AWS Cognito provides a sign in and application authentication process using web identity providers such as Google, Facebook, Amazon for mobile, and web applications. It can handle getting millions of users authenticated with an application at once using web identity, along with a temporary token service, and it also lets users get authenticated using enterprise identity providers using SAML 2.0.
Cognito enables users to synchronize data across the devices to give them a seamless experience even when they upgrade the device or switch to a new device.
Let me give a personal example. I am a user of an online banking application. Recently, I upgraded my Android version to Oreo from Nougat. After the upgrade, when I tried to log in to ...
