diff --git a/src/main/java/nlib/cmm/web/NotificationController.java b/src/main/java/nlib/cmm/web/NotificationController.java
index 6b638b74..c3d691b7 100644
--- a/src/main/java/nlib/cmm/web/NotificationController.java
+++ b/src/main/java/nlib/cmm/web/NotificationController.java
@@ -11,6 +11,7 @@ import javax.servlet.http.HttpSession;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.access.annotation.Secured;
 import org.springframework.security.core.Authentication;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
@@ -106,11 +107,13 @@ public class NotificationController extends NlibCommonController {
 	 * @param req
 	 * @return
 	 */
+	@Secured("ROLE_USER")
 	@RequestMapping(value="/cmm/listNotificationsAjax.do")
 	public ResponseEntity<String> listNotificationsAjax(HttpServletRequest req, 
-			Authentication authentication, @RequestBody Map<String, String> paramMap) throws Exception {
+			Authentication authentication, @RequestBody(required = false) Map<String, String> paramMap) throws Exception {
 
 		String mbInfoId = getMbInfoId(req);
+		if(paramMap == null) paramMap = new HashMap<String, String>();
 		int pageIndex = StringUtil.toNumber(paramMap.get("pageIndex"), 1);
 		int pageSize  = StringUtil.toNumber(paramMap.get("pageSize"), DEFUALT_PAGE_SIZE);
 		
diff --git a/src/main/java/nlib/security/CustomRequestCache.java b/src/main/java/nlib/security/CustomRequestCache.java
new file mode 100644
index 00000000..64ec938f
--- /dev/null
+++ b/src/main/java/nlib/security/CustomRequestCache.java
@@ -0,0 +1,38 @@
+package nlib.security;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.springframework.security.web.savedrequest.HttpSessionRequestCache;
+
+/**
+ * <pre>
+ * @Class Name : CustomRequestCache.java
+ * 
+ * @Description : 스프링 시큐리티에 권한 실패시 HttpSessionRequestCache에 저장되는 정보 커스터마이징 
+ * 
+ * 
+ * @프로젝트명: 지방문화원 통합자료관리시스템 구축사업 (2021)
+ *
+ * </pre>
+ *
+ * @ ------------    --------    ---------------------------
+ * @ 수정일                     수정자             수정내용
+ * @ ------------    --------    ---------------------------
+ * @ 2021. 11. 16.    KNKIM       최초 생성
+ *
+ * 
+ * @author 이씨플라자 * DIGITALSHIP KNKIM
+ * @since 2021. 11. 16.
+ * @version 1.0
+ *
+ */
+public class CustomRequestCache extends HttpSessionRequestCache {
+
+    @Override
+    public void saveRequest(HttpServletRequest request, HttpServletResponse response) {
+    	
+    	// Ajax Reqeust 들도 캐쉬되도록 처리함 
+        super.saveRequest(request, response);
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/nlib/security/SpringSecurityConfig.java b/src/main/java/nlib/security/SpringSecurityConfig.java
index 50cfa776..d0d89782 100644
--- a/src/main/java/nlib/security/SpringSecurityConfig.java
+++ b/src/main/java/nlib/security/SpringSecurityConfig.java
@@ -70,6 +70,7 @@ public class SpringSecurityConfig extends WebSecurityConfigurerAdapter {
 	protected void configure(HttpSecurity http) throws Exception {
 		http.authorizeRequests()
 			.antMatchers("/**").permitAll()
+		.and().requestCache().requestCache(new CustomRequestCache())
 		.and().formLogin()
 			  .loginPage(NlibProperty.getString("login.url") + "?login=req")
 			  .permitAll()
diff --git a/src/main/java/nlib/user/web/LoginController.java b/src/main/java/nlib/user/web/LoginController.java
index 4e70544e..6656e0f5 100644
--- a/src/main/java/nlib/user/web/LoginController.java
+++ b/src/main/java/nlib/user/web/LoginController.java
@@ -12,6 +12,9 @@ import javax.servlet.http.HttpSession;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
 import org.springframework.security.web.savedrequest.HttpSessionRequestCache;
 import org.springframework.security.web.savedrequest.RequestCache;
 import org.springframework.security.web.savedrequest.SavedRequest;
@@ -23,6 +26,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.servlet.mvc.support.RedirectAttributes;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+
 import egovframework.com.ext.oauth.service.OAuthConfig;
 import egovframework.com.ext.oauth.service.OAuthLogin;
 import egovframework.com.ext.oauth.service.OAuthUniversalUser;
@@ -113,7 +118,11 @@ public class LoginController extends NlibCommonController {
 		RequestCache cache = new HttpSessionRequestCache();
 		SavedRequest savedRequest = cache.getRequest(req, res);
 		if (savedRequest != null) {
-			councilReturnUrl = savedRequest.getRedirectUrl();
+			if(savedRequest.getRedirectUrl().contains("Ajax.do")) {
+				cache.removeRequest(req, res);
+			} else {
+				councilReturnUrl = savedRequest.getRedirectUrl();
+			}
 			log.debug("setCouncilInfo > HttpSessionRequestCache에서 획득 councilReturnUrl = " + councilReturnUrl);				
 		}
 
@@ -210,6 +219,23 @@ public class LoginController extends NlibCommonController {
 		return "redirect:" + redirect;
 	}
 	
+	/**
+	 * Ajax 요청에 대한 권한 부재시 오류 처리 
+	 * 
+	 * @param req
+	 * @param res
+	 * @return
+	 * @throws Exception
+	 */
+	@RequestMapping(value= {"/login/responseDeniedAuth.do"})
+	public ResponseEntity<String> responseDeniedAuth(HttpServletRequest req, HttpServletResponse res) throws Exception {
+		HttpHeaders headers = new HttpHeaders();
+	    headers.add(HttpHeaders.CONTENT_TYPE, "application/json; charset=UTF-8");
+		String errorStr = "로그인 후, 이용해 주시기 바랍니다.";
+		log.debug("responseDeniedAuth > errorStr=" + errorStr);
+		return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).headers(headers).body(errorStr);
+	}
+	
 	/**
 	 * 로그인 정보 입력 화면을 출력한다.
 	 * 
@@ -233,6 +259,16 @@ public class LoginController extends NlibCommonController {
 			Model model) throws Exception {
 		
 		String reqPath = req.getServletPath(); 
+
+		// Ajax 호출이면서 인증 오류에 따른 요청인 경우, Ajax용 RES 생성 함수로 전환 
+		if("req".equals(login)) {
+			RequestCache cache = new HttpSessionRequestCache();
+			SavedRequest savedRequest = cache.getRequest(req, res);
+			if (savedRequest != null && savedRequest.getRedirectUrl().contains("Ajax.do")) { 
+				cache.removeRequest(req, res);
+				return "redirect:/login/responseDeniedAuth.do";
+			}
+		}
 		
 		// callType
 		if(StringUtil.isEmpty(callType)) {
diff --git a/src/main/webapp/WEB-INF/jsp/nlib/cmm/listNotifications.jsp b/src/main/webapp/WEB-INF/jsp/nlib/cmm/listNotifications.jsp
index 4f92a559..bb8d782f 100644
--- a/src/main/webapp/WEB-INF/jsp/nlib/cmm/listNotifications.jsp
+++ b/src/main/webapp/WEB-INF/jsp/nlib/cmm/listNotifications.jsp
@@ -167,8 +167,8 @@ $( document ).ready(function() {
          
          pageLoad("fn_searchArticle", jsonObj.pagingPageIndex, jsonObj.pagingTotRecordCount, jsonObj.pagingStartPage, jsonObj.pagingEndPage, jsonObj.pagingLastPage); 
 
-     }).fail(function (jqXHR, textStatus, errorThrown) {
-         alert("조회에 실패하였습니다. 관리자에게 문의 바랍니다.");
+     }).fail(function (request, textStatus, errorThrown) {
+         alert("조회에 실패하였습니다. \n" + gfn_removeQuotes(request.responseText));
      });
  }
 
@@ -196,6 +196,7 @@ $( document ).ready(function() {
                         <span class="count">총 <em name="itemsCount" id="itemsCount">0</em>건</span>
                         <div class="text">
                             <p>-  최근 한달동안 발송된 알림 내역만 보관됩니다.</p>
+                            <button type="button" name="btnSearch" id="btnSearch">새로고침</button>
                         </div>
                     </div>