Securing REST with Spring Security OAuth2

In the last section, we learned how to make a basic authorization project. This provides solid security for a project, but it doesn't have the dimension of security required for a complex or enterprise-level project. Since this security can be broken or hacked, we require a more grounded security framework to handle these sorts of hacking. OAuth is one of the best security frameworks – it's exceedingly utilized by Google, Facebook, Twitter, and many other popular platforms. Now we'll learn about OAuth2 and its use.

What is OAuth2?

OAuth is a safe authorization convention, and OAuth2 is the second form of the OAuth protocol. This protocol is called a framework...