](aws-cryptography-services.md#algorithms) section. | January 23, 2026 | 
| Algorithm and encryption in transit updates | We updated the [About cryptographic algorithms](aws-cryptography-services.md#algorithms) section and the [Encryption of data in transit](general-encryption-best-practices.md#encryption-of-data-in-transit) section. | October 28, 2025 | 
| Algorithm updates | We add information about cryptography algorithms to the [Cryptography algorithms and AWS services](aws-cryptography-services.md) section. | June 18, 2025 | 
| Amazon EKS updates | We updated the encryption best practices for Amazon Elastic Kubernetes Service (Amazon EKS). | January 7, 2025 | 
| Secrets Manager updates | We updated the information and recommendations for AWS Secrets Manager. | September 9, 2024 | 
| AWS service updates | We updated the information and recommendations for Amazon EKS, AWS Encryption SDK, Amazon Relational Database Service (Amazon RDS), and Amazon Simple Storage Service (Amazon S3). | September 4, 2024 | 
| Initial publication | — | December 2, 2022 |