diff --git a/nhn/packages/vpc.py b/nhn/packages/vpc.py
index 2a53049..ab1f513 100644
--- a/nhn/packages/vpc.py
+++ b/nhn/packages/vpc.py
@@ -254,6 +254,103 @@ class ApiVpc(BaseAPI):
         url = f"{self.vpc_url}/v2.0/security-groups/{security_group_id}"
         return self._get(url)
 
+    def create_security_group(self, name: str, description: str = "") -> dict:
+        """
+        보안 그룹 생성
+
+        Args:
+            name: 보안 그룹 이름
+            description: 설명
+
+        Returns:
+            dict: 생성된 보안 그룹 정보
+        """
+        url = f"{self.vpc_url}/v2.0/security-groups"
+        payload = {"security_group": {"name": name, "description": description}}
+        logger.info(f"보안 그룹 생성 요청: {name}")
+        return self._post(url, payload)
+
+    def update_security_group(self, security_group_id: str, name: str = None, description: str = None) -> dict:
+        """보안 그룹 수정"""
+        url = f"{self.vpc_url}/v2.0/security-groups/{security_group_id}"
+        payload = {"security_group": {}}
+        if name is not None:
+            payload["security_group"]["name"] = name
+        if description is not None:
+            payload["security_group"]["description"] = description
+        logger.info(f"보안 그룹 수정 요청: {security_group_id}")
+        return self._put(url, payload)
+
+    def delete_security_group(self, security_group_id: str) -> dict:
+        """보안 그룹 삭제"""
+        url = f"{self.vpc_url}/v2.0/security-groups/{security_group_id}"
+        logger.info(f"보안 그룹 삭제 요청: {security_group_id}")
+        return self._delete(url)
+
+    # ==================== Security Group Rule ====================
+
+    def get_security_group_rule_list(self, security_group_id: str = None) -> dict:
+        """보안 그룹 규칙 목록 조회"""
+        url = f"{self.vpc_url}/v2.0/security-group-rules"
+        params = {}
+        if security_group_id:
+            params["security_group_id"] = security_group_id
+        return self._get(url, params=params if params else None)
+
+    def create_security_group_rule(
+        self,
+        security_group_id: str,
+        direction: str,
+        ethertype: str = "IPv4",
+        protocol: str = None,
+        port_range_min: int = None,
+        port_range_max: int = None,
+        remote_ip_prefix: str = None,
+        remote_group_id: str = None,
+        description: str = "",
+    ) -> dict:
+        """
+        보안 그룹 규칙 생성
+
+        Args:
+            security_group_id: 보안 그룹 ID
+            direction: 방향 (ingress/egress)
+            ethertype: IPv4/IPv6
+            protocol: 프로토콜 (tcp/udp/icmp 등)
+            port_range_min: 최소 포트
+            port_range_max: 최대 포트
+            remote_ip_prefix: 원격 IP 대역 (CIDR)
+            remote_group_id: 원격 보안 그룹 ID
+            description: 설명
+        """
+        url = f"{self.vpc_url}/v2.0/security-group-rules"
+        rule = {
+            "security_group_id": security_group_id,
+            "direction": direction,
+            "ethertype": ethertype,
+        }
+        if protocol:
+            rule["protocol"] = protocol
+        if port_range_min is not None:
+            rule["port_range_min"] = port_range_min
+        if port_range_max is not None:
+            rule["port_range_max"] = port_range_max
+        if remote_ip_prefix:
+            rule["remote_ip_prefix"] = remote_ip_prefix
+        if remote_group_id:
+            rule["remote_group_id"] = remote_group_id
+        if description:
+            rule["description"] = description
+        payload = {"security_group_rule": rule}
+        logger.info(f"보안 그룹 규칙 생성 요청: sg={security_group_id}, dir={direction}, proto={protocol}")
+        return self._post(url, payload)
+
+    def delete_security_group_rule(self, rule_id: str) -> dict:
+        """보안 그룹 규칙 삭제"""
+        url = f"{self.vpc_url}/v2.0/security-group-rules/{rule_id}"
+        logger.info(f"보안 그룹 규칙 삭제 요청: {rule_id}")
+        return self._delete(url)
+
     # ==================== Port (NIC) ====================
 
     def get_port_list(self) -> dict:
diff --git a/nhn/serializers.py b/nhn/serializers.py
index c07b7d5..f7316de 100644
--- a/nhn/serializers.py
+++ b/nhn/serializers.py
@@ -119,6 +119,92 @@ class SubnetSerializer(serializers.Serializer):
     )
 
 
+# ==================== Security Group ====================
+
+
+class SecurityGroupSerializer(serializers.Serializer):
+    """보안 그룹 생성 요청"""
+
+    name = serializers.CharField(
+        help_text="보안 그룹 이름",
+        max_length=255,
+    )
+    description = serializers.CharField(
+        help_text="설명",
+        required=False,
+        allow_blank=True,
+        default="",
+    )
+
+
+class SecurityGroupUpdateSerializer(serializers.Serializer):
+    """보안 그룹 수정 요청"""
+
+    name = serializers.CharField(
+        help_text="보안 그룹 이름",
+        required=False,
+        max_length=255,
+    )
+    description = serializers.CharField(
+        help_text="설명",
+        required=False,
+        allow_blank=True,
+    )
+
+
+class SecurityGroupRuleSerializer(serializers.Serializer):
+    """보안 그룹 규칙 생성 요청"""
+
+    security_group_id = serializers.CharField(
+        help_text="보안 그룹 ID",
+    )
+    direction = serializers.ChoiceField(
+        choices=["ingress", "egress"],
+        help_text="방향 (ingress: 인바운드, egress: 아웃바운드)",
+    )
+    ethertype = serializers.ChoiceField(
+        choices=["IPv4", "IPv6"],
+        help_text="IP 버전",
+        default="IPv4",
+    )
+    protocol = serializers.ChoiceField(
+        choices=["tcp", "udp", "icmp", ""],
+        help_text="프로토콜 (tcp, udp, icmp, 빈값=전체)",
+        required=False,
+        allow_blank=True,
+    )
+    port_range_min = serializers.IntegerField(
+        help_text="최소 포트 번호",
+        required=False,
+        allow_null=True,
+        min_value=1,
+        max_value=65535,
+    )
+    port_range_max = serializers.IntegerField(
+        help_text="최대 포트 번호",
+        required=False,
+        allow_null=True,
+        min_value=1,
+        max_value=65535,
+    )
+    remote_ip_prefix = serializers.CharField(
+        help_text="원격 IP 대역 (CIDR, 예: 0.0.0.0/0)",
+        required=False,
+        allow_blank=True,
+    )
+    remote_group_id = serializers.CharField(
+        help_text="원격 보안 그룹 ID",
+        required=False,
+        allow_blank=True,
+    )
+    description = serializers.CharField(
+        help_text="설명",
+        required=False,
+        allow_blank=True,
+        default="",
+    )
+
+
 # ==================== NKS ====================
 
 
diff --git a/nhn/urls.py b/nhn/urls.py
index 45aac6d..cbfa656 100644
--- a/nhn/urls.py
+++ b/nhn/urls.py
@@ -36,6 +36,12 @@ urlpatterns = [
 
     # ==================== Security Group ====================
     path("securitygroup/", views.SecurityGroupListView.as_view(), name="securitygroup-list"),
+    path("securitygroup/create/", views.SecurityGroupCreateView.as_view(), name="securitygroup-create"),
+    path("securitygroup/<str:security_group_id>/", views.SecurityGroupDetailView.as_view(), name="securitygroup-detail"),
+
+    # ==================== Security Group Rule ====================
+    path("securitygroup-rule/create/", views.SecurityGroupRuleCreateView.as_view(), name="securitygroup-rule-create"),
+    path("securitygroup-rule/<str:rule_id>/", views.SecurityGroupRuleDeleteView.as_view(), name="securitygroup-rule-delete"),
 
     # ==================== Async Task ====================
     path("tasks/", views.AsyncTaskListView.as_view(), name="task-list"),
diff --git a/nhn/views.py b/nhn/views.py
index 175a7f3..e8aa74a 100644
--- a/nhn/views.py
+++ b/nhn/views.py
@@ -19,6 +19,9 @@ from .serializers import (
     ComputeInstanceSerializer,
     VpcSerializer,
     SubnetSerializer,
+    SecurityGroupSerializer,
+    SecurityGroupUpdateSerializer,
+    SecurityGroupRuleSerializer,
     NksClusterSerializer,
     NksNodeGroupSerializer,
     NksNodeActionSerializer,
@@ -671,6 +674,145 @@ class SecurityGroupListView(NHNBaseView):
             return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)
 
 
+class SecurityGroupCreateView(NHNBaseView):
+    """보안 그룹 생성 API"""
+
+    @swagger_auto_schema(
+        operation_summary="보안 그룹 생성",
+        manual_parameters=[region_header, token_header],
+        request_body=SecurityGroupSerializer,
+        responses={201: "생성된 보안 그룹 정보"},
+    )
+    def post(self, request):
+        headers = get_nhn_headers(request)
+        serializer = SecurityGroupSerializer(data=request.data)
+        if not serializer.is_valid():
+            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+        try:
+            api = ApiVpc(headers["region"], headers["token"])
+            result = api.create_security_group(
+                name=serializer.validated_data["name"],
+                description=serializer.validated_data.get("description", ""),
+            )
+            logger.info(f"[SG] 보안 그룹 생성 성공: {serializer.validated_data['name']}")
+            return Response(result, status=status.HTTP_201_CREATED)
+        except NHNCloudAPIError as e:
+            logger.error(f"[SG] 보안 그룹 생성 실패 - error={e.message}")
+            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)
+
+
+class SecurityGroupDetailView(NHNBaseView):
+    """보안 그룹 상세 조회/수정/삭제 API"""
+
+    @swagger_auto_schema(
+        operation_summary="보안 그룹 상세 조회",
+        manual_parameters=[region_header, token_header],
+        responses={200: "보안 그룹 상세 정보"},
+    )
+    def get(self, request, security_group_id):
+        headers = get_nhn_headers(request)
+        try:
+            api = ApiVpc(headers["region"], headers["token"])
+            return Response(api.get_security_group_info(security_group_id))
+        except NHNCloudAPIError as e:
+            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)
+
+    @swagger_auto_schema(
+        operation_summary="보안 그룹 수정",
+        manual_parameters=[region_header, token_header],
+        request_body=SecurityGroupUpdateSerializer,
+        responses={200: "수정된 보안 그룹 정보"},
+    )
+    def put(self, request, security_group_id):
+        headers = get_nhn_headers(request)
+        serializer = SecurityGroupUpdateSerializer(data=request.data)
+        if not serializer.is_valid():
+            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+        try:
+            api = ApiVpc(headers["region"], headers["token"])
+            result = api.update_security_group(
+                security_group_id,
+                name=serializer.validated_data.get("name"),
+                description=serializer.validated_data.get("description"),
+            )
+            logger.info(f"[SG] 보안 그룹 수정 성공: {security_group_id}")
+            return Response(result)
+        except NHNCloudAPIError as e:
+            logger.error(f"[SG] 보안 그룹 수정 실패 - error={e.message}")
+            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)
+
+    @swagger_auto_schema(
+        operation_summary="보안 그룹 삭제",
+        manual_parameters=[region_header, token_header],
+        responses={204: "삭제 성공"},
+    )
+    def delete(self, request, security_group_id):
+        headers = get_nhn_headers(request)
+        try:
+            api = ApiVpc(headers["region"], headers["token"])
+            api.delete_security_group(security_group_id)
+            logger.info(f"[SG] 보안 그룹 삭제 성공: {security_group_id}")
+            return Response(status=status.HTTP_204_NO_CONTENT)
+        except NHNCloudAPIError as e:
+            logger.error(f"[SG] 보안 그룹 삭제 실패 - error={e.message}")
+            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)
+
+
+class SecurityGroupRuleCreateView(NHNBaseView):
+    """보안 그룹 규칙 생성 API"""
+
+    @swagger_auto_schema(
+        operation_summary="보안 그룹 규칙 생성",
+        manual_parameters=[region_header, token_header],
+        request_body=SecurityGroupRuleSerializer,
+        responses={201: "생성된 규칙 정보"},
+    )
+    def post(self, request):
+        headers = get_nhn_headers(request)
+        serializer = SecurityGroupRuleSerializer(data=request.data)
+        if not serializer.is_valid():
+            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+        try:
+            data = serializer.validated_data
+            api = ApiVpc(headers["region"], headers["token"])
+            result = api.create_security_group_rule(
+                security_group_id=data["security_group_id"],
+                direction=data["direction"],
+                ethertype=data.get("ethertype", "IPv4"),
+                protocol=data.get("protocol") or None,
+                port_range_min=data.get("port_range_min"),
+                port_range_max=data.get("port_range_max"),
+                remote_ip_prefix=data.get("remote_ip_prefix") or None,
+                remote_group_id=data.get("remote_group_id") or None,
+                description=data.get("description", ""),
+            )
+            logger.info(f"[SG Rule] 규칙 생성 성공: sg={data['security_group_id']}")
+            return Response(result, status=status.HTTP_201_CREATED)
+        except NHNCloudAPIError as e:
+            logger.error(f"[SG Rule] 규칙 생성 실패 - error={e.message}")
+            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)
+
+
+class SecurityGroupRuleDeleteView(NHNBaseView):
+    """보안 그룹 규칙 삭제 API"""
+
+    @swagger_auto_schema(
+        operation_summary="보안 그룹 규칙 삭제",
+        manual_parameters=[region_header, token_header],
+        responses={204: "삭제 성공"},
+    )
+    def delete(self, request, rule_id):
+        headers = get_nhn_headers(request)
+        try:
+            api = ApiVpc(headers["region"], headers["token"])
+            api.delete_security_group_rule(rule_id)
+            logger.info(f"[SG Rule] 규칙 삭제 성공: {rule_id}")
+            return Response(status=status.HTTP_204_NO_CONTENT)
+        except NHNCloudAPIError as e:
+            logger.error(f"[SG Rule] 규칙 삭제 실패 - error={e.message}")
+            return Response({"error": e.message}, status=status.HTTP_400_BAD_REQUEST)
+
+
 # ==================== Async Task API ====================
 
 
diff --git a/version b/version
index 8da573f..cea538f 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-v0.0.16
\ No newline at end of file
+v0.0.17
\ No newline at end of file