diff --git a/accounts/migrations/0010_smsauthenticate_sms_count.py b/accounts/migrations/0010_smsauthenticate_sms_count.py
new file mode 100644
index 0000000..602fa8d
--- /dev/null
+++ b/accounts/migrations/0010_smsauthenticate_sms_count.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.1.1 on 2025-05-25 23:55
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0009_user_is_manager'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='smsauthenticate',
+            name='sms_count',
+            field=models.IntegerField(default=0, help_text='인증 코드 발송 횟수'),
+        ),
+    ]
diff --git a/accounts/migrations/0011_rename_sms_count_smsauthenticate_bad_sms_count.py b/accounts/migrations/0011_rename_sms_count_smsauthenticate_bad_sms_count.py
new file mode 100644
index 0000000..d453c60
--- /dev/null
+++ b/accounts/migrations/0011_rename_sms_count_smsauthenticate_bad_sms_count.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.1.1 on 2025-05-26 00:10
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('accounts', '0010_smsauthenticate_sms_count'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='smsauthenticate',
+            old_name='sms_count',
+            new_name='bad_sms_count',
+        ),
+    ]
diff --git a/accounts/models.py b/accounts/models.py
index a934db4..d98f252 100644
--- a/accounts/models.py
+++ b/accounts/models.py
@@ -59,7 +59,7 @@ class SMSAuthenticate(models.Model):
     user_phone = models.CharField(max_length=20, help_text="인증 받을 전화번호")
     sms_code = models.TextField(help_text="문자인증 코드")
     created_at = models.DateTimeField(auto_now_add=True, help_text="인증 코드 발송 시각")
-
+    bad_sms_count = models.IntegerField(default=0, help_text="인증 코드 발송 횟수")
     def __str__(self):
         return f"{self.user_phone} - {self.sms_code}"
 
diff --git a/accounts/views.py b/accounts/views.py
index 456ce1c..6b8c136 100644
--- a/accounts/views.py
+++ b/accounts/views.py
@@ -317,6 +317,25 @@ def send_sms(self, request):
                     "code": 429,
                     "data": [{"detail": "인증 코드는 3분에 한 번만 요청할 수 있습니다."}]
                 }, status=status.HTTP_429_TOO_MANY_REQUESTS)
+            
+            # 과도한 요청 방지 로직
+            # 마지막 인증 시각과 현재 시각의 차이를 계산
+            # 만약 마지막 인증 시각이 3분 이내라면 bad_sms_count 증가
+            # 만약 bad_sms_count가 10 이상이면 차단 처리
+            now = timezone.now()    
+            delta = (now - last.created_at).total_seconds()
+            if 3*60 < delta <= 3*60 + 5:
+                last.bad_sms_count += 1
+                last.save()
+
+            if last.bad_sms_count >= 10:
+                return Response({
+                    "status": "error",
+                    "message": "차단되었습니다",
+                    "code": 429,
+                    "data": [{"detail": "과도한 요청으로 인해 차단되었습니다."}]
+                }, status=status.HTTP_429_TOO_MANY_REQUESTS)
+            
         except SMSAuthenticate.DoesNotExist:
             pass