## Relevant articles: - [Spring Security 5 -OAuth2 Login](http://www.baeldung.com/spring-security-5-oauth2-login) - [Extra Login Fields with Spring Security](http://www.baeldung.com/spring-security-extra-login-fields) - [A Custom Spring SecurityConfigurer](http://www.baeldung.com/spring-security-custom-configurer) - [New Password Storage In Spring Security 5](http://www.baeldung.com/spring-security-5-password-storage)