you can read this guide to get started and building things https://spring.io/guides/gs/securing-web/

Youtube resource to watch : https://www.youtube.com/watch?v=I0poT4UxFxE&list=PLqq-6Pq4lTTYTEooakHchTGglSvkZAjnE&index=2

Udemy course to follow: Spring Security 6 , SpringBoot 3 Security, CORs, CSRF, JWT, OAUTH2, OpenID Connect, KeyCloak by eazyBytes

we have move towards

 @Bean
    SecurityFilterChain defaultSecurityFilterChain(HttpSecurity http) throws Exception {
        http.csrf((csrf) -> csrf.disable())
                .authorizeHttpRequests((requests)->requests
                        .requestMatchers("/myAccount","/myBalance","/myLoans","/myCards").authenticated()
                        .requestMatchers("/notices","/contact","/register").permitAll())
                .formLogin(Customizer.withDefaults())
                .httpBasic(Customizer.withDefaults());
        return http.build();
    }

Why to follow this format as this gives us better indentation.