diff --git a/src/main/java/com/codiary/backend/domain/alert/controller/AlertController.java b/src/main/java/com/codiary/backend/domain/alert/controller/AlertController.java
index 56971e95..941bb6ae 100644
--- a/src/main/java/com/codiary/backend/domain/alert/controller/AlertController.java
+++ b/src/main/java/com/codiary/backend/domain/alert/controller/AlertController.java
@@ -7,6 +7,7 @@
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.MediaType;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
@@ -14,7 +15,7 @@
 
 @RestController
 @RequiredArgsConstructor
-@RequestMapping("/api/v2/")
+@RequestMapping("/api/v2")
 @Tag(name = "알람 API", description = "사용자 알람과 관련된 API를 제공합니다.")
 public class AlertController {
 
@@ -29,4 +30,13 @@ public SseEmitter alert(
         return alertService.connect(memberId);
     }
 
+    @DeleteMapping("/disconnect")
+    @Operation(summary = "알람 해지")
+    public void disconnectAlert(
+            @AuthenticationPrincipal CustomMemberDetails memberDetails
+    ) {
+        Long memberId = memberDetails.getId();
+        alertService.disconnect(memberId);
+    }
+
 }
diff --git a/src/main/java/com/codiary/backend/domain/alert/service/AlertService.java b/src/main/java/com/codiary/backend/domain/alert/service/AlertService.java
index 0a10c4c5..564d4085 100644
--- a/src/main/java/com/codiary/backend/domain/alert/service/AlertService.java
+++ b/src/main/java/com/codiary/backend/domain/alert/service/AlertService.java
@@ -44,6 +44,12 @@ public SseEmitter connect(Long memberId) {
         return emitter;
     }
 
+    public void disconnect(Long memberId) {
+        SseEmitter emitter = emitterRepository.getEmitterByMemberId(memberId);
+        send(emitter, "disconnect", "알람 연결이 해지되었습니다.", memberId);
+        emitterRepository.deleteAllEmittersAboutMember(memberId);
+    }
+
     public void sendBookmarkAlert(Bookmark bookmark) {
         // 알람 on/off 확인
 
diff --git a/src/main/java/com/codiary/backend/global/config/SecurityConfig.java b/src/main/java/com/codiary/backend/global/config/SecurityConfig.java
index d8e65981..9deb1023 100644
--- a/src/main/java/com/codiary/backend/global/config/SecurityConfig.java
+++ b/src/main/java/com/codiary/backend/global/config/SecurityConfig.java
@@ -73,6 +73,8 @@ public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Excepti
                                 // Calendar 관련 접근
                                 // Project 관련 접근
                                 // Category 관련 접근
+                                // 알람 관련 접근
+                                .requestMatchers("/api/v2/connect", "/api/v2/disconnect").permitAll()
                                 // 기타 관련 접근
                                 .requestMatchers("/", "/api-docs/**", "/api-docs/swagger-config/*", "/swagger-ui/*", "/swagger-ui/**", "/v3/api-docs/**").permitAll()
                                 .anyRequest().authenticated()