Michael Boutin

Amazon Cognito - Customer Identity and Access Management - Machine Identity and Access Management

aws.amazon.com

Implement customer identity and access management (CIAM) that scales to millions of users with Amazon Cognito, fully managed authentication service.

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Pros

  • +Processes 100B+ authentications/month with high scalability and reliability
  • +Supports passwordless login, social IdPs, WebAuthn passkeys, and MFA
  • +Unified auth for human users, AI agents, and microservices in one service
  • +Tight integration with AWS ecosystem including Bedrock, S3, DynamoDB, Lambda

Cons

  • −Primarily AWS-native, creating potential vendor lock-in
  • −Pricing can become complex at scale with M2M and MAU-based billing
  • −Advanced customization may require Lambda triggers and additional coding

About this tool

AI-generated

Amazon Cognito is a fully managed customer identity and access management (CIAM) service from AWS that handles authentication and authorization for human users, AI agents, and microservices. It supports passwordless login, social identity providers, multi-tenancy, and OAuth 2.0 flows. Processing over 100 billion authentications monthly, it integrates tightly with the broader AWS ecosystem.

Rating★★★★☆(4/5)

Review

Good and affordable, but it feels dated in places and some authentication flows require extra work to implement cleanly.