During Web or App Development, users' authentication and permission processing are a very important module, including user registration, login authentication, and management corresponding permissions. In addition to the username password login, it is also very important to log in through third-party social account. It is mainly Google, Facebook or Apple Login, etc., which is mainly WeChat, Weibo login, etc.

Identity authentication and authorization implementation are complicated, so the Cognito service is provided on the AWS cloud to help developers are faster and safer to access user registration / login and access control functions. The Cognito service allows companies to spend more energy on the core business, pay attention to innovation, income, not too much attention to identity authentication and authorization-related underlying technical details.