Jetbrains excellent introduction here https://www.youtube.com/playlist?list=PLqq-6Pq4lTTYTEooakHchTGglSvkZAjnE
Intro here https://spring.io/guides/gs/securing-web/
My demo code here https://github.com/vernetto/sbwebsecurity
Intro here https://spring.io/guides/gs/securing-web/
My demo code here https://github.com/vernetto/sbwebsecurity