Learn how to implement identity management for your serverless apps using Amazon Cognito User Pools, Amazon Cognito Federated identities, Amazon API Gateway, AWS Lambda, and AWS Identity and Access Management (IAM).
Sign-up and sign-in. How do you store credentials? Never store passwords in plaintext. It is vulnerable to rogue employees. A hacked DB can result in all the stored passwords being compromised. The use of hashed passwords does not solve problem because of MD5/SHA1 collisions, the use of Rainbow tables (for reversing cryptographic hash functions, usually used for cracking password hashes), and dictionary and brute-force attacks (GPUs are capable of computing ...
