diff --git a/src/main/java/org/example/siljeun/domain/auth/dto/request/SignUpRequest.java b/src/main/java/org/example/siljeun/domain/auth/dto/request/SignUpRequest.java
index b2008b0..9779011 100644
--- a/src/main/java/org/example/siljeun/domain/auth/dto/request/SignUpRequest.java
+++ b/src/main/java/org/example/siljeun/domain/auth/dto/request/SignUpRequest.java
@@ -6,6 +6,7 @@
 public record SignUpRequest(String email,
                             String username,
                             String password,
+                            String name,
                             String nickname,
                             Role role,
                             Provider provider) {
diff --git a/src/main/java/org/example/siljeun/domain/auth/service/AuthService.java b/src/main/java/org/example/siljeun/domain/auth/service/AuthService.java
index 06e35fc..98cbc21 100644
--- a/src/main/java/org/example/siljeun/domain/auth/service/AuthService.java
+++ b/src/main/java/org/example/siljeun/domain/auth/service/AuthService.java
@@ -1,5 +1,6 @@
 package org.example.siljeun.domain.auth.service;
 
+import java.util.NoSuchElementException;
 import lombok.RequiredArgsConstructor;
 import org.example.siljeun.domain.auth.dto.request.SignUpRequest;
 import org.example.siljeun.domain.auth.dto.response.LoginResponse;
@@ -22,6 +23,7 @@ public SignUpResponse signUp(SignUpRequest request) {
     // 비밀번호 암호화
     String password = passwordEncoder.encode(request.password());
 
+    // 회원 생성 및 저장
     User user = new User(request.email(), request.username(), password, request.nickname(),
         request.role(), request.provider());
     User savedUser = userRepository.save(user);
@@ -29,7 +31,16 @@ public SignUpResponse signUp(SignUpRequest request) {
     return new SignUpResponse(savedUser.getId(), savedUser.getEmail(), savedUser.getUsername());
   }
 
-  public LoginResponse login(String username, String password) {
+  public LoginResponse login(String username, String rawPassword) {
+    // 회원이 존재하지 않는 경우
+    User user = userRepository.findByUsername(username)
+        .orElseThrow(() -> new NoSuchElementException("아이디 또는 비밀번호가 올바르지 않습니다."));
+
+    // 비밀번호가 틀린 경우
+    if (!passwordEncoder.matches(rawPassword, user.getPassword())) {
+      throw new RuntimeException("아이디 또는 비밀번호가 올바르지 않습니다.");
+    }
+
     String token = jwtUtil.createToken(username);
 
     return new LoginResponse(token);
diff --git a/src/main/java/org/example/siljeun/domain/user/entity/User.java b/src/main/java/org/example/siljeun/domain/user/entity/User.java
index ddb0653..14ec94f 100644
--- a/src/main/java/org/example/siljeun/domain/user/entity/User.java
+++ b/src/main/java/org/example/siljeun/domain/user/entity/User.java
@@ -34,6 +34,9 @@ public class User extends BaseEntity {
   @Column(nullable = false, length = 255)
   private String password;
 
+  @Column(nullable = false, length = 10)
+  private String name;
+
   @Column(nullable = false, length = 10)
   private String nickname;
 
diff --git a/src/main/java/org/example/siljeun/global/config/SecurityConfig.java b/src/main/java/org/example/siljeun/global/config/SecurityConfig.java
index bc85fd6..9afd186 100644
--- a/src/main/java/org/example/siljeun/global/config/SecurityConfig.java
+++ b/src/main/java/org/example/siljeun/global/config/SecurityConfig.java
@@ -14,7 +14,6 @@
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
-import org.springframework.stereotype.Component;
 
 @Configuration
 @EnableWebSecurity