diff --git a/build.gradle b/build.gradle
index 89aeeb7..4a7a1ae 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,14 +13,12 @@ repositories {
 }
 
 dependencies {
-    implementation 'org.springframework.boot:spring-boot-starter-security'
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.apache.tomcat.embed:tomcat-embed-jasper'
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     runtimeOnly 'com.h2database:h2'
 
     testImplementation 'org.springframework.boot:spring-boot-starter-test'
-    testImplementation 'org.springframework.security:spring-security-test'
 }
 
 tasks.named('test') {
diff --git a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/config/AdminAuthorize.java b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/config/AdminAuthorize.java
deleted file mode 100644
index ddc81e5..0000000
--- a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/config/AdminAuthorize.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.nahwasa.springsecuritybasicsettingforspringboot3.config;
-
-import org.springframework.security.access.prepost.PreAuthorize;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-@Target({ ElementType.METHOD, ElementType.TYPE })
-@Retention(RetentionPolicy.RUNTIME)
-@PreAuthorize("hasAnyRole('ADMIN')")
-public @interface AdminAuthorize {
-}
diff --git a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/config/MyUserDetailService.java b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/config/MyUserDetailService.java
deleted file mode 100644
index 6b4d315..0000000
--- a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/config/MyUserDetailService.java
+++ /dev/null
@@ -1,34 +0,0 @@
-package com.nahwasa.springsecuritybasicsettingforspringboot3.config;
-
-import com.nahwasa.springsecuritybasicsettingforspringboot3.domain.Member;
-import com.nahwasa.springsecuritybasicsettingforspringboot3.service.MemberService;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.security.core.userdetails.User;
-import org.springframework.security.core.userdetails.UserDetails;
-import org.springframework.security.core.userdetails.UserDetailsService;
-import org.springframework.security.core.userdetails.UsernameNotFoundException;
-import org.springframework.stereotype.Component;
-
-import java.util.Optional;
-
-@Component
-public class MyUserDetailService implements UserDetailsService {
-    private final MemberService memberService;
-
-    @Autowired
-    public MyUserDetailService(MemberService memberService) {
-        this.memberService = memberService;
-    }
-
-    @Override
-    public UserDetails loadUserByUsername(String insertedUserId) throws UsernameNotFoundException {
-        Optional<Member> findOne = memberService.findOne(insertedUserId);
-        Member member = findOne.orElseThrow(() -> new UsernameNotFoundException("없는 회원입니다 ㅠ"));
-
-        return User.builder()
-                .username(member.getUserid())
-                .password(member.getPw())
-                .roles(member.getRoles())
-                .build();
-    }
-}
diff --git a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/config/SpringSecurityConfig.java b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/config/SpringSecurityConfig.java
deleted file mode 100644
index a060d31..0000000
--- a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/config/SpringSecurityConfig.java
+++ /dev/null
@@ -1,43 +0,0 @@
-package com.nahwasa.springsecuritybasicsettingforspringboot3.config;
-
-import jakarta.servlet.DispatcherType;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
-import org.springframework.security.config.annotation.web.builders.HttpSecurity;
-import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
-import org.springframework.security.crypto.password.PasswordEncoder;
-import org.springframework.security.web.SecurityFilterChain;
-
-import static org.springframework.security.config.Customizer.withDefaults;
-
-@Configuration
-@EnableMethodSecurity
-public class SpringSecurityConfig {
-
-    @Bean
-    public PasswordEncoder passwordEncoder() {
-        return new BCryptPasswordEncoder();
-    }
-
-    @Bean
-    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
-        http.csrf().disable().cors().disable()
-                .authorizeHttpRequests(request -> request
-                        .dispatcherTypeMatchers(DispatcherType.FORWARD).permitAll()
-                        .requestMatchers("/status", "/images/**", "/view/join", "/auth/join").permitAll()
-                        .anyRequest().authenticated()
-                )
-                .formLogin(login -> login
-                        .loginPage("/view/login")
-                        .loginProcessingUrl("/login-process")
-                        .usernameParameter("userid")
-                        .passwordParameter("pw")
-                        .defaultSuccessUrl("/view/dashboard", true)
-                        .permitAll()
-                )
-                .logout(withDefaults());
-
-        return http.build();
-    }
-}
\ No newline at end of file
diff --git a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/config/UserAuthorize.java b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/config/UserAuthorize.java
deleted file mode 100644
index c75b3a5..0000000
--- a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/config/UserAuthorize.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.nahwasa.springsecuritybasicsettingforspringboot3.config;
-
-import org.springframework.security.access.prepost.PreAuthorize;
-
-import java.lang.annotation.ElementType;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.lang.annotation.Target;
-
-@Target({ ElementType.METHOD, ElementType.TYPE })
-@Retention(RetentionPolicy.RUNTIME)
-@PreAuthorize("hasAnyRole('USER')")
-public @interface UserAuthorize {
-}
diff --git a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/controller/AuthorizationController.java b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/controller/AuthorizationController.java
index b552b6d..b64538b 100644
--- a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/controller/AuthorizationController.java
+++ b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/controller/AuthorizationController.java
@@ -11,14 +11,12 @@
 @RestController
 @RequestMapping("/auth")
 public class AuthorizationController {
-
     private final RegisterMemberService registerMemberService;
 
     public AuthorizationController(RegisterMemberService registerMemberService) {
         this.registerMemberService = registerMemberService;
     }
 
-
     @PostMapping("/join")
     public ResponseEntity<String> join(@RequestBody MemberJoinDto dto) {
         try {
diff --git a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/controller/LoginController.java b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/controller/LoginController.java
new file mode 100644
index 0000000..e95856e
--- /dev/null
+++ b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/controller/LoginController.java
@@ -0,0 +1,30 @@
+package com.nahwasa.springsecuritybasicsettingforspringboot3.controller;
+
+import com.nahwasa.springsecuritybasicsettingforspringboot3.dto.MemberLoginDto;
+import com.nahwasa.springsecuritybasicsettingforspringboot3.service.MemberService;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+@RequestMapping("/")
+public class LoginController {
+    private final MemberService memberService;
+
+    public LoginController(MemberService memberService) {
+        this.memberService = memberService;
+    }
+
+    @PostMapping("/login-process")
+    public String login(MemberLoginDto dto) {
+        boolean isValidMember = memberService.isValidMember(dto.getUserid(), dto.getPw());
+        if (isValidMember)
+            return "dashboard";
+        return "login";
+    }
+
+    @PostMapping("/logout")
+    public String logout() {
+        return "login";
+    }
+}
diff --git a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/controller/ViewController.java b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/controller/ViewController.java
index 9902b7c..572fe9f 100644
--- a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/controller/ViewController.java
+++ b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/controller/ViewController.java
@@ -1,9 +1,5 @@
 package com.nahwasa.springsecuritybasicsettingforspringboot3.controller;
 
-import com.nahwasa.springsecuritybasicsettingforspringboot3.config.AdminAuthorize;
-import com.nahwasa.springsecuritybasicsettingforspringboot3.config.UserAuthorize;
-import org.springframework.security.core.annotation.AuthenticationPrincipal;
-import org.springframework.security.core.userdetails.User;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -24,20 +20,16 @@ public String joinPage() {
     }
 
     @GetMapping("/dashboard")
-    public String dashboardPage(@AuthenticationPrincipal User user, Model model) {
-        model.addAttribute("loginId", user.getUsername());
-        model.addAttribute("loginRoles", user.getAuthorities());
+    public String dashboardPage(Model model) {
         return "dashboard";
     }
 
     @GetMapping("/setting/admin")
-    @AdminAuthorize
     public String adminSettingPage() {
         return "admin_setting";
     }
 
     @GetMapping("/setting/user")
-    @UserAuthorize
     public String userSettingPage() {
         return "user_setting";
     }
diff --git a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/domain/Member.java b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/domain/Member.java
index 988e372..636efc0 100644
--- a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/domain/Member.java
+++ b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/domain/Member.java
@@ -1,7 +1,6 @@
 package com.nahwasa.springsecuritybasicsettingforspringboot3.domain;
 
 import jakarta.persistence.*;
-import org.springframework.security.crypto.password.PasswordEncoder;
 
 @Entity
 public class Member {
@@ -25,8 +24,8 @@ private Member(Long id, String userid, String pw, String roleUser) {
 
     protected Member() {}
 
-    public static Member createUser(String userId, String pw, PasswordEncoder passwordEncoder) {
-        return new Member(null, userId, passwordEncoder.encode(pw), "USER");
+    public static Member createUser(String userId, String pw) {
+        return new Member(null, userId, pw, "USER");
     }
 
     public Long getId() {
diff --git a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/dto/MemberLoginDto.java b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/dto/MemberLoginDto.java
new file mode 100644
index 0000000..1210e5a
--- /dev/null
+++ b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/dto/MemberLoginDto.java
@@ -0,0 +1,23 @@
+package com.nahwasa.springsecuritybasicsettingforspringboot3.dto;
+
+public class MemberLoginDto {
+
+    private String userid;
+    private String pw;
+
+    public String getUserid() {
+        return userid;
+    }
+
+    public void setUserid(String userid) {
+        this.userid = userid;
+    }
+
+    public String getPw() {
+        return pw;
+    }
+
+    public void setPw(String pw) {
+        this.pw = pw;
+    }
+}
diff --git a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/service/MemberService.java b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/service/MemberService.java
index 999310d..c2e7314 100644
--- a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/service/MemberService.java
+++ b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/service/MemberService.java
@@ -19,4 +19,12 @@ public MemberService(MemberRepository repository) {
     public Optional<Member> findOne(String userId) {
         return repository.findByUserid(userId);
     }
+
+    public boolean isValidMember(String userId, String password) {
+        Optional<Member> member = findOne(userId);
+        if (member.isPresent()) {
+            return member.get().getPw().equals(password);
+        }
+        return false;
+    }
 }
diff --git a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/service/RegisterMemberService.java b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/service/RegisterMemberService.java
index 636cfca..b776918 100644
--- a/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/service/RegisterMemberService.java
+++ b/src/main/java/com/nahwasa/springsecuritybasicsettingforspringboot3/service/RegisterMemberService.java
@@ -3,22 +3,19 @@
 import com.nahwasa.springsecuritybasicsettingforspringboot3.domain.Member;
 import com.nahwasa.springsecuritybasicsettingforspringboot3.repository.MemberRepository;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 
 @Service
 public class RegisterMemberService {
-    private final PasswordEncoder passwordEncoder;
     private final MemberRepository repository;
 
     @Autowired
-    public RegisterMemberService(PasswordEncoder passwordEncoder, MemberRepository repository) {
-        this.passwordEncoder = passwordEncoder;
+    public RegisterMemberService(MemberRepository repository) {
         this.repository = repository;
     }
 
     public Long join(String userid, String pw) {
-        Member member = Member.createUser(userid, pw, passwordEncoder);
+        Member member = Member.createUser(userid, pw);
         validateDuplicateMember(member);
         repository.save(member);
 
diff --git a/src/main/resources/data.sql b/src/main/resources/data.sql
index ea7af6c..5566c47 100644
--- a/src/main/resources/data.sql
+++ b/src/main/resources/data.sql
@@ -1,2 +1,2 @@
-insert into member(userid, pw, roles) values ('nahwasa', '$2a$12$jcKXsj4ZAIkGgZdnUQ6EcOduMlurEtX7Szjhr.kQp2iQXNucjZMI6', 'ADMIN');
-insert into member(userid, pw, roles) values ('user', '$2a$12$jcKXsj4ZAIkGgZdnUQ6EcOduMlurEtX7Szjhr.kQp2iQXNucjZMI6', 'USER');
\ No newline at end of file
+insert into member(userid, pw, roles) values ('nahwasa', '1234', 'ADMIN');
+insert into member(userid, pw, roles) values ('user', '1234', 'USER');
\ No newline at end of file
diff --git a/src/main/webapp/WEB-INF/views/dashboard.jsp b/src/main/webapp/WEB-INF/views/dashboard.jsp
index 2fb9eeb..0112a25 100644
--- a/src/main/webapp/WEB-INF/views/dashboard.jsp
+++ b/src/main/webapp/WEB-INF/views/dashboard.jsp
@@ -16,13 +16,11 @@
     <h3 class="form-signin-heading text-center mb-5">nahwasa.com</h3>
 
     <h3 class="overview-normalize">접속 아이디</h3>
-    <p>
-        ${loginId}
+    <p id='login_id'>
     </p>
     <hr/>
     <h3 class="overview-normalize">역할</h3>
-    <p>
-        ${loginRoles}
+    <p id='pw'>
     </p>
     <hr/>
     <h3 class="overview-normalize">역할에 따른 페이지 이동 권한 확인</h3>
@@ -32,8 +30,18 @@
     </p>
     <hr/>
     <form method="post" action="/logout">
-        <button class="btn btn-sm btn-danger btn-block" type="submit">로그아웃</button>
+        <button class="btn btn-sm btn-danger btn-block" type="submit" id="logout_btn">로그아웃</button>
     </form>
+
+    <script>
+        const loginId = document.getElementById('login_id');
+        loginId.innerHTML = sessionStorage.getItem('userid');
+
+        const logoutBtn = document.getElementById('logout_btn');
+        logoutBtn.addEventListener('click', () => {
+            sessionStorage.setItem('userid', '');
+        });
+    </script>
 </div>
 </body>
 </html>
\ No newline at end of file
diff --git a/src/main/webapp/WEB-INF/views/login.jsp b/src/main/webapp/WEB-INF/views/login.jsp
index 916baad..692126c 100644
--- a/src/main/webapp/WEB-INF/views/login.jsp
+++ b/src/main/webapp/WEB-INF/views/login.jsp
@@ -27,12 +27,20 @@
             <label for="password" class="sr-only">비밀번호</label>
             <input type="password" id="password" name="pw" class="form-control" placeholder="비밀번호" required="">
         </p>
-        <button class="btn btn-lg btn-primary btn-block" type="submit">로그인</button>
+        <button class="btn btn-lg btn-primary btn-block" type="submit" id="login_btn">로그인</button>
     </form>
 
     <form class="form-signin" method="get" action="/view/join">
         <button class="btn btn-lg btn-warning btn-block" type="submit">회원가입하기</button>
     </form>
+
+    <script>
+        const loginBtn = document.getElementById('login_btn');
+
+        loginBtn.addEventListener('click', () => {
+            sessionStorage.setItem('userid', document.getElementById('username').value);
+        });
+    </script>
 </div>
 </body>
 </html>
\ No newline at end of file