099 | AWS Cognito and Microsoft Entra ID: Authentication Giants
2025-09-01
AWS Cognito and Microsoft Entra ID: Authentication as Part of the Ecosystem
Introduction
If Auth0 is the “hired expert” for authentication, then AWS Cognito and Microsoft Entra ID are the “system engineers” from tech giants. These services don’t just solve login — they are deeply integrated into their ecosystems and work best when you’re already using the cloud that created them.
AWS Cognito: Authentication for AWS-Native Applications
The Big Promise: AWS claims that Cognito is the “gateway” for your users into AWS. It’s designed to seamlessly integrate with other AWS services, such as Lambda for business logic or API Gateway for building APIs.