diff --git a/spring-security-modules/spring-security-web-mvc-custom/src/main/java/com/baeldung/spring/SecSecurityConfig.java b/spring-security-modules/spring-security-web-mvc-custom/src/main/java/com/baeldung/spring/SecSecurityConfig.java
index 9cee909ad4..d5e83a1110 100644
--- a/spring-security-modules/spring-security-web-mvc-custom/src/main/java/com/baeldung/spring/SecSecurityConfig.java
+++ b/spring-security-modules/spring-security-web-mvc-custom/src/main/java/com/baeldung/spring/SecSecurityConfig.java
@@ -1,56 +1,69 @@
 package com.baeldung.spring;
 
-import com.baeldung.security.MySimpleUrlAuthenticationSuccessHandler;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.security.authentication.AuthenticationManager;
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
 
+import com.baeldung.security.MySimpleUrlAuthenticationSuccessHandler;
+
 @Configuration
 //@ImportResource({ "classpath:webSecurityConfig.xml" })
 @EnableWebSecurity
-public class SecSecurityConfig extends WebSecurityConfigurerAdapter {
+public class SecSecurityConfig {
 
-    public SecSecurityConfig() {
-        super();
+    @Bean
+    public AuthenticationManager authenticationManager(HttpSecurity http) throws Exception {
+        return http.getSharedObject(AuthenticationManagerBuilder.class)
+            .build();
     }
 
-    @Bean("authenticationManager")
-    @Override
-    public AuthenticationManager authenticationManagerBean() throws Exception {
-            return super.authenticationManagerBean();
+    @Bean
+    public InMemoryUserDetailsManager userDetailsService() {
+        UserDetails user = User.withUsername("user1")
+            .password("{noop}user1Pass")
+            .authorities("ROLE_USER")
+            .build();
+        UserDetails admin = User.withUsername("admin1")
+            .password("{noop}admin1Pass")
+            .authorities("ROLE_ADMIN")
+            .build();
+        return new InMemoryUserDetailsManager(user, admin);
     }
 
-    @Override
-    protected void configure(final HttpSecurity http) throws Exception {
-        // @formatter:off
-        http
-            .authorizeRequests()
-                .antMatchers("/anonymous*").anonymous()
-                .antMatchers("/login*").permitAll()
-                .anyRequest().authenticated()
-
+    @Bean
+    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
+        http.authorizeRequests()
+            .antMatchers("/anonymous*")
+            .anonymous()
+            .antMatchers("/login*")
+            .permitAll()
+            .anyRequest()
+            .authenticated()
             .and()
             .formLogin()
-                .loginPage("/login.html")
-                .loginProcessingUrl("/login")
-                .successHandler(myAuthenticationSuccessHandler())
-                .failureUrl("/login.html?error=true")
-
+            .loginPage("/login.html")
+            .loginProcessingUrl("/login")
+            .successHandler(myAuthenticationSuccessHandler())
+            .failureUrl("/login.html?error=true")
             .and()
-                .logout().deleteCookies("JSESSIONID")
-
+            .logout()
+            .deleteCookies("JSESSIONID")
             .and()
-                .rememberMe().key("uniqueAndSecret").tokenValiditySeconds(86400)
-
+            .rememberMe()
+            .key("uniqueAndSecret")
+            .tokenValiditySeconds(86400)
             .and()
-                .csrf().disable()
-            ;
-        // @formatter:on
+            .csrf()
+            .disable();
+        return http.build();
     }
 
     @Bean
diff --git a/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/ManualSecurityConfig.java b/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/ManualSecurityConfig.java
index 438cec38bb..d2553ac2a8 100644
--- a/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/ManualSecurityConfig.java
+++ b/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/ManualSecurityConfig.java
@@ -6,52 +6,60 @@ import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
-import org.springframework.security.config.annotation.web.builders.WebSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityCustomizer;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.web.SecurityFilterChain;
 
 @Configuration
 @EnableWebSecurity
 @EnableGlobalMethodSecurity(prePostEnabled = true)
-public class ManualSecurityConfig extends WebSecurityConfigurerAdapter {
+public class ManualSecurityConfig {
 
-    public ManualSecurityConfig() {
-        super();
+    @Bean
+    public InMemoryUserDetailsManager userDetailsService() {
+        UserDetails user = User.withUsername("user1")
+            .password("{noop}user1Pass")
+            .authorities("ROLE_USER")
+            .build();
+        UserDetails admin = User.withUsername("admin")
+            .password("adminPass")
+            .authorities("ROLE_ADMIN")
+            .build();
+        return new InMemoryUserDetailsManager(user, admin);
     }
 
-    // java config
-
-    @Override
-    protected void configure(final AuthenticationManagerBuilder auth) throws Exception {
-        auth.inMemoryAuthentication().withUser("user1").password("{noop}user1Pass").authorities("ROLE_USER").and().withUser("admin").password("adminPass").authorities("ROLE_ADMIN");
+    @Bean
+    public WebSecurityCustomizer webSecurityCustomizer() {
+        return (web) -> web.ignoring()
+            .antMatchers("/resources/**");
     }
 
-    @Override
-    public void configure(final WebSecurity web) throws Exception {
-        web.ignoring().antMatchers("/resources/**");
-    }
-    
-    @Bean("authenticationManager")
-    @Override
-    public AuthenticationManager authenticationManagerBean() throws Exception {
-        return super.authenticationManagerBean();
+    @Bean
+    public AuthenticationManager authenticationManager(HttpSecurity http) throws Exception {
+        return http.getSharedObject(AuthenticationManagerBuilder.class)
+            .build();
     }
 
-    @Override
-    protected void configure(final HttpSecurity http) throws Exception {
-        // @formatter:off
-        http
-        .authorizeRequests()
-        .mvcMatchers("/custom/login").permitAll()
-        .anyRequest().authenticated()
-        .and()
-        .httpBasic()
-        .and()
-        .headers().cacheControl().disable()
-        .and()
-        .csrf().disable()
-        ;
-        // @formatter:on
+    @Bean
+    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
+        http.authorizeRequests()
+            .mvcMatchers("/custom/login")
+            .permitAll()
+            .anyRequest()
+            .authenticated()
+            .and()
+            .httpBasic()
+            .and()
+            .headers()
+            .cacheControl()
+            .disable()
+            .and()
+            .csrf()
+            .disable();
+        return http.build();
     }
 
 }
diff --git a/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/SecurityWithCsrfConfig.java b/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/SecurityWithCsrfConfig.java
index 4ec7a50abc..a1a7c8bc54 100644
--- a/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/SecurityWithCsrfConfig.java
+++ b/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/SecurityWithCsrfConfig.java
@@ -6,57 +6,57 @@ import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
-import org.springframework.security.config.annotation.web.builders.WebSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityCustomizer;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.web.SecurityFilterChain;
 
 @Configuration
 @EnableWebSecurity
 @EnableGlobalMethodSecurity(prePostEnabled = true)
-public class SecurityWithCsrfConfig extends WebSecurityConfigurerAdapter {
+public class SecurityWithCsrfConfig {
 
-    public SecurityWithCsrfConfig() {
-        super();
+    @Bean
+    public AuthenticationManager authenticationManager(HttpSecurity http) throws Exception {
+        return http.getSharedObject(AuthenticationManagerBuilder.class)
+            .build();
     }
 
-    @Bean("authenticationManager")
-    @Override
-    public AuthenticationManager authenticationManagerBean() throws Exception {
-            return super.authenticationManagerBean();
+    @Bean
+    public InMemoryUserDetailsManager userDetailsService() {
+        UserDetails user = User.withUsername("user1")
+            .password("user1Pass")
+            .authorities("ROLE_USER")
+            .build();
+        UserDetails admin = User.withUsername("admin")
+            .password("adminPass")
+            .authorities("ROLE_ADMIN")
+            .build();
+        return new InMemoryUserDetailsManager(user, admin);
     }
 
-    @Override
-    protected void configure(final AuthenticationManagerBuilder auth) throws Exception {
-        // @formatter:off
-        auth
-        .inMemoryAuthentication()
-        .withUser("user1")
-        .password("user1Pass")
-        .authorities("ROLE_USER")
-        .and()
-        .withUser("admin")
-        .password("adminPass")
-        .authorities("ROLE_ADMIN");
-        // @formatter:on
+    @Bean
+    public WebSecurityCustomizer webSecurityCustomizer() {
+        return (web) -> web.ignoring()
+            .antMatchers("/resources/**");
     }
 
-    @Override
-    public void configure(final WebSecurity web) throws Exception {
-        web.ignoring().antMatchers("/resources/**");
-    }
-
-    @Override
-    protected void configure(final HttpSecurity http) throws Exception {
-        // @formatter:off
-        http
-        .authorizeRequests()
-        .antMatchers("/auth/admin/*").hasAnyRole("ROLE_ADMIN")
-        .anyRequest().authenticated()
-        .and()
-        .httpBasic()
-        .and()
-        .headers().cacheControl().disable();
-        // @formatter:on
+    @Bean
+    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
+        http.authorizeRequests()
+            .antMatchers("/auth/admin/*")
+            .hasAnyRole("ROLE_ADMIN")
+            .anyRequest()
+            .authenticated()
+            .and()
+            .httpBasic()
+            .and()
+            .headers()
+            .cacheControl()
+            .disable();
+        return http.build();
     }
 
 }
diff --git a/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/SecurityWithCsrfCookieConfig.java b/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/SecurityWithCsrfCookieConfig.java
index 5b58349629..a34fa4c704 100644
--- a/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/SecurityWithCsrfCookieConfig.java
+++ b/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/SecurityWithCsrfCookieConfig.java
@@ -6,62 +6,62 @@ import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
-import org.springframework.security.config.annotation.web.builders.WebSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityCustomizer;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.csrf.CookieCsrfTokenRepository;
 
 @Configuration
 @EnableWebSecurity
 @EnableGlobalMethodSecurity(prePostEnabled = true)
-public class SecurityWithCsrfCookieConfig extends WebSecurityConfigurerAdapter {
+public class SecurityWithCsrfCookieConfig {
 
-    public SecurityWithCsrfCookieConfig() {
-        super();
+    @Bean
+    public AuthenticationManager authenticationManager(HttpSecurity http) throws Exception {
+        return http.getSharedObject(AuthenticationManagerBuilder.class)
+            .build();
     }
 
-    @Bean("authenticationManager")
-    @Override
-    public AuthenticationManager authenticationManagerBean() throws Exception {
-            return super.authenticationManagerBean();
+    @Bean
+    public InMemoryUserDetailsManager userDetailsService() {
+        UserDetails user = User.withUsername("user1")
+            .password("user1Pass")
+            .authorities("ROLE_USER")
+            .build();
+        UserDetails admin = User.withUsername("admin")
+            .password("adminPass")
+            .authorities("ROLE_ADMIN")
+            .build();
+        return new InMemoryUserDetailsManager(user, admin);
     }
 
-    @Override
-    protected void configure(final AuthenticationManagerBuilder auth) throws Exception {
-        // @formatter:off
-        auth
-        .inMemoryAuthentication()
-        .withUser("user1")
-        .password("user1Pass")
-        .authorities("ROLE_USER")
-        .and()
-        .withUser("admin")
-        .password("adminPass")
-        .authorities("ROLE_ADMIN");
-        // @formatter:on
+    @Bean
+    public WebSecurityCustomizer webSecurityCustomizer() {
+        return (web) -> web.ignoring()
+            .antMatchers("/resources/**");
     }
 
-    @Override
-    public void configure(final WebSecurity web) throws Exception {
-        web.ignoring().antMatchers("/resources/**");
-    }
-
-    @Override
-    protected void configure(final HttpSecurity http) throws Exception {
-        // @formatter:off
-        http
-        .authorizeRequests()
-        .antMatchers("/auth/admin/*").hasAnyRole("ROLE_ADMIN")
-        .anyRequest().authenticated()
-        .and()
-        .httpBasic()
-        .and()
-        .headers().cacheControl().disable()
-        // Stateless API CSRF configuration
-        .and()
-        .csrf()
-        .csrfTokenRepository(CookieCsrfTokenRepository.withHttpOnlyFalse());
-        // @formatter:on
+    @Bean
+    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
+        http.authorizeRequests()
+            .antMatchers("/auth/admin/*")
+            .hasAnyRole("ROLE_ADMIN")
+            .anyRequest()
+            .authenticated()
+            .and()
+            .httpBasic()
+            .and()
+            .headers()
+            .cacheControl()
+            .disable()
+            // Stateless API CSRF configuration
+            .and()
+            .csrf()
+            .csrfTokenRepository(CookieCsrfTokenRepository.withHttpOnlyFalse());
+        return http.build();
     }
 
 }
diff --git a/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/SecurityWithoutCsrfConfig.java b/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/SecurityWithoutCsrfConfig.java
index bd9ca67ad5..20df0f4d6d 100644
--- a/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/SecurityWithoutCsrfConfig.java
+++ b/spring-security-modules/spring-security-web-mvc-custom/src/test/java/com/baeldung/security/spring/SecurityWithoutCsrfConfig.java
@@ -6,59 +6,60 @@ import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
-import org.springframework.security.config.annotation.web.builders.WebSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
-import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityCustomizer;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.web.SecurityFilterChain;
 
 @Configuration
 @EnableWebSecurity
 @EnableGlobalMethodSecurity(prePostEnabled = true)
-public class SecurityWithoutCsrfConfig extends WebSecurityConfigurerAdapter {
+public class SecurityWithoutCsrfConfig {
 
-    public SecurityWithoutCsrfConfig() {
-        super();
+    @Bean
+    public AuthenticationManager authenticationManager(HttpSecurity http) throws Exception {
+        return http.getSharedObject(AuthenticationManagerBuilder.class)
+            .build();
     }
 
-    @Bean("authenticationManager")
-    @Override
-    public AuthenticationManager authenticationManagerBean() throws Exception {
-            return super.authenticationManagerBean();
+    @Bean
+    public InMemoryUserDetailsManager userDetailsService() {
+        UserDetails user = User.withUsername("user1")
+            .password("user1Pass")
+            .authorities("ROLE_USER")
+            .build();
+        UserDetails admin = User.withUsername("admin")
+            .password("adminPass")
+            .authorities("ROLE_ADMIN")
+            .build();
+        return new InMemoryUserDetailsManager(user, admin);
     }
 
-    @Override
-    protected void configure(final AuthenticationManagerBuilder auth) throws Exception {
-        // @formatter:off
-        auth
-        .inMemoryAuthentication()
-        .withUser("user1")
-        .password("user1Pass")
-        .authorities("ROLE_USER")
-        .and()
-        .withUser("admin")
-        .password("adminPass")
-        .authorities("ROLE_ADMIN");
-        // @formatter:on
+    @Bean
+    public WebSecurityCustomizer webSecurityCustomizer() {
+        return (web) -> web.ignoring()
+            .antMatchers("/resources/**");
     }
 
-    @Override
-    public void configure(final WebSecurity web) throws Exception {
-        web.ignoring().antMatchers("/resources/**");
-    }
-
-    @Override
-    protected void configure(final HttpSecurity http) throws Exception {
-        // @formatter:off
-        http
-        .authorizeRequests()
-        .antMatchers("/auth/admin/*").hasAnyRole("ROLE_ADMIN")
-        .anyRequest().authenticated()
-        .and()
-        .httpBasic()
-        .and()
-        .headers().cacheControl().disable()
-        .and()
-        .csrf().disable();
-        // @formatter:on
+    @Bean
+    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
+        http.authorizeRequests()
+            .antMatchers("/auth/admin/*")
+            .hasAnyRole("ROLE_ADMIN")
+            .anyRequest()
+            .authenticated()
+            .and()
+            .httpBasic()
+            .and()
+            .headers()
+            .cacheControl()
+            .disable()
+            .and()
+            .csrf()
+            .disable();
+        return http.build();
     }
 
 }