diff --git a/docker-compose-db.yml b/docker-compose-db.yml
index 6254cb6..d297c1a 100644
--- a/docker-compose-db.yml
+++ b/docker-compose-db.yml
@@ -4,10 +4,8 @@ services:
     image: redis:alpine
     container_name: rabbit-redis
     hostname: redis
-    ports:
-      - "6379:6379"
-    networks:
-      - rabbit-db
+    ports: [ "6379:6379" ]
+    networks: [ rabbit-db ]
 
   mysql_master:
     container_name: rabbit-mysql-master
@@ -16,13 +14,11 @@ services:
       MYSQL_DATABASE: rabbit
       MYSQL_ROOT_HOST: '%'
       MYSQL_ROOT_PASSWORD: 1234
-    ports:
-      - "3306:3306"
+    ports: [ "3306:3306" ]
     volumes:
       - ./mysql/master-data-source.cnf:/etc/mysql/conf.d/my.cnf
       - ./mysql/init-master.sql:/docker-entrypoint-initdb.d/01-init-master.sql
-    networks:
-      - rabbit-db
+    networks: [ rabbit-db ]
     healthcheck:
       test: [ "CMD", "mysqladmin", "ping", "-h", "localhost", "-u", "root", "-p1234" ]
       timeout: 20s
@@ -35,12 +31,10 @@ services:
       MYSQL_DATABASE: rabbit
       MYSQL_ROOT_HOST: '%'
       MYSQL_ROOT_PASSWORD: 1234
-    ports:
-      - "3307:3306"
+    ports: [ "3307:3306" ]
     volumes:
       - ./mysql/replica-data-source.cnf:/etc/mysql/conf.d/my.cnf
-    networks:
-      - rabbit-db
+    networks: [ rabbit-db ]
     depends_on:
       mysql_master:
         condition: service_healthy
@@ -50,13 +44,13 @@ services:
       retries: 10
 
   mysql_replication_setup:
+    profiles: [ setup ]
     image: mysql:8.0
-    container_name: mysql_replication_setup
+    container_name: mysql-replication-setup
     volumes:
-      - ./mysql/setup-replication.sh:/setup-replication.sh
-    command: [ "/bin/bash", "/setup-replication.sh" ]
-    networks:
-      - rabbit-db
+      - ./mysql/entrypoint.sh:/entrypoint.sh
+    command: [ "/bin/bash", "/entrypoint.sh" ]
+    networks: [ rabbit-db ]
     depends_on:
       mysql_master:
         condition: service_healthy
diff --git a/docker-compose-elk.yml b/docker-compose-elk.yml
index 0e99b3f..c94c655 100644
--- a/docker-compose-elk.yml
+++ b/docker-compose-elk.yml
@@ -3,6 +3,7 @@ version: "3.8"
 services:
   setup:
     profiles: [ setup ]
+    container_name: rabbit-elk-setup
     init: true
     build:
       context: elk/setup/
@@ -29,9 +30,7 @@ services:
     volumes:
       - ./elk/elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml:ro,Z
       - elasticsearch:/usr/share/elasticsearch/data
-    ports:
-      - "9200:9200"
-      - "9300:9300"
+    ports: [ "9200:9200", "9300:9300" ]
     environment:
       ES_JAVA_OPTS: "-Xmx256m -Xms256m"
       ELASTIC_PASSWORD: ${ELASTIC_PASSWORD:-rabbit1234}
@@ -47,11 +46,7 @@ services:
     volumes:
       - ./elk/logstash/config/logstash.yml:/usr/share/logstash/config/logstash.yml:ro,Z
       - ./elk/logstash/pipeline:/usr/share/logstash/pipeline:ro,Z
-    ports:
-      - "5044:5044"
-      - "50000:50000/tcp"
-      - "50000:50000/udp"
-      - "9600:9600"
+    ports: [ "5044:5044", "50000:50000/tcp", "50000:50000/udp", "9600:9600" ]
     environment:
       LS_JAVA_OPTS: "-Xmx256m -Xms256m"
       LOGSTASH_USERNAME: ${LOGSTASH_USERNAME:-rabbit_logstash}
@@ -67,8 +62,7 @@ services:
         ELASTIC_VERSION: ${ELASTIC_VERSION:-8.10.2}
     volumes:
       - ./elk/kibana/config/kibana.yml:/usr/share/kibana/config/kibana.yml:ro,Z
-    ports:
-      - "5601:5601"
+    ports: [ "5601:5601" ]
     environment:
       KIBANA_SYSTEM_PASSWORD: ${KIBANA_SYSTEM_PASSWORD:-rabbit1234}
     networks: [ rabbit-elk ]
diff --git a/docker-compose.yml b/docker-compose.yml
index f2acc1b..23e6ec1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,29 +3,22 @@ services:
   rabbitmq:
     image: rabbitmq:3-management
     container_name: rabbit-rabbitmq
-    ports:
-      - "5672:5672"
-      - "15672:15672"
-      - "61613:61613"
+    ports: [ "5672:5672", "15672:15672", "61613:61613" ]
     command: >
       /bin/bash -c "rabbitmq-plugins enable --offline rabbitmq_management rabbitmq_stomp && rabbitmq-server"
     environment:
       RABBITMQ_DEFAULT_USER: guest
       RABBITMQ_DEFAULT_PASS: guest
-    networks:
-      - rabbit-default
+    networks: [ rabbit-default ]
 
   nginx:
     image: nginx:latest
     container_name: rabbit-nginx
-    ports:
-      - "80:80"
-      - "443:443"
+    ports: [ "80:80", "443:443" ]
     volumes:
       - ./nginx/config/nginx.conf:/etc/nginx/conf.d/default.conf
       - ./nginx/ssl:/etc/nginx/ssl
-    networks:
-      - rabbit-default
+    networks: [ rabbit-default ]
 
 networks:
   rabbit-default:
diff --git a/elk/setup/sh/tmp.sh b/elk/setup/sh/tmp.sh
deleted file mode 100644
index c6a5c1e..0000000
--- a/elk/setup/sh/tmp.sh
+++ /dev/null
@@ -1,24 +0,0 @@
-#
-curl -u pitchain_logstash:pitchain_logstash_password -X GET "localhost:9200/_security/_authenticate?pretty"
-
-# pitchain_logstash 유저 생성 확인
-curl -u pitchain_logstash:pitchain_logstash_password http://elasticsearch:9200/
-
-# logstash_writer Role 생성 확인
-curl -u elastic:pitchain_elasticsearch_password http://localhost:9200/_security/role/logstash_writer?pretty
-
-# 도커 컴포즈 세팅
-docker-compose --profile setup -f docker-compose-elk.yml up --build -d
-
-# es 삭제
-docker-compose -f docker-compose-elk.yml down -v # ES 컨테이너와 볼륨(설정) 삭제
-rm -rf ./elk/elasticsearch/data                                                                                                                                                                                             ─╯
-rm -rf ./elk/elasticsearch/nodes
-docker volume rm pitchain_elasticsearchr
-
-docker-compose --env-file /home/ec2-user/app/.env --profile setup -f /home/ec2-user/app/docker-compose-elk.yml up --build -d
-docker-compose --profile setup -f docker-compose-elk.yml up --build -d
-
-
-
-ssh -i /Users/seungheonlee/Desktop/IntelliJ/pitchain-server-key.pem ec2-user@ec2-43-201-79-150.ap-northeast-2.compute.amazonaws.com
\ No newline at end of file
diff --git a/mysql/entrypoint.sh b/mysql/entrypoint.sh
new file mode 100755
index 0000000..e0ac17c
--- /dev/null
+++ b/mysql/entrypoint.sh
@@ -0,0 +1,110 @@
+#!/bin/bash
+
+# MySQL Master-Replica 복제 설정 자동화 스크립트
+set -e
+
+log() {
+  echo "$(date '+%Y-%m-%d %H:%M:%S') [+] $1"
+}
+sublog() {
+  echo "$(date '+%Y-%m-%d %H:%M:%S')    ⠿ $1"
+}
+suberr() {
+  echo "$(date '+%Y-%m-%d %H:%M:%S')    ❌ $1" >&2
+}
+
+log "MySQL Master-Replica 복제 설정을 시작합니다..."
+
+log "Master DB 연결 대기 중..."
+until mysql -h rabbit-mysql-master -u root -p1234 -e "SELECT 1" > /dev/null 2>&1; do
+  sublog "Master DB 연결 대기 중..."
+  sleep 3
+done
+sublog "Master DB 연결됨"
+
+log "Replica DB 연결 대기 중..."
+until mysql -h rabbit-mysql-replica -u root -p1234 -e "SELECT 1" > /dev/null 2>&1; do
+  sublog "Replica DB 연결 대기 중..."
+  sleep 3
+done
+sublog "Replica DB 연결됨"
+
+log "DB 초기화 완료 대기 중..."
+sleep 10
+sublog "DB 초기화 완료"
+
+log "Master DB에서 복제 사용자 확인 중..."
+REPLICA_USER_EXISTS=$(mysql -h rabbit-mysql-master -u root -p1234 -e "SELECT COUNT(*) FROM mysql.user WHERE user='replica';" 2>/dev/null | tail -n 1)
+if [ "$REPLICA_USER_EXISTS" -eq 0 ]; then
+  sublog "복제 사용자가 존재하지 않습니다. 생성 중..."
+  mysql -h rabbit-mysql-master -u root -p1234 << EOF
+CREATE USER IF NOT EXISTS 'replica'@'%' IDENTIFIED WITH mysql_native_password BY '1234';
+GRANT REPLICATION SLAVE ON *.* TO 'replica'@'%';
+FLUSH PRIVILEGES;
+EOF
+  sublog "복제 사용자가 생성되었습니다."
+else
+  sublog "복제 사용자가 이미 존재합니다."
+fi
+
+log "Master DB에서 바이너리 로그 상태 확인 중..."
+MASTER_STATUS=$(mysql -h rabbit-mysql-master -u root -p1234 -e "SHOW MASTER STATUS\G" 2>/dev/null)
+MASTER_FILE=$(echo "$MASTER_STATUS" | grep "File:" | awk '{print $2}')
+MASTER_POSITION=$(echo "$MASTER_STATUS" | grep "Position:" | awk '{print $2}')
+sublog "Master File: $MASTER_FILE"
+sublog "Master Position: $MASTER_POSITION"
+
+if [ -z "$MASTER_FILE" ] || [ -z "$MASTER_POSITION" ]; then
+  suberr "Master 상태를 가져올 수 없습니다."
+  exit 1
+fi
+
+log "기존 복제 설정 정리 중..."
+mysql -h rabbit-mysql-replica -u root -p1234 << EOF
+STOP SLAVE;
+RESET SLAVE ALL;
+EOF
+sublog "기존 복제 설정 정리 완료"
+
+log "Replica DB에서 Master 연결 설정 중..."
+mysql -h rabbit-mysql-replica -u root -p1234 << EOF
+CHANGE MASTER TO
+    MASTER_HOST='rabbit-mysql-master',
+    MASTER_USER='replica',
+    MASTER_PASSWORD='1234',
+    MASTER_LOG_FILE='$MASTER_FILE',
+    MASTER_LOG_POS=$MASTER_POSITION,
+    MASTER_CONNECT_RETRY=10,
+    MASTER_RETRY_COUNT=3;
+START SLAVE;
+EOF
+sublog "Master 연결 설정 완료"
+
+log "복제 연결 대기 및 상태 확인 중..."
+for i in {1..30}; do
+  SLAVE_STATUS=$(mysql -h rabbit-mysql-replica -u root -p1234 -e "SHOW SLAVE STATUS\G" 2>/dev/null)
+  IO_RUNNING=$(echo "$SLAVE_STATUS" | grep "Slave_IO_Running:" | awk '{print $2}')
+  SQL_RUNNING=$(echo "$SLAVE_STATUS" | grep "Slave_SQL_Running:" | awk '{print $2}')
+
+  sublog "시도 $i/30 - IO Running: $IO_RUNNING, SQL Running: $SQL_RUNNING"
+
+  if [ "$IO_RUNNING" = "Yes" ] && [ "$SQL_RUNNING" = "Yes" ]; then
+    sublog "✅   MySQL Master-Replica 복제 설정이 성공적으로 완료되었습니다!"
+    log "복제 상태 상세 정보 출력"
+    mysql -h rabbit-mysql-replica -u root -p1234 -e "SHOW SLAVE STATUS\G" | grep -E "(Slave_IO_Running|Slave_SQL_Running|Master_Host|Master_User|Read_Master_Log_Pos|Exec_Master_Log_Pos)"
+    exit 0
+  elif [ "$IO_RUNNING" = "No" ]; then
+    suberr "IO 스레드 연결 실패. 오류 확인 중..."
+    LAST_IO_ERROR=$(echo "$SLAVE_STATUS" | grep "Last_IO_Error:" | cut -d':' -f2- | xargs)
+    if [ -n "$LAST_IO_ERROR" ]; then
+      suberr "IO 오류: $LAST_IO_ERROR"
+    fi
+    break
+  fi
+  sleep 2
+done
+
+suberr "복제 설정에 문제가 발생했습니다. 최종 상태: IO Running: $IO_RUNNING, SQL Running: $SQL_RUNNING"
+log "복제 오류 정보 출력"
+mysql -h rabbit-mysql-replica -u root -p1234 -e "SHOW SLAVE STATUS\G" | grep -E "(Last_IO_Error|Last_SQL_Error)"
+exit 1
diff --git a/mysql/setup-replication.sh b/mysql/setup-replication.sh
deleted file mode 100755
index 12bb831..0000000
--- a/mysql/setup-replication.sh
+++ /dev/null
@@ -1,109 +0,0 @@
-#!/bin/bash
-
-# MySQL Master-Replica 복제 설정 자동화 스크립트
-set -e
-
-echo "MySQL Master-Replica 복제 설정을 시작합니다..."
-
-# Master DB가 완전히 시작될 때까지 대기
-echo "Master DB 연결 대기 중..."
-until mysql -h rabbit-mysql-master -u root -p1234 -e "SELECT 1" > /dev/null 2>&1; do
-    echo "Master DB 연결 대기 중..."
-    sleep 3
-done
-
-# Replica DB가 완전히 시작될 때까지 대기
-echo "Replica DB 연결 대기 중..."
-until mysql -h rabbit-mysql-replica -u root -p1234 -e "SELECT 1" > /dev/null 2>&1; do
-    echo "Replica DB 연결 대기 중..."
-    sleep 3
-done
-
-# 추가 안정화 대기 시간
-echo "DB 초기화 완료 대기 중..."
-sleep 10
-
-# Master DB에서 복제 사용자가 생성되었는지 확인
-echo "Master DB에서 복제 사용자 확인 중..."
-REPLICA_USER_EXISTS=$(mysql -h rabbit-mysql-master -u root -p1234 -e "SELECT COUNT(*) FROM mysql.user WHERE user='replica';" 2>/dev/null | tail -n 1)
-if [ "$REPLICA_USER_EXISTS" -eq 0 ]; then
-    echo "복제 사용자가 존재하지 않습니다. 생성 중..."
-    mysql -h rabbit-mysql-master -u root -p1234 << EOF
-CREATE USER IF NOT EXISTS 'replica'@'%' IDENTIFIED WITH mysql_native_password BY '1234';
-GRANT REPLICATION SLAVE ON *.* TO 'replica'@'%';
-FLUSH PRIVILEGES;
-EOF
-    echo "복제 사용자가 생성되었습니다."
-fi
-
-# Master DB에서 바이너리 로그 상태 확인
-echo "Master DB에서 바이너리 로그 상태 확인 중..."
-MASTER_STATUS=$(mysql -h rabbit-mysql-master -u root -p1234 -e "SHOW MASTER STATUS\G" 2>/dev/null)
-MASTER_FILE=$(echo "$MASTER_STATUS" | grep "File:" | awk '{print $2}')
-MASTER_POSITION=$(echo "$MASTER_STATUS" | grep "Position:" | awk '{print $2}')
-
-echo "Master File: $MASTER_FILE"
-echo "Master Position: $MASTER_POSITION"
-
-if [ -z "$MASTER_FILE" ] || [ -z "$MASTER_POSITION" ]; then
-    echo "❌ Master 상태를 가져올 수 없습니다."
-    exit 1
-fi
-
-# 기존 복제 설정 정리
-echo "기존 복제 설정 정리 중..."
-mysql -h rabbit-mysql-replica -u root -p1234 << EOF
-STOP SLAVE;
-RESET SLAVE ALL;
-EOF
-
-# Replica DB에서 Master 설정
-echo "Replica DB에서 Master 연결 설정 중..."
-mysql -h rabbit-mysql-replica -u root -p1234 << EOF
-CHANGE MASTER TO
-    MASTER_HOST='rabbit-mysql-master',
-    MASTER_USER='replica',
-    MASTER_PASSWORD='1234',
-    MASTER_LOG_FILE='$MASTER_FILE',
-    MASTER_LOG_POS=$MASTER_POSITION,
-    MASTER_CONNECT_RETRY=10,
-    MASTER_RETRY_COUNT=3;
-START SLAVE;
-EOF
-
-# 복제 연결 대기 및 상태 확인
-echo "복제 연결 대기 중..."
-for i in {1..30}; do
-    SLAVE_STATUS=$(mysql -h rabbit-mysql-replica -u root -p1234 -e "SHOW SLAVE STATUS\G" 2>/dev/null)
-    IO_RUNNING=$(echo "$SLAVE_STATUS" | grep "Slave_IO_Running:" | awk '{print $2}')
-    SQL_RUNNING=$(echo "$SLAVE_STATUS" | grep "Slave_SQL_Running:" | awk '{print $2}')
-
-    echo "시도 $i/30 - IO Running: $IO_RUNNING, SQL Running: $SQL_RUNNING"
-
-    if [ "$IO_RUNNING" = "Yes" ] && [ "$SQL_RUNNING" = "Yes" ]; then
-        echo "✅ MySQL Master-Replica 복제 설정이 성공적으로 완료되었습니다!"
-
-        # 복제 상태 상세 정보 출력
-        echo "=== 복제 상태 상세 정보 ==="
-        mysql -h rabbit-mysql-replica -u root -p1234 -e "SHOW SLAVE STATUS\G" | grep -E "(Slave_IO_Running|Slave_SQL_Running|Master_Host|Master_User|Read_Master_Log_Pos|Exec_Master_Log_Pos)"
-        exit 0
-    elif [ "$IO_RUNNING" = "No" ]; then
-        echo "❌ IO 스레드 연결 실패. 오류 확인 중..."
-        LAST_IO_ERROR=$(echo "$SLAVE_STATUS" | grep "Last_IO_Error:" | cut -d':' -f2- | xargs)
-        if [ -n "$LAST_IO_ERROR" ]; then
-            echo "IO 오류: $LAST_IO_ERROR"
-        fi
-        break
-    fi
-
-    sleep 2
-done
-
-echo "❌ 복제 설정에 문제가 발생했습니다."
-echo "최종 상태: IO Running: $IO_RUNNING, SQL Running: $SQL_RUNNING"
-
-# 오류 정보 출력
-echo "=== 복제 오류 정보 ==="
-mysql -h rabbit-mysql-replica -u root -p1234 -e "SHOW SLAVE STATUS\G" | grep -E "(Last_IO_Error|Last_SQL_Error)"
-
-exit 1
diff --git a/src/main/java/com/rabbitmqprac/application/controller/ChatMessageController.java b/src/main/java/com/rabbitmqprac/application/controller/ChatMessageController.java
index 868ae78..0ecbafb 100644
--- a/src/main/java/com/rabbitmqprac/application/controller/ChatMessageController.java
+++ b/src/main/java/com/rabbitmqprac/application/controller/ChatMessageController.java
@@ -9,7 +9,6 @@
 import lombok.RequiredArgsConstructor;
 import org.springframework.messaging.handler.annotation.DestinationVariable;
 import org.springframework.messaging.handler.annotation.MessageMapping;
-import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -29,7 +28,6 @@ public class ChatMessageController implements ChatMessageApi {
      * Destination Queue: /pub/chat.message.{chatRoomId}를 통해 호출 후 처리 되는 로직
      */
     @Override
-    @PreAuthorize("#chatRoomAccessChecker.hasPermission(#chatRoomId, principal)")
     @MessageMapping("chat.room.{chatRoomId}/message")
     public void sendMessage(UserPrincipal principal,
                             @DestinationVariable Long chatRoomId,
diff --git a/src/main/java/com/rabbitmqprac/config/SecurityConfig.java b/src/main/java/com/rabbitmqprac/config/SecurityConfig.java
index 1301cc2..b8a5734 100644
--- a/src/main/java/com/rabbitmqprac/config/SecurityConfig.java
+++ b/src/main/java/com/rabbitmqprac/config/SecurityConfig.java
@@ -14,6 +14,7 @@
 import org.springframework.core.annotation.Order;
 import org.springframework.http.HttpMethod;
 import org.springframework.security.config.Customizer;
+import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
 import org.springframework.security.config.annotation.web.AbstractRequestMatcherRegistry;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
@@ -39,6 +40,7 @@
 @Configuration
 @EnableWebSecurity
 @ConditionalOnDefaultWebSecurity
+@EnableMethodSecurity
 @RequiredArgsConstructor
 public class SecurityConfig {
     private final JwtAuthenticationFilter jwtAuthenticationFilter;
diff --git a/src/main/java/com/rabbitmqprac/domain/context/chatmessage/service/ChatMessageService.java b/src/main/java/com/rabbitmqprac/domain/context/chatmessage/service/ChatMessageService.java
index 0c6d8e8..284e4bc 100644
--- a/src/main/java/com/rabbitmqprac/domain/context/chatmessage/service/ChatMessageService.java
+++ b/src/main/java/com/rabbitmqprac/domain/context/chatmessage/service/ChatMessageService.java
@@ -16,6 +16,7 @@
 import com.rabbitmqprac.domain.persistence.usersession.entity.UserStatus;
 import com.rabbitmqprac.global.helper.RabbitPublisher;
 import lombok.RequiredArgsConstructor;
+import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -34,6 +35,7 @@ public class ChatMessageService {
     private final ChatMessageRepository chatMessageRepository;
     private final RabbitPublisher rabbitPublisher;
 
+    @PreAuthorize("@chatRoomMemberAuthorityValidator.isMember(#chatRoomId, #userId)")
     @Transactional
     public void sendMessage(Long userId, Long chatRoomId, ChatMessageReq req) {
         User user = entityFacade.readUser(userId);
@@ -45,6 +47,7 @@ public void sendMessage(Long userId, Long chatRoomId, ChatMessageReq req) {
         sendMessage(chatMessage, unreadMemberCnt, chatRoom);
     }
 
+    @PreAuthorize("@chatRoomMemberAuthorityValidator.isMember(#chatRoomId)")
     @Transactional(readOnly = true)
     public List<ChatMessageDetailRes> readChatMessagesBefore(Long chatRoomId, Long lastChatMessageId, int size) {
         List<ChatMessage> chatMessages = chatMessageRepository.findByChatRoomIdBefore(
@@ -137,16 +140,19 @@ private void sendMessage(ChatMessage chatMessage, int unreadMemberCnt, ChatRoom
         rabbitPublisher.publish(chatRoom.getId(), chatMessageRes);
     }
 
+    @PreAuthorize("@chatRoomMemberAuthorityValidator.isMember(#chatRoomId)")
     @Transactional(readOnly = true)
     public Optional<ChatMessage> readLastChatMessage(Long chatRoomId) {
         return chatMessageRepository.findTopByChatRoomIdOrderByCreatedAtDesc(chatRoomId);
     }
 
+    @PreAuthorize("@chatRoomMemberAuthorityValidator.isMember(#chatRoomId)")
     @Transactional(readOnly = true)
     public int countUnreadMessages(Long chatRoomId, Long lastReadMessageId) {
         return chatMessageRepository.countByChatRoomIdAndIdGreaterThan(chatRoomId, lastReadMessageId);
     }
 
+    @PreAuthorize("@chatRoomMemberAuthorityValidator.isMember(#chatRoomId)")
     @Transactional(readOnly = true)
     public List<ChatMessageDetailRes> readChatMessagesBetween(Long userId, Long chatRoomId, Long from, Long to) {
         List<ChatMessage> chatMessages = chatMessageRepository.findByChatRoomIdAndIdBetween(chatRoomId, from, to);
diff --git a/src/main/java/com/rabbitmqprac/domain/context/user/exception/UserErrorCode.java b/src/main/java/com/rabbitmqprac/domain/context/user/exception/UserErrorCode.java
index 1360eab..a8af4ef 100644
--- a/src/main/java/com/rabbitmqprac/domain/context/user/exception/UserErrorCode.java
+++ b/src/main/java/com/rabbitmqprac/domain/context/user/exception/UserErrorCode.java
@@ -9,6 +9,9 @@
 
 @RequiredArgsConstructor
 public enum UserErrorCode implements BaseErrorCode {
+    /* 403 FORBIDDEN */
+    FORBIDDEN(StatusCode.FORBIDDEN, ReasonCode.ACCESS_TO_THE_REQUESTED_RESOURCE_IS_FORBIDDEN, "사용자에게 권한이 없습니다."),
+
     /* 404 NOT FOUND */
     NOT_FOUND(StatusCode.NOT_FOUND, ReasonCode.REQUESTED_RESOURCE_NOT_FOUND, "회원을 찾을 수 없습니다."),
     CONFLICT_USERNAME(StatusCode.CONFLICT, ReasonCode.RESOURCE_ALREADY_EXISTS, "이미 존재하는 유저 아이디입니다");
diff --git a/src/main/java/com/rabbitmqprac/global/advice/GlobalExceptionAdvice.java b/src/main/java/com/rabbitmqprac/global/advice/GlobalExceptionAdvice.java
index d230644..318fe2c 100644
--- a/src/main/java/com/rabbitmqprac/global/advice/GlobalExceptionAdvice.java
+++ b/src/main/java/com/rabbitmqprac/global/advice/GlobalExceptionAdvice.java
@@ -1,6 +1,7 @@
 package com.rabbitmqprac.global.advice;
 
 import com.fasterxml.jackson.databind.exc.MismatchedInputException;
+import com.rabbitmqprac.domain.context.user.exception.UserErrorCode;
 import com.rabbitmqprac.global.exception.CustomValidationException;
 import com.rabbitmqprac.global.exception.GlobalErrorException;
 import com.rabbitmqprac.global.exception.payload.CausedBy;
@@ -14,6 +15,7 @@
 import org.springframework.http.ResponseEntity;
 import org.springframework.http.converter.HttpMessageNotReadableException;
 import org.springframework.http.converter.HttpMessageNotWritableException;
+import org.springframework.security.authorization.AuthorizationDeniedException;
 import org.springframework.validation.BindingResult;
 import org.springframework.web.HttpRequestMethodNotSupportedException;
 import org.springframework.web.bind.MethodArgumentNotValidException;
@@ -126,6 +128,19 @@ protected ErrorResponse handleAccessDeniedException(AccessDeniedException e) {
         return ErrorResponse.of(causedBy.getCode(), causedBy.getReason(), e.getMessage());
     }
 
+    /**
+     * @PreAuthorize 에서 검증 실패 시 발생하는 AuthorizationDeniedException 처리
+     */
+    @ResponseStatus(HttpStatus.FORBIDDEN)
+    @ExceptionHandler(AuthorizationDeniedException.class)
+    protected ErrorResponse handleAuthorizationDeniedException(AuthorizationDeniedException e) {
+        log.warn("handleAuthorizationDeniedException : {}", e.getMessage());
+        UserErrorCode errorCode = UserErrorCode.FORBIDDEN;
+        CausedBy causedBy = errorCode.causedBy();
+
+        return ErrorResponse.of(causedBy.getCode(), causedBy.getReason(), errorCode.getExplainError());
+    }
+
     /**
      * API 호출 시 객체 혹은 파라미터 데이터 값이 유효하지 않은 경우
      *
diff --git a/src/main/java/com/rabbitmqprac/infra/security/authorityvalidator/AuthorityValidator.java b/src/main/java/com/rabbitmqprac/infra/security/authorityvalidator/AuthorityValidator.java
new file mode 100644
index 0000000..4681ab6
--- /dev/null
+++ b/src/main/java/com/rabbitmqprac/infra/security/authorityvalidator/AuthorityValidator.java
@@ -0,0 +1,16 @@
+package com.rabbitmqprac.infra.security.authorityvalidator;
+
+import com.rabbitmqprac.domain.context.user.exception.UserErrorCode;
+import com.rabbitmqprac.domain.context.user.exception.UserErrorException;
+import com.rabbitmqprac.infra.security.authentication.SecurityUserDetails;
+import org.springframework.security.core.Authentication;
+
+public abstract class AuthorityValidator {
+    protected SecurityUserDetails isAuthenticated(Authentication authentication) {
+        if (authentication == null || !authentication.isAuthenticated()) {
+            throw new UserErrorException(UserErrorCode.FORBIDDEN);
+        }
+
+        return (SecurityUserDetails) authentication.getPrincipal();
+    }
+}
diff --git a/src/main/java/com/rabbitmqprac/infra/security/authorityvalidator/ChatRoomMemberAuthorityValidator.java b/src/main/java/com/rabbitmqprac/infra/security/authorityvalidator/ChatRoomMemberAuthorityValidator.java
new file mode 100644
index 0000000..af4b7cf
--- /dev/null
+++ b/src/main/java/com/rabbitmqprac/infra/security/authorityvalidator/ChatRoomMemberAuthorityValidator.java
@@ -0,0 +1,29 @@
+package com.rabbitmqprac.infra.security.authorityvalidator;
+
+import com.rabbitmqprac.domain.context.chatroommember.service.ChatRoomMemberService;
+import com.rabbitmqprac.infra.security.authentication.SecurityUserDetails;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.stereotype.Component;
+
+@Component("chatRoomMemberAuthorityValidator")
+@RequiredArgsConstructor
+public class ChatRoomMemberAuthorityValidator extends AuthorityValidator {
+    private final ChatRoomMemberService chatRoomMemberService;
+
+    public boolean isMember(Long chatRoomId) {
+        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
+        SecurityUserDetails userDetails = super.isAuthenticated(authentication);
+        Long currentUserId = userDetails.getUserId();
+
+        return chatRoomMemberService.isExists(chatRoomId, currentUserId);
+    }
+
+    /**
+     * STOMP는 HTTP와 달리 SecurityContextHolder에서 인증 정보를 가져올 수 없으므로, userId를 직접 받아서 검증한다.
+     */
+    public boolean isMember(Long chatRoomId, Long userId) {
+        return chatRoomMemberService.isExists(chatRoomId, userId);
+    }
+}
diff --git a/src/main/java/com/rabbitmqprac/infra/security/common/registry/ResourceAccessRegistry.java b/src/main/java/com/rabbitmqprac/infra/security/registry/ResourceCheckerRegistry.java
similarity index 74%
rename from src/main/java/com/rabbitmqprac/infra/security/common/registry/ResourceAccessRegistry.java
rename to src/main/java/com/rabbitmqprac/infra/security/registry/ResourceCheckerRegistry.java
index ba7903e..5ff3990 100644
--- a/src/main/java/com/rabbitmqprac/infra/security/common/registry/ResourceAccessRegistry.java
+++ b/src/main/java/com/rabbitmqprac/infra/security/registry/ResourceCheckerRegistry.java
@@ -1,12 +1,11 @@
-package com.rabbitmqprac.infra.security.common.registry;
+package com.rabbitmqprac.infra.security.registry;
 
-import com.rabbitmqprac.infra.stomp.exception.StompErrorCode;
-import com.rabbitmqprac.infra.stomp.exception.StompErrorException;
+import com.rabbitmqprac.infra.security.registry.checker.ChatRoomAccessChecker;
+import com.rabbitmqprac.infra.security.registry.checker.StompAuthorityChecker;
 import jakarta.annotation.PostConstruct;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
 
-import javax.swing.text.html.Option;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Optional;
@@ -18,8 +17,8 @@
  */
 @RequiredArgsConstructor
 @Component
-public class ResourceAccessRegistry {
-    private final Map<Pattern, ResourceAccessChecker> checkers = new HashMap<>();
+public class ResourceCheckerRegistry {
+    private final Map<Pattern, StompAuthorityChecker> checkers = new HashMap<>();
     private final ChatRoomAccessChecker chatRoomAccessChecker;
 
     @PostConstruct
@@ -27,7 +26,7 @@ public void setCheckers() {
         registerChecker("^/exchange/chat\\.exchange/room\\.\\d+$", chatRoomAccessChecker);
     }
 
-    public void registerChecker(final String pathPattern, final ResourceAccessChecker checker) {
+    public void registerChecker(final String pathPattern, final StompAuthorityChecker checker) {
         checkers.put(Pattern.compile(pathPattern), checker);
     }
 
@@ -38,7 +37,7 @@ public void registerChecker(final String pathPattern, final ResourceAccessChecke
      * @return ResourceAccessChecker : path에 대한 체커
      * @throws IllegalArgumentException : 해당 경로에 대한 체커가 없는 경우
      */
-    public Optional<ResourceAccessChecker> getChecker(final String path) {
+    public Optional<StompAuthorityChecker> getChecker(final String path) {
         return checkers.entrySet().stream()
                 .filter(entry -> entry.getKey().matcher(path).matches())
                 .map(Map.Entry::getValue)
diff --git a/src/main/java/com/rabbitmqprac/infra/security/common/registry/ChatRoomAccessChecker.java b/src/main/java/com/rabbitmqprac/infra/security/registry/checker/ChatRoomAccessChecker.java
similarity index 85%
rename from src/main/java/com/rabbitmqprac/infra/security/common/registry/ChatRoomAccessChecker.java
rename to src/main/java/com/rabbitmqprac/infra/security/registry/checker/ChatRoomAccessChecker.java
index a1adaae..0937f6b 100644
--- a/src/main/java/com/rabbitmqprac/infra/security/common/registry/ChatRoomAccessChecker.java
+++ b/src/main/java/com/rabbitmqprac/infra/security/registry/checker/ChatRoomAccessChecker.java
@@ -1,4 +1,4 @@
-package com.rabbitmqprac.infra.security.common.registry;
+package com.rabbitmqprac.infra.security.registry.checker;
 
 import com.rabbitmqprac.domain.context.chatroommember.service.ChatRoomMemberService;
 import lombok.RequiredArgsConstructor;
@@ -10,7 +10,7 @@
 @Slf4j
 @Component("chatRoomAccessChecker")
 @RequiredArgsConstructor
-public class ChatRoomAccessChecker implements ResourceAccessChecker {
+public class ChatRoomAccessChecker implements StompAuthorityChecker {
     private final ChatRoomMemberService chatRoomMemberService;
 
     @Override
diff --git a/src/main/java/com/rabbitmqprac/infra/security/common/registry/ResourceAccessChecker.java b/src/main/java/com/rabbitmqprac/infra/security/registry/checker/StompAuthorityChecker.java
similarity index 78%
rename from src/main/java/com/rabbitmqprac/infra/security/common/registry/ResourceAccessChecker.java
rename to src/main/java/com/rabbitmqprac/infra/security/registry/checker/StompAuthorityChecker.java
index ced40b2..c8963bf 100644
--- a/src/main/java/com/rabbitmqprac/infra/security/common/registry/ResourceAccessChecker.java
+++ b/src/main/java/com/rabbitmqprac/infra/security/registry/checker/StompAuthorityChecker.java
@@ -1,11 +1,11 @@
-package com.rabbitmqprac.infra.security.common.registry;
+package com.rabbitmqprac.infra.security.registry.checker;
 
 import java.security.Principal;
 
 /**
  * 리소스 접근 권한을 확인하는 인터페이스
  */
-public interface ResourceAccessChecker {
+public interface StompAuthorityChecker {
     /**
      * 리소스에 대한 접근 권한을 확인한다.
      *
diff --git a/src/main/java/com/rabbitmqprac/infra/stomp/handler/command/subscribe/ChatRoomAuthorizeHandler.java b/src/main/java/com/rabbitmqprac/infra/stomp/handler/command/subscribe/ChatRoomAuthorizeHandler.java
index 0debc03..8e5e960 100644
--- a/src/main/java/com/rabbitmqprac/infra/stomp/handler/command/subscribe/ChatRoomAuthorizeHandler.java
+++ b/src/main/java/com/rabbitmqprac/infra/stomp/handler/command/subscribe/ChatRoomAuthorizeHandler.java
@@ -1,7 +1,7 @@
 package com.rabbitmqprac.infra.stomp.handler.command.subscribe;
 
 import com.rabbitmqprac.domain.context.usersession.service.UserSessionService;
-import com.rabbitmqprac.infra.security.common.registry.ResourceAccessRegistry;
+import com.rabbitmqprac.infra.security.registry.ResourceCheckerRegistry;
 import com.rabbitmqprac.infra.stomp.exception.StompErrorCode;
 import com.rabbitmqprac.infra.stomp.exception.StompErrorException;
 import lombok.RequiredArgsConstructor;
@@ -14,7 +14,7 @@
 @Component
 @RequiredArgsConstructor
 public class ChatRoomAuthorizeHandler implements SubscribeCommandHandler {
-    private final ResourceAccessRegistry resourceAccessRegistry;
+    private final ResourceCheckerRegistry resourceCheckerRegistry;
     private final UserSessionService userSessionService;
 
     private static final String USER_EXCHANGE_PREFIX = "/user";
@@ -29,7 +29,7 @@ public void handle(Message<?> message, StompHeaderAccessor accessor) {
         }
 
         Long chatRoomId = extractChatRoomId(destination);
-        resourceAccessRegistry.getChecker(destination).ifPresent(checker -> {
+        resourceCheckerRegistry.getChecker(destination).ifPresent(checker -> {
             if (checker.hasPermission(chatRoomId, accessor.getUser())) {
                 Long userId = Long.parseLong(accessor.getUser().getName());
                 log.info("[Exchange 권한 검사] userId={}에 대한 {} 권한 검사 통과", userId, destination);
diff --git a/src/main/resources/data.sql b/src/main/resources/data.sql
index 4742b22..e21cc5b 100644
--- a/src/main/resources/data.sql
+++ b/src/main/resources/data.sql
@@ -13,12 +13,16 @@ DELETE
 FROM `chat_message`;
 DELETE
 FROM `oauth`;
+DELETE
+FROM `chat_message_status`;
+
 -- AUTO_INCREMENT 값 초기화
 ALTER TABLE `user` AUTO_INCREMENT = 1;
 ALTER TABLE `chat_room` AUTO_INCREMENT = 1;
 ALTER TABLE `chat_room_member` AUTO_INCREMENT = 1;
 ALTER TABLE `chat_message` AUTO_INCREMENT = 1;
 ALTER TABLE `oauth` AUTO_INCREMENT = 1;
+ALTER TABLE `chat_message_status` AUTO_INCREMENT = 1;
 
 -- 빠른 삽입을 위해 검사 비활성화
 /*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
@@ -39,16 +43,18 @@ LOCK
 TABLES `user` WRITE;
 /*!40000 ALTER TABLE `user` DISABLE KEYS */;
 INSERT INTO `user` (`user_id`, `username`, `password`, `nickname`, `role`, `created_at`, `updated_at`)
-VALUES (1, 'user_1', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', 'USER_1', 'USER', NOW(), NOW()),
-       (2, 'user_2', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', 'USER_2', 'USER', NOW(), NOW()),
-       (3, 'user_3', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', 'USER_3', 'USER', NOW(), NOW()),
-       (4, 'user_4', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', 'USER_4', 'USER', NOW(), NOW()),
-       (5, 'user_5', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', 'USER_5', 'USER', NOW(), NOW()),
-       (6, 'user_6', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', 'USER_6', 'USER', NOW(), NOW()),
-       (7, 'user_7', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', 'USER_7', 'USER', NOW(), NOW()),
-       (8, 'user_8', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', 'USER_8', 'USER', NOW(), NOW()),
-       (9, 'user_9', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', 'USER_9', 'USER', NOW(), NOW()),
-       (10, 'user_10', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', 'USER_10', 'USER', NOW(), NOW());
+VALUES (1, 'user_1', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', '귀여운토끼', 'USER', NOW(), NOW()),
+       (2, 'user_2', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', '용감한호랑이', 'USER', NOW(), NOW()),
+       (3, 'user_3', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', '지혜로운부엉이', 'USER', NOW(), NOW()),
+       (4, 'user_4', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', '빠른치타', 'USER', NOW(), NOW()),
+       (5, 'user_5', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', '성실한개미', 'USER', NOW(), NOW()),
+       (6, 'user_6', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', '재치있는여우', 'USER', NOW(), NOW()),
+       (7, 'user_7', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', '강인한곰', 'USER', NOW(), NOW()),
+       (8, 'user_8', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', '우아한백조', 'USER', NOW(), NOW()),
+       (9, 'user_9', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', '영리한돌고래', 'USER', NOW(), NOW()),
+       (10, 'user_10', '$2a$10$gcUz6PGJLUrSt1TF6/rnc.FLqJPzevnkzDx2yY2Y49ehhuAxhQ4WW', '신속한매', 'USER', NOW(), NOW()),
+       (11, 'admin', '$2a$10$KfN5M7d9YNGfK/7oQkHzFeLeG6eFv.zbDHL7qN9fUbbdS3G6wOEqK', 'ADMIN', 'ADMIN', NOW(), NOW()),
+       (12, 'guest', '$2a$10$OrK25aG4HqYbXk4NHtMzoOPF9V2B3oFfjkqhv8o1cX1j8xFWXZoe2', 'GUEST', 'USER', NOW(), NOW());
 /*!40000 ALTER TABLE `user` ENABLE KEYS */;
 UNLOCK
 TABLES;
@@ -57,12 +63,12 @@ LOCK
 TABLES `chat_room` WRITE;
 /*!40000 ALTER TABLE `chat_room` DISABLE KEYS */;
 INSERT INTO `chat_room` (`chat_room_id`, `title`, `max_capacity`, `created_at`, `updated_at`)
-VALUES (1, 'CHAT_ROOM_1', 10, NOW(), NOW()),
-       (2, 'CHAT_ROOM_2', 10, NOW(), NOW()),
-       (3, 'CHAT_ROOM_3', 10, NOW(), NOW()),
-       (4, 'CHAT_ROOM_4', 10, NOW(), NOW()),
-       (5, 'CHAT_ROOM_5', 10, NOW(), NOW()),
-       (6, 'CHAT_ROOM_6', 10, NOW(), NOW())
+VALUES (1, '노래 추천좀', 4, NOW(), NOW()),
+       (2, '점메추', 3, NOW(), NOW()),
+       (3, '재밌는 사람만', 10, NOW(), NOW()),
+       (4, '고민 들어줄 사람 있나요?', 2, NOW(), NOW()),
+       (5, '면접 준비 도와줄사람?', 3, NOW(), NOW()),
+       (6, '같이 노래방 갈사람 ㄱㄱ', 10, NOW(), NOW())
 ;
 
 /*!40000 ALTER TABLE `chat_room` ENABLE KEYS */;
@@ -73,18 +79,31 @@ LOCK
 TABLES `chat_room_member` WRITE;
 /*!40000 ALTER TABLE `chat_room_member` DISABLE KEYS */;
 INSERT INTO `chat_room_member` (`chat_room_member_id`, `chat_room_id`, `user_id`, `role`, `created_at`, `updated_at`)
-VALUES (1, 1, 1, 'ADMIN', NOW(), NOW()),
-       (2, 1, 2, 'MEMBER', NOW(), NOW()),
-       (3, 2, 1, 'MEMBER', NOW(), NOW()),
-       (4, 2, 2, 'ADMIN', NOW(), NOW()),
-       (5, 3, 1, 'MEMBER', NOW(), NOW()),
-       (6, 3, 2, 'MEMBER', NOW(), NOW()),
-       (7, 3, 3, 'ADMIN', NOW(), NOW()),
-       (8, 4, 1, 'MEMBER', NOW(), NOW()),
-       (9, 4, 2, 'MEMBER', NOW(), NOW()),
-       (10, 4, 3, 'MEMBER', NOW(), NOW()),
-       (11, 4, 4, 'ADMIN', NOW(), NOW())
-;
+VALUES
+-- 1번방: 노래 추천좀
+       (1, 1, 1, 'ADMIN', '2025-08-31 10:00:00', '2025-08-31 10:00:00'),
+       (2, 1, 4, 'MEMBER', '2025-08-31 10:01:00', '2025-08-31 10:01:00'),
+       (3, 1, 5, 'MEMBER', '2025-08-31 10:02:00', '2025-08-31 10:02:00'),
+-- 2번방: 점메추
+       (4, 2, 2, 'ADMIN', '2025-08-31 10:03:00', '2025-08-31 10:03:00'),
+       (5, 2, 6, 'MEMBER', '2025-08-31 10:04:00', '2025-08-31 10:04:00'),
+       (6, 2, 7, 'MEMBER', '2025-08-31 10:05:00', '2025-08-31 10:05:00'),
+-- 3번방: 재밌는 사람만
+       (7, 3, 3, 'ADMIN', '2025-08-31 10:06:00', '2025-08-31 10:06:00'),
+       (8, 3, 8, 'MEMBER', '2025-08-31 10:07:00', '2025-08-31 10:07:00'),
+       (9, 3, 9, 'MEMBER', '2025-08-31 10:08:00', '2025-08-31 10:08:00'),
+-- 4번방: 고민 들어줄 사람 있나요?
+       (10, 4, 4, 'ADMIN', '2025-08-31 10:09:00', '2025-08-31 10:09:00'),
+       (11, 4, 10, 'MEMBER', '2025-08-31 10:10:00', '2025-08-31 10:10:00'),
+       (12, 4, 11, 'MEMBER', '2025-08-31 10:11:00', '2025-08-31 10:11:00'),
+-- 5번방: 면접 준비 도와줄사람?
+       (13, 5, 1, 'ADMIN', '2025-08-31 10:12:00', '2025-08-31 10:12:00'),
+       (14, 5, 5, 'MEMBER', '2025-08-31 10:13:00', '2025-08-31 10:13:00'),
+       (15, 5, 6, 'MEMBER', '2025-08-31 10:14:00', '2025-08-31 10:14:00'),
+-- 6번방: 같이 노래방 갈사람 ㄱㄱ
+       (16, 6, 2, 'ADMIN', '2025-08-31 10:15:00', '2025-08-31 10:15:00'),
+       (17, 6, 7, 'MEMBER', '2025-08-31 10:16:00', '2025-08-31 10:16:00'),
+       (18, 6, 8, 'MEMBER', '2025-08-31 10:17:00', '2025-08-31 10:17:00');
 /*!40000 ALTER TABLE `chat_room_member` ENABLE KEYS */;
 UNLOCK
 TABLES;
@@ -93,19 +112,43 @@ LOCK
 TABLES `chat_message` WRITE;
 /*!40000 ALTER TABLE `chat_message` DISABLE KEYS */;
 INSERT INTO `chat_message` (`chat_message_id`, `chat_room_id`, `user_id`, `content`, `created_at`, `updated_at`)
-VALUES (1, 1, 1, '안녕하세요~', '2024-01-01 10:00:00', '2024-01-01 10:00:00'),
-       (2, 1, 2, '안녕하세요~', '2024-01-01 10:01:00', '2024-01-01 10:01:00'),
-       (3, 2, 1, '안녕하세요~', '2024-01-01 10:02:00', '2024-01-01 10:02:00'),
-       (4, 2, 2, '네 반갑습니다.', '2024-01-01 10:03:00', '2024-01-01 10:03:00'),
-       (5, 3, 1, '안녕하세요~', '2024-01-01 10:04:00', '2024-01-01 10:04:00'),
-       (6, 3, 2, '잘 부탁드립니다!', '2024-01-01 10:05:00', '2024-01-01 10:05:00'),
-       (7, 3, 3, '반갑습니다~', '2024-01-01 10:06:00', '2024-01-01 10:06:00'),
-       (8, 4, 1, '안녕하세요~', '2024-01-01 10:07:00', '2024-01-01 10:07:00'),
-       (9, 4, 2, '저는 백엔드입니다', '2024-01-01 10:08:00', '2024-01-01 10:08:00'),
-       (10, 4, 3, '저는 프론트입니다', '2024-01-01 10:09:00', '2024-01-01 10:09:00'),
-       (11, 4, 4, '저는 모바일입니다', '2024-01-01 10:10:00', '2024-01-01 10:10:00'),
-       (12, 4, 4, '저는 모바일입니다22', '2024-01-01 10:11:00', '2024-01-01 10:11:00')
-;
+VALUES
+-- 1번방: 노래 추천좀
+    (1, 1, 4, '요즘 듣기 좋은 노래 뭐 있어?', '2025-08-31 10:00:00', '2025-08-31 10:00:00'),
+    (2, 1, 5, '저는 뉴진스 노래 추천해요!', '2025-08-31 10:01:00', '2025-08-31 10:01:00'),
+    (3, 1, 1, '잔나비 노래도 좋아요!', '2025-08-31 10:02:00', '2025-08-31 10:02:00'),
+    (4, 1, 4, '혹시 발라드 추천해줄 사람?', '2025-08-31 10:03:00', '2025-08-31 10:03:00'),
+    (5, 1, 5, '폴킴 노래 들어보세요!', '2025-08-31 10:04:00', '2025-08-31 10:04:00'),
+
+-- 2번방: 점메추
+    (6, 2, 6, '오늘 점심 뭐 먹지?', '2025-08-31 10:05:00', '2025-08-31 10:05:00'),
+    (7, 2, 7, '김치찌개 어때요?', '2025-08-31 10:06:00', '2025-08-31 10:06:00'),
+    (8, 2, 2, '저는 샐러드 추천!', '2025-08-31 10:07:00', '2025-08-31 10:07:00'),
+
+-- 3번방: 재밌는 사람만
+    (9, 3, 8, '재밌는 얘기 해줄 사람?', '2025-08-31 10:08:00', '2025-08-31 10:08:00'),
+    (10, 3, 9, '어제 축구 봤어요? 완전 웃겼음!', '2025-08-31 10:09:00', '2025-08-31 10:09:00'),
+    (11, 3, 3, '밈 공유해요~', '2025-08-31 10:10:00', '2025-08-31 10:10:00'),
+    (12, 3, 8, '오늘 회사에서 있었던 썰 풀어봄', '2025-08-31 10:11:00', '2025-08-31 10:11:00'),
+
+-- 4번방: 고민 들어줄 사람 있나요?
+    (13, 4, 10, '요즘 진로 고민이 많아요...', '2025-08-31 10:12:00', '2025-08-31 10:12:00'),
+    (14, 4, 11, '무슨 고민인지 말해봐요!', '2025-08-31 10:13:00', '2025-08-31 10:13:00'),
+    (15, 4, 4, '저도 비슷한 고민 있었어요', '2025-08-31 10:14:00', '2025-08-31 10:14:00'),
+
+-- 5번방: 면접 준비 도와줄사람?
+    (16, 5, 5, '면접 준비 어떻게 해야 할까요?', '2025-08-31 10:15:00', '2025-08-31 10:15:00'),
+    (17, 5, 6, '자기소개 연습해봤어요?', '2025-08-31 10:16:00', '2025-08-31 10:16:00'),
+    (18, 5, 1, '기술 면접 팁 공유해요!', '2025-08-31 10:17:00', '2025-08-31 10:17:00'),
+    (19, 5, 5, '면접 질문 리스트 있어요?', '2025-08-31 10:18:00', '2025-08-31 10:18:00'),
+
+-- 6번방: 같이 노래방 갈사람 ㄱㄱ
+    (20, 6, 7, '노래방 언제 갈까요?', '2025-08-31 10:19:00', '2025-08-31 10:19:00'),
+    (21, 6, 8, '주말에 시간 되는 사람?', '2025-08-31 10:20:00', '2025-08-31 10:20:00'),
+    (22, 6, 2, '노래방에서 부를 곡 추천해요!', '2025-08-31 10:21:00', '2025-08-31 10:21:00'),
+    (23, 6, 7, '2차로 밥도 먹을래요?', '2025-08-31 10:22:00', '2025-08-31 10:22:00'),
+    (24, 6, 8, '노래방 예약은 누가 할까요?', '2025-08-31 10:23:00', '2025-08-31 10:23:00'),
+    (25, 6, 2, '다들 어떤 노래 좋아해요?', '2025-08-31 10:24:00', '2025-08-31 10:24:00');
 /*!40000 ALTER TABLE `chat_message` ENABLE KEYS */;
 UNLOCK
 TABLES;