diff --git a/src/main/java/com/kamco/cd/kamcoback/config/api/ApiResponseAdvice.java b/src/main/java/com/kamco/cd/kamcoback/config/api/ApiResponseAdvice.java
index 9d2f2caf..8fb6ab3b 100644
--- a/src/main/java/com/kamco/cd/kamcoback/config/api/ApiResponseAdvice.java
+++ b/src/main/java/com/kamco/cd/kamcoback/config/api/ApiResponseAdvice.java
@@ -70,6 +70,10 @@ public class ApiResponseAdvice implements ResponseBodyAdvice<Object> {
         // audit 에는 long 타입 user_id가 들어가지만 토큰 sub은 uuid여서 user_id 가져오기
         userid = customUserDetails.getMember().getId();
       }
+
+      String requestBody = ApiLogFunction.getRequestBody(servletRequest, contentWrapper);
+      requestBody = maskSensitiveFields(requestBody); // 로그 저장전에 중요정보 마스킹
+
       // TODO: menuUid 를 동적으로 가져오게끔 해야함
       AuditLogEntity log =
         new AuditLogEntity(
@@ -79,13 +83,33 @@ public class ApiResponseAdvice implements ResponseBodyAdvice<Object> {
           "MU_01_01",
           ip,
           servletRequest.getRequestURI(),
-          ApiLogFunction.getRequestBody(servletRequest, contentWrapper),
+          requestBody,
           apiResponse.getErrorLogUid());
-
       // tb_audit_log 테이블 저장
       auditLogRepository.save(log);
     }
 
     return body;
   }
+
+  /**
+   * 마스킹
+   *
+   * @param json
+   * @return
+   */
+  private String maskSensitiveFields(String json) {
+    if (json == null) {
+      return null;
+    }
+
+    // password 마스킹
+    json = json.replaceAll("\"password\"\\s*:\\s*\"[^\"]*\"", "\"password\":\"****\"");
+
+    // 토큰 마스킹
+    json = json.replaceAll("\"accessToken\"\\s*:\\s*\"[^\"]*\"", "\"accessToken\":\"****\"");
+    json = json.replaceAll("\"refreshToken\"\\s*:\\s*\"[^\"]*\"", "\"refreshToken\":\"****\"");
+
+    return json;
+  }
 }
diff --git a/src/main/java/com/kamco/cd/kamcoback/members/AuthController.java b/src/main/java/com/kamco/cd/kamcoback/members/AuthController.java
index f7a49aa7..776e70ba 100644
--- a/src/main/java/com/kamco/cd/kamcoback/members/AuthController.java
+++ b/src/main/java/com/kamco/cd/kamcoback/members/AuthController.java
@@ -2,6 +2,8 @@ package com.kamco.cd.kamcoback.members;
 
 import com.kamco.cd.kamcoback.auth.JwtTokenProvider;
 import com.kamco.cd.kamcoback.auth.RefreshTokenService;
+import com.kamco.cd.kamcoback.config.api.ApiResponseDto;
+import com.kamco.cd.kamcoback.members.dto.SignInRequest;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.media.Content;
 import io.swagger.v3.oas.annotations.media.Schema;
@@ -9,6 +11,7 @@ import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import io.swagger.v3.oas.annotations.responses.ApiResponses;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import jakarta.servlet.http.HttpServletResponse;
+import java.nio.file.AccessDeniedException;
 import java.time.Duration;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Value;
@@ -52,7 +55,7 @@ public class AuthController {
       description = "ID 또는 비밀번호 불일치",
       content = @Content(schema = @Schema(implementation = ErrorResponse.class)))
   })
-  public ResponseEntity<TokenResponse> signin(
+  public ApiResponseDto<TokenResponse> signin(
     @io.swagger.v3.oas.annotations.parameters.RequestBody(
       description = "로그인 요청 정보",
       required = true)
@@ -61,7 +64,7 @@ public class AuthController {
     HttpServletResponse response) {
     Authentication authentication =
       authenticationManager.authenticate(
-        new UsernamePasswordAuthenticationToken(request.username(), request.password()));
+        new UsernamePasswordAuthenticationToken(request.getUsername(), request.getPassword()));
 
     String username = authentication.getName(); // UserDetailsService 에서 사용한 username
 
@@ -83,8 +86,7 @@ public class AuthController {
         .build();
 
     response.addHeader(HttpHeaders.SET_COOKIE, cookie.toString());
-
-    return ResponseEntity.ok(new TokenResponse(accessToken));
+    return ApiResponseDto.createOK(new TokenResponse(accessToken));
   }
 
   @PostMapping("/refresh")
@@ -99,16 +101,16 @@ public class AuthController {
       description = "만료되었거나 유효하지 않은 리프레시 토큰",
       content = @Content(schema = @Schema(implementation = ErrorResponse.class)))
   })
-  public ResponseEntity<TokenResponse> refresh(String refreshToken, HttpServletResponse response) {
+  public ResponseEntity<TokenResponse> refresh(String refreshToken, HttpServletResponse response) throws AccessDeniedException {
     if (refreshToken == null || !jwtTokenProvider.isValidToken(refreshToken)) {
-      return ResponseEntity.status(401).build();
+      throw new AccessDeniedException("만료되었거나 유효하지 않은 리프레시 토큰 입니다.");
     }
 
     String username = jwtTokenProvider.getSubject(refreshToken);
 
     // Redis에 저장된 RefreshToken과 일치하는지 확인
     if (!refreshTokenService.validate(username, refreshToken)) {
-      return ResponseEntity.status(401).build();
+      throw new AccessDeniedException("만료되었거나 유효하지 않은 리프레시 토큰 입니다.");
     }
 
     // 새 토큰 발급
@@ -141,7 +143,7 @@ public class AuthController {
       description = "로그아웃 성공",
       content = @Content(schema = @Schema(implementation = Void.class)))
   })
-  public ResponseEntity<Void> logout(Authentication authentication, HttpServletResponse response) {
+  public ApiResponseDto<ResponseEntity<Object>> logout(Authentication authentication, HttpServletResponse response) {
     if (authentication != null) {
       String username = authentication.getName();
       // Redis에서 RefreshToken 삭제
@@ -159,14 +161,7 @@ public class AuthController {
         .build();
     response.addHeader(HttpHeaders.SET_COOKIE, cookie.toString());
 
-    return ResponseEntity.noContent().build();
-  }
-
-  @Schema(description = "로그인 요청 DTO")
-  public record SignInRequest(
-    @Schema(description = "사번", example = "11111") String username,
-    @Schema(description = "비밀번호", example = "kamco1234!") String password) {
-
+    return ApiResponseDto.createOK(ResponseEntity.noContent().build());
   }
 
   public record TokenResponse(String accessToken) {
diff --git a/src/main/java/com/kamco/cd/kamcoback/members/dto/SignInRequest.java b/src/main/java/com/kamco/cd/kamcoback/members/dto/SignInRequest.java
new file mode 100644
index 00000000..000a51fd
--- /dev/null
+++ b/src/main/java/com/kamco/cd/kamcoback/members/dto/SignInRequest.java
@@ -0,0 +1,16 @@
+package com.kamco.cd.kamcoback.members.dto;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+@Getter
+@Setter
+@ToString(exclude = "password")
+public class SignInRequest {
+
+  private String username;
+  @JsonProperty(access = JsonProperty.Access.WRITE_ONLY)
+  private String password;
+}