AWS Security Blog

Tag: JWT

How to protect HMACs inside AWS KMS

April 20, 2022: In the section “Use the HMAC key to encode a signed JWT,” we fixed an error in the code sample. Today AWS Key Management Service (AWS KMS) is introducing new APIs to generate and verify hash-based message authentication codes (HMACs) using the Federal Information Processing Standard (FIPS) 140-2 validated hardware security modules […]

Read More
Security Practices in AWS Multi-Tenant SaaS Environments

Security practices in AWS multi-tenant SaaS environments

Securing software-as-a-service (SaaS) applications is a top priority for all application architects and developers. Doing so in an environment shared by multiple tenants can be even more challenging. Identity frameworks and concepts can take time to understand, and forming tenant isolation in these environments requires deep understanding of different tools and services. While security is […]

Read More

Building fine-grained authorization using Amazon Cognito, API Gateway, and IAM

June 5, 2021: We’ve updated Figure 1: User request flow. Authorizing functionality of an application based on group membership is a best practice. If you’re building APIs with Amazon API Gateway and you need fine-grained access control for your users, you can use Amazon Cognito. Amazon Cognito allows you to use groups to create a […]

Read More