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 (HSMs) in AWS KMS. HMACs are a powerful cryptographic building block that incorporate secret key material in …

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 …

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 collection of users …