Safely Validating Usernames with Amazon Cognito

1 · Amazon Web Services · April 18, 2019, 4:56 p.m.
Guest post by AWS Community Hero Larry Ogrodnek. Larry is an independent consultant focused on cloud architecture, DevOps, serverless, and general software development on AWS. He’s always ready to talk about AWS over coffee, and enjoys development and helping other developers. How are users identified in your system? Username? Email? Is it important that they’re […]...