Showing only posts tagged JWT. Show all posts.

SaaS tenant isolation with ABAC using AWS STS support for tags in JWT

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As independent software vendors (ISVs) shift to a multi-tenant software-as-a-service (SaaS) model, they commonly adopt a shared infrastructure model to achieve cost and operational efficiency. The more ISVs move into a multi-tenant model, the more concern they may have about the potential for one tenant to access the resources …

How to protect HMACs inside AWS KMS

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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 …

Security practices in AWS multi-tenant SaaS environments

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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 …

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

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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 …