diff --git a/src/main/java/com/example/springsecuritystudy/common/AlreadyRegisteredUserException.java b/src/main/java/com/example/springsecuritystudy/common/AlreadyRegisteredUserException.java
new file mode 100644
index 0000000..bb4024f
--- /dev/null
+++ b/src/main/java/com/example/springsecuritystudy/common/AlreadyRegisteredUserException.java
@@ -0,0 +1,12 @@
+package com.example.springsecuritystudy.common;
+
+public class AlreadyRegisteredUserException extends RuntimeException {
+
+	public AlreadyRegisteredUserException(String message) {
+		super(message);
+	}
+
+	public AlreadyRegisteredUserException() {
+		super("이미 등록된 유저입니다.");
+	}
+}
diff --git a/src/main/java/com/example/springsecuritystudy/config/InitializeConfig.java b/src/main/java/com/example/springsecuritystudy/config/InitializeConfig.java
new file mode 100644
index 0000000..5a785b9
--- /dev/null
+++ b/src/main/java/com/example/springsecuritystudy/config/InitializeConfig.java
@@ -0,0 +1,32 @@
+package com.example.springsecuritystudy.config;
+
+import javax.annotation.PostConstruct;
+
+import org.springframework.context.annotation.Configuration;
+
+import com.example.springsecuritystudy.notice.NoticeService;
+import com.example.springsecuritystudy.post.PostService;
+import com.example.springsecuritystudy.user.User;
+import com.example.springsecuritystudy.user.UserService;
+
+import lombok.RequiredArgsConstructor;
+
+@Configuration
+@RequiredArgsConstructor
+public class InitializeConfig {
+
+	private final UserService userService;
+	private final PostService postService;
+	private final NoticeService noticeService;
+
+	@PostConstruct
+	public void adminAccount() {
+		User user = userService.signup("user", "user");
+		userService.signupAdmin("admin", "admin");
+		postService.savePost(user, "테스트", "테스트입니다.");
+		postService.savePost(user, "테스트2", "테스트2입니다.");
+		postService.savePost(user, "테스트3", "테스트3입니다.");
+		postService.savePost(user, "여름 여행계획", "여름 여행계획 작성중...");
+		noticeService.saveNotice("환영합니다", "환영합니다 여러분");
+	}
+}
diff --git a/src/main/java/com/example/springsecuritystudy/config/MvcConfig.java b/src/main/java/com/example/springsecuritystudy/config/MvcConfig.java
index f4fa6fe..c2323a2 100644
--- a/src/main/java/com/example/springsecuritystudy/config/MvcConfig.java
+++ b/src/main/java/com/example/springsecuritystudy/config/MvcConfig.java
@@ -3,18 +3,9 @@ package com.example.springsecuritystudy.config;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.filter.HiddenHttpMethodFilter;
-import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
-import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 @Configuration
-public class MvcConfig implements WebMvcConfigurer {
-
-	public void addViewControllers(ViewControllerRegistry registry) {
-		registry.addViewController("/").setViewName("index");
-		registry.addViewController("/home").setViewName("index");
-		registry.addViewController("/admin").setViewName("admin/index");
-		registry.addViewController("/login").setViewName("login");
-	}
+public class MvcConfig {
 
 	@Bean
 	public HiddenHttpMethodFilter hiddenHttpMethodFilter(){
diff --git a/src/main/java/com/example/springsecuritystudy/config/SecurityConfig.java b/src/main/java/com/example/springsecuritystudy/config/SecurityConfig.java
index 5155e6c..d259eb5 100644
--- a/src/main/java/com/example/springsecuritystudy/config/SecurityConfig.java
+++ b/src/main/java/com/example/springsecuritystudy/config/SecurityConfig.java
@@ -4,28 +4,21 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.http.HttpMethod;
 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.WebSecurityCustomizer;
-import org.springframework.security.core.userdetails.UserDetailsService;
-import org.springframework.security.core.userdetails.UsernameNotFoundException;
 import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
 
-import com.example.springsecuritystudy.user.UserRepository;
-
 import lombok.RequiredArgsConstructor;
 
 @EnableWebSecurity
 @RequiredArgsConstructor
 public class SecurityConfig {
 
-	private final UserRepository userRepository;
-
 	@Bean
 	public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
 		http
 				.authorizeHttpRequests(auth -> auth
 						.antMatchers("/", "/home", "/signup", "/example",
-								"/css/**", "/js/**", "/h2-console/**").permitAll()
+								"/css/**", "/h2-console/**").permitAll()
 						.antMatchers("/post").hasRole("USER")
 						.antMatchers("/admin").hasRole("ADMIN")
 						.antMatchers(HttpMethod.POST, "/notice").hasRole("ADMIN")
@@ -48,14 +41,4 @@ public class SecurityConfig {
 		return http.build();
 	}
 
-	@Bean
-	public WebSecurityCustomizer webSecurityCustomizer() {
-		return web -> web.ignoring().antMatchers("/css/**", "/js/**", "/h2-console/**");
-	}
-
-	@Bean
-	public UserDetailsService userDetailsService() {
-		return username -> userRepository.findByUsername(username)
-				.orElseThrow(() -> new UsernameNotFoundException("유저를 찾지 못 했습니다."));
-	}
 }
diff --git a/src/main/java/com/example/springsecuritystudy/config/UserDetailServiceImpl.java b/src/main/java/com/example/springsecuritystudy/config/UserDetailServiceImpl.java
new file mode 100644
index 0000000..9fb175f
--- /dev/null
+++ b/src/main/java/com/example/springsecuritystudy/config/UserDetailServiceImpl.java
@@ -0,0 +1,26 @@
+package com.example.springsecuritystudy.config;
+
+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.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import com.example.springsecuritystudy.common.UserNotFoundException;
+import com.example.springsecuritystudy.user.UserRepository;
+
+import lombok.RequiredArgsConstructor;
+
+@Service
+@RequiredArgsConstructor
+@Transactional(readOnly = true)
+public class UserDetailServiceImpl implements UserDetailsService {
+
+	private final UserRepository userRepository;
+
+	@Override
+	public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
+		return userRepository.findByUsername(username)
+				.orElseThrow(UserNotFoundException::new);
+	}
+}
diff --git a/src/main/java/com/example/springsecuritystudy/controller/SampleController.java b/src/main/java/com/example/springsecuritystudy/controller/SampleController.java
index 9e75637..3ecb971 100644
--- a/src/main/java/com/example/springsecuritystudy/controller/SampleController.java
+++ b/src/main/java/com/example/springsecuritystudy/controller/SampleController.java
@@ -7,6 +7,11 @@ import org.springframework.web.bind.annotation.GetMapping;
 @Controller
 public class SampleController {
 
+	@GetMapping({"/", "/home"})
+	public String index() {
+		return "index";
+	}
+
 	@GetMapping("/example")
 	public String example(Model model) {
 		model.addAttribute("name", "정우성");
diff --git a/src/main/java/com/example/springsecuritystudy/notice/NoticeService.java b/src/main/java/com/example/springsecuritystudy/notice/NoticeService.java
index 417cb98..5f7aed7 100644
--- a/src/main/java/com/example/springsecuritystudy/notice/NoticeService.java
+++ b/src/main/java/com/example/springsecuritystudy/notice/NoticeService.java
@@ -2,6 +2,7 @@ package com.example.springsecuritystudy.notice;
 
 import java.util.List;
 
+import org.springframework.data.domain.Sort;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -16,7 +17,7 @@ public class NoticeService {
 
 	@Transactional(readOnly = true)
 	public List<Notice> findAll() {
-		return noticeRepository.findAll();
+		return noticeRepository.findAll(Sort.by(Sort.Direction.DESC, "id"));
 	}
 
 	public Notice saveNotice(String title, String content) {
diff --git a/src/main/java/com/example/springsecuritystudy/post/AdminController.java b/src/main/java/com/example/springsecuritystudy/post/AdminController.java
new file mode 100644
index 0000000..f1c47b2
--- /dev/null
+++ b/src/main/java/com/example/springsecuritystudy/post/AdminController.java
@@ -0,0 +1,29 @@
+package com.example.springsecuritystudy.post;
+
+import java.util.List;
+
+import org.springframework.security.core.Authentication;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import com.example.springsecuritystudy.user.User;
+
+import lombok.RequiredArgsConstructor;
+
+@Controller
+@RequiredArgsConstructor
+@RequestMapping("/admin")
+public class AdminController {
+
+	private final PostService postService;
+
+	@GetMapping
+	public String getPostForAdmin(Authentication authentication, Model model) {
+		User user = (User) authentication.getPrincipal();
+		List<Post> posts = postService.findByUser(user);
+		model.addAttribute("posts", posts);
+		return "admin/index";
+	}
+}
diff --git a/src/main/java/com/example/springsecuritystudy/post/Post.java b/src/main/java/com/example/springsecuritystudy/post/Post.java
index 8719a38..b7ce2f8 100644
--- a/src/main/java/com/example/springsecuritystudy/post/Post.java
+++ b/src/main/java/com/example/springsecuritystudy/post/Post.java
@@ -43,4 +43,9 @@ public class Post extends BaseTimeEntity {
 		this.status = PostStatus.Y;
 		this.user = user;
 	}
+
+	public void updatePost(String title, String content) {
+		this.title = title;
+		this.content = content;
+	}
 }
diff --git a/src/main/java/com/example/springsecuritystudy/post/PostController.java b/src/main/java/com/example/springsecuritystudy/post/PostController.java
index 31e9f97..eae9569 100644
--- a/src/main/java/com/example/springsecuritystudy/post/PostController.java
+++ b/src/main/java/com/example/springsecuritystudy/post/PostController.java
@@ -24,7 +24,7 @@ public class PostController {
 	private final PostService postService;
 
 	@GetMapping
-	public String findByPost(Authentication authentication, Model model) {
+	public String getPost(Authentication authentication, Model model) {
 		User user = (User) authentication.getPrincipal();
 		List<Post> posts = postService.findByUser(user);
 		model.addAttribute("posts", posts);
diff --git a/src/main/java/com/example/springsecuritystudy/post/PostRepository.java b/src/main/java/com/example/springsecuritystudy/post/PostRepository.java
index b63bb9f..59ed973 100644
--- a/src/main/java/com/example/springsecuritystudy/post/PostRepository.java
+++ b/src/main/java/com/example/springsecuritystudy/post/PostRepository.java
@@ -8,7 +8,9 @@ import com.example.springsecuritystudy.user.User;
 
 public interface PostRepository extends JpaRepository<Post, Long> {
 
-	List<Post> findByUserAndStatus(User user, PostStatus status);
+	List<Post> findByUserAndStatusOrderByIdDesc(User user, PostStatus status);
 
 	Post findByIdAndUser(Long id, User user);
+
+	List<Post> findByStatusOrderByIdDesc(PostStatus status);
 }
diff --git a/src/main/java/com/example/springsecuritystudy/post/PostService.java b/src/main/java/com/example/springsecuritystudy/post/PostService.java
index 50bb189..03231bd 100644
--- a/src/main/java/com/example/springsecuritystudy/post/PostService.java
+++ b/src/main/java/com/example/springsecuritystudy/post/PostService.java
@@ -5,8 +5,8 @@ import java.util.List;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import com.example.springsecuritystudy.common.UserNotFoundException;
 import com.example.springsecuritystudy.user.User;
-import com.example.springsecuritystudy.user.UserRepository;
 
 import lombok.RequiredArgsConstructor;
 
@@ -15,18 +15,20 @@ import lombok.RequiredArgsConstructor;
 @Transactional
 public class PostService {
 
-	private final UserRepository userRepository;
 	private final PostRepository postRepository;
 
 	@Transactional(readOnly = true)
 	public List<Post> findByUser(User user) {
 		userNullCheck(user);
-		return postRepository.findByUserAndStatus(user, PostStatus.Y);
+		if (Boolean.TRUE.equals(user.isAdmin())) {
+			return postRepository.findByStatusOrderByIdDesc(PostStatus.Y);
+		}
+		return postRepository.findByUserAndStatusOrderByIdDesc(user, PostStatus.Y);
 	}
 
 	private static void userNullCheck(User user) {
 		if (user == null) {
-			throw new RuntimeException("유저가 없습니다.");
+			throw new UserNotFoundException();
 		}
 	}
 
diff --git a/src/main/java/com/example/springsecuritystudy/user/UserController.java b/src/main/java/com/example/springsecuritystudy/user/UserController.java
index 182dcba..40f2265 100644
--- a/src/main/java/com/example/springsecuritystudy/user/UserController.java
+++ b/src/main/java/com/example/springsecuritystudy/user/UserController.java
@@ -4,18 +4,21 @@ import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestMapping;
 
 import lombok.RequiredArgsConstructor;
 
 @Controller
 @RequiredArgsConstructor
-@RequestMapping("/signup")
 public class UserController {
 
 	private final UserService userService;
 
-	@GetMapping
+	@GetMapping("/login")
+	public String loginView() {
+		return "login";
+	}
+
+	@GetMapping("/signup")
 	public String signupView() {
 		return "signup";
 	}
diff --git a/src/main/java/com/example/springsecuritystudy/user/UserService.java b/src/main/java/com/example/springsecuritystudy/user/UserService.java
index b36f9c7..23115fa 100644
--- a/src/main/java/com/example/springsecuritystudy/user/UserService.java
+++ b/src/main/java/com/example/springsecuritystudy/user/UserService.java
@@ -1,9 +1,11 @@
 package com.example.springsecuritystudy.user;
 
-import org.springframework.security.core.userdetails.UsernameNotFoundException;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.stereotype.Service;
 
+import com.example.springsecuritystudy.common.AlreadyRegisteredUserException;
+import com.example.springsecuritystudy.common.UserNotFoundException;
+
 import lombok.RequiredArgsConstructor;
 
 @Service
@@ -14,22 +16,24 @@ public class UserService {
 	private final PasswordEncoder passwordEncoder;
 
 	public User signup(String username, String password) {
-		if (userRepository.findByUsername(username).isPresent()) {
-			throw new RuntimeException("이미 등록된 유저입니다.");
-		}
+		alreadyRegisteredUser(username);
 		return userRepository.save(new User(username, passwordEncoder.encode(password), "ROLE_USER"));
 	}
 
 	public User signupAdmin(String username, String password) {
-		if (userRepository.findByUsername(username).isPresent()) {
-			throw new RuntimeException("이미 등록된 Admin유저입니다.");
-		}
+		alreadyRegisteredUser(username);
 		return userRepository.save(new User(username, passwordEncoder.encode(password), "ROLE_ADMIN"));
 	}
 
 	public User findByUsername(String username) {
 		return userRepository.findByUsername(username)
-				.orElseThrow(() -> new UsernameNotFoundException("존재하지 않는 유저입니다."));
+				.orElseThrow(UserNotFoundException::new);
+	}
+
+	private void alreadyRegisteredUser(String username) {
+		if (userRepository.findByUsername(username).isPresent()) {
+			throw new AlreadyRegisteredUserException();
+		}
 	}
 
 }
diff --git a/src/main/resources/templates/admin/index.html b/src/main/resources/templates/admin/index.html
index 6a4e202..f078bf4 100644
--- a/src/main/resources/templates/admin/index.html
+++ b/src/main/resources/templates/admin/index.html
@@ -8,7 +8,19 @@
 <header th:insert="fragments.html::nav"></header>
 <div class="container">
 	<h1>관리자 페이지</h1>
-	<p>당신은 관리자입니다.</p>
+	<h3>게시글 내역</h3>
+	<div class="row">
+		<div class="col-lg-8 col-lg-offset-2 col-md-10 col-md-offset-1">
+			<div th:each="post : ${posts}">
+				<p style="margin: 10px 0;">
+					<strong th:text="${post.title}"></strong>
+					Posted by
+					<strong th:if="${post.user}" th:text="${post.user.username}"></strong> on
+					<strong th:text="${#temporals.format(post.createdAt, 'yyyy-MM-dd')}"></strong>
+				</p>
+			</div>
+		</div>
+	</div>
 </div>
 </body>
 </html>