diff --git a/BO/Controllers/AccountController.cs b/BO/Controllers/AccountController.cs
index 442bcb9..2bf4b43 100644
--- a/BO/Controllers/AccountController.cs
+++ b/BO/Controllers/AccountController.cs
@@ -30,6 +30,9 @@ namespace NP.BO.Controllers
             {
                 vm.SavedId = CookieGet("SavedId", "");
             }
+
+            // 로그인 실패 카운트 초기화
+            vm.logincnt = 0;
             return View(vm);
         }
         public JsonResult PassGet(String pw)
@@ -39,6 +42,7 @@ namespace NP.BO.Controllers
         [HttpPost]
         public ActionResult Index(VMUser vm, string returnUrl = null)
         {
+
             ViewData["ReturnUrl"] = returnUrl;
             if (!string.IsNullOrEmpty(vm.SavedId))
             {
@@ -63,11 +67,37 @@ namespace NP.BO.Controllers
                 {
                     LoginStatus = 1;
                     ht["userno"] = u.userno;
+
+                    // 최근로그인시점 + 90일  일 경우, 비활성처리
+                    if (DateTime.Now >= u.logintime.AddMonths(3))
+                    {
+                        Random r = new Random();
+                        var loginkey = r.Next(10000000, 99999999);
+                        Dao.Save("users.loginkey", new Hashtable() { { "userno", u.userno }, { "loginkey", loginkey } });
+                        Dao.Save("users.disable", new Hashtable() { { "userno", u.userno } });
+                        u.status = 9;
+                    }
+
                     //vm.IntranetIPs = Dao.Get<IntranetIP>("users.intranetip", new Hashtable() { {"IsActive", 1 } });
-                    //0: 정상(로그인성공), 1: 정상(외부아이피), 2: 비밀번호오류, 3: 아이디오류, 4: 외부아이피차단, 5: 퇴사자, 6: 사용안함, 7: 크래킹공격
-                    if (u.status != 1) { LoginStatus = 6; }
+                    //0: 정상(로그인성공), 1: 정상(외부아이피), 2: 비밀번호오류, 3: 아이디오류, 4: 외부아이피차단, 5: 퇴사자, 6: 사용안함, 7: 크래킹공격, 8:비활성상태
+                    if (u.status != 1) { 
+                        if (u.status == 9) {
+                            LoginStatus = 8;
+                        } else
+                        {
+                            LoginStatus = 6;
+                        }
+                    }
                     //else if (u.RetireDate != null) { LoginStatus = 5; }
-                    else if (!"192.168.0.87,192.168.0.56,127.0.0.1,59.150.105.198".Contains(SUserInfo.LoginIP) && !u.userpass.Equals(NP.Base.Lib.KISA_SHA256.SHA256Hash(vm.User.userpass.Trim()))) { LoginStatus = 2; }
+                    else if (!"192.168.1.3,127.0.0.1,192.168.0.87,192.168.0.56,59.150.105.198".Contains(SUserInfo.LoginIP) && !u.userpass.Equals(NP.Base.Lib.KISA_SHA256.SHA256Hash(vm.User.userpass.Trim()))) {
+                        LoginStatus = 2;
+                        // 로그인 실패 카운트 증가
+                        vm.logincnt++;
+                        // 로그인 비밀번호 5번 실패시, 비활성화 처리
+                        if (vm.logincnt > 4) {
+                            Dao.Save("users.disable", new Hashtable() { { "userno", u.userno } });
+                        }
+                    }
                     else
                     {
                         //var isIntranet = false;
@@ -87,8 +117,10 @@ namespace NP.BO.Controllers
                         //else if (u.Security == 1 && !"127.0.0.1,59.150.105.198".Contains(SUserInfo.LoginIP)) { LoginStatus = 4; }
                         LoginStatus = 0;
                     }
+
                     ht["loginstatus"] = LoginStatus;
                     Dao.Insert("users.loginlog", ht);
+
                     if(LoginStatus < 2)
                     {
                         Random r = new Random();
diff --git a/BO/Controllers/cmController.cs b/BO/Controllers/cmController.cs
index 7c4418d..c857cb4 100644
--- a/BO/Controllers/cmController.cs
+++ b/BO/Controllers/cmController.cs
@@ -536,5 +536,6 @@ namespace NP.BO.Controllers
             }
             return View(vm);
         }
+
     }
 }
diff --git a/BO/Controllers/userController.cs b/BO/Controllers/userController.cs
index edc0538..8e167dd 100644
--- a/BO/Controllers/userController.cs
+++ b/BO/Controllers/userController.cs
@@ -295,5 +295,12 @@ namespace NP.BO.Controllers
             }
             return View(vm);
         }
+
+        // 비밀번호 90일 경과된 사용자 정보 조회
+        public ActionResult pwchange(VMUser vm)
+        {
+            vm.User = Dao.Get<Users>("users.users", new System.Collections.Hashtable() { { "userno", SUserInfo.UserNo }, { "includesysadmin", 1 } }).First();
+            return View(vm);
+        }
     }
 }
diff --git a/BO/Spring/Controllers.xml b/BO/Spring/Controllers.xml
index 311e9e3..b78ea35 100644
--- a/BO/Spring/Controllers.xml
+++ b/BO/Spring/Controllers.xml
@@ -17,7 +17,7 @@
         <property name="OnCode1" value="On001" />
         <property name="OnCode2" value="On002" />
         <property name="OnCode3" value="On003" />
-        <property name="IsDupCheck" value="0" />
+        <property name="IsDupCheck" value="1" />
 
         <!--자격검정-->
         <property name="TestCode" value="Test" />
diff --git a/BO/Spring/ControllersStaging.xml b/BO/Spring/ControllersStaging.xml
index d51fc25..01963dc 100644
--- a/BO/Spring/ControllersStaging.xml
+++ b/BO/Spring/ControllersStaging.xml
@@ -17,7 +17,7 @@
         <property name="OnCode1" value="On001" />
         <property name="OnCode2" value="On002" />
         <property name="OnCode3" value="On003" />
-        <property name="IsDupCheck" value="0" />
+        <property name="IsDupCheck" value="1" />
 
         <!--자격검정-->
         <property name="TestCode" value="Test" />
diff --git a/BO/Views/Account/Index.cshtml b/BO/Views/Account/Index.cshtml
index 71a0045..0b69279 100644
--- a/BO/Views/Account/Index.cshtml
+++ b/BO/Views/Account/Index.cshtml
@@ -55,6 +55,9 @@
                         - 본 시스템은 <span style="color: red;">구글 크롬</span></b>에 최적화되어있습니다.<br />
                         - 타 브라우저로 접근 시 일부 기능이 제한될 수 있습니다.(<a style="text-decoration: underline;" href="https://www.google.com/intl/ko_ALL/chrome/" target="_blank" title="크롬다운로드">크롬 다운로드</a>)
                     </div>*@
+
+
+                    <input type="hidden" id="logincnt" name="logincnt" value="0"/>
                 </form>
             </section>
         </div>
@@ -69,7 +72,7 @@
     <script src="/js/app.js"></script>
     <script src="/js/app.plugin.js"></script>
     <script src="/js/slimscroll/jquery.slimscroll.min.js"></script>*@
-    <script>
+<script>
         window.onunload=function(){
             window.location.replace(self.location);
         }
@@ -80,6 +83,10 @@
                 }
             }
         });
+
+        // 로그인 실패 카운트
+        var login_cnt = @Model.logincnt;
+
         $(document).ready(function () {
             $("input").on("keydown", function (e) {
                 if (e.keyCode == 13) {
@@ -98,10 +105,20 @@
             if ($("#user_UserId").val() !== "") {
                 $("#pw").focus();
             }
+
+
+
             if ('@(Model.IsLoginFailed?1:0)' == '1') {
                 switch ('@Model.LoginFailedId') {
                     case "2":
                     case "3":
+                        // 로그인 비밀번호 5번 실패시
+                        if (@Model.logincnt > 4) {
+                            $('#xxx').html("비밀 번호가 5회 틀렸습니다. 관리자에게 문의해주세요.");
+                            $(".xxx").show();
+                            break;
+                        }
+
                         $('#xxx').html("계정을 확인 후 다시 로그인하세요.");
                         $(".xxx").show();
                         break;
@@ -109,6 +126,10 @@
                         $('#xxx').html("외부접근이 차단된 상태입니다.");
                         $(".xxx").show();
                         break;
+                    case "8":
+                        $('#xxx').html("해당 계정은 잠금상태입니다. 관리자에게 문의해주세요");
+                        $(".xxx").show();
+                        break;
                     case "5":
                     case "6":
                     case "7":
@@ -145,6 +166,7 @@
         //    catch (e) { }
         //    return false;
         //}
+
         function login() {
             if ($.trim($("#user_UserId").val()) === "") {
                 _focus = $("#user_UserId");
@@ -161,11 +183,14 @@
                 if ($("#SavedId2").prop("checked")) {
                     $("#SavedId").val($.trim($("#user_UserId").val()));
                 }
+
+                setv("logincnt", login_cnt)
+
                 $("#fmlogin").submit();
             }
         }
         var _focus;
-    </script>
+</script>
     <div class="xxx" style="position: fixed; z-index: 10; background-color: #555; opacity: 0.7; left: 0; top: 0; right: 0; bottom: 0; display: none;"></div>
     <div class="xxx" id="msginfo" style="position: fixed; z-index: 11; background-color: #ddd; left: 50%; width: 50%; text-align: center; margin-left: -25%; top: 30%; padding: 30px 30px; border-radius: 5px; font-size: 18px; display: none;">
         <span id="xxx">인증시간이 초과되어 로그아웃되었습니다.</span>
diff --git a/BO/Views/Home/Index.cshtml b/BO/Views/Home/Index.cshtml
index 0eefe42..ec732b1 100644
--- a/BO/Views/Home/Index.cshtml
+++ b/BO/Views/Home/Index.cshtml
@@ -33,7 +33,7 @@
         <table class="table table-striped b-t b-light">
             <thead>
                 <tr>
-                    <th>구분</th>
+                    <th>구분 '@(ViewBag.SSPWC)'</th>
                     <th>상위분류</th>
                     <th>유형</th>
                     <th>강좌명(반)</th>
@@ -74,6 +74,13 @@
 }
 @section scripts{
     <script>
+        $(document).ready(function () {            
+            if ('@(ViewBag.SSPWC)' == 'True') {
+                showramemainlayer('/user/pwchange');
+                $("#mainlayerframe").css("width", "520px");
+                $("#mainlayerframe").css("height", "520px");
+            }
+        });
         $("#stringval").on('keydown', function(e) {
             if (e.keyCode == 13) {
                 capp("/acommon/cmget", {ismaster:0, cname: val("stringval"), iscurrent:1,orderby : "a.setime desc, t.tyear desc,t.tseq desc,a.cname,a.classno"}, "cbget");
diff --git a/BO/Views/cm/terms.cshtml b/BO/Views/cm/terms.cshtml
index c457d94..339b83c 100644
--- a/BO/Views/cm/terms.cshtml
+++ b/BO/Views/cm/terms.cshtml
@@ -61,6 +61,12 @@
 @section scripts{
     <script>
         $(document).ready(function () {
+            if ('@(ViewBag.SSPWC)' == 'True') {
+                showramemainlayer('/user/pwchange');
+                $("#mainlayerframe").css("width", "520px");
+                $("#mainlayerframe").css("height", "520px");
+            }
+
             $("#stringval").on("change", function () {
                 submit();
             });
diff --git a/BO/Views/croom/grades.cshtml b/BO/Views/croom/grades.cshtml
index c767853..6dd3268 100644
--- a/BO/Views/croom/grades.cshtml
+++ b/BO/Views/croom/grades.cshtml
@@ -96,6 +96,13 @@
     <script>
         var terms = '@(string.Join(";", Model.Terms.Select(s=>string.Format("{0}:{1}:{2}", s.tmno, s.tyear, s.tseq))))';
         $(document).ready(function () {
+            alert('2');
+            if ('@(Model.IsProf)' == 'True' && '@(ViewBag.SSPWC)' == 'True') {
+                showramemainlayer('/user/pwchange');
+                $("#mainlayerframe").css("width", "520px");
+                $("#mainlayerframe").css("height", "520px");
+            }
+
             $("#stringval").on("change", function () {
                 $("#stringval2 option:gt(0)").remove();
                 var y = $(this).val();
diff --git a/BO/Views/user/us.cshtml b/BO/Views/user/us.cshtml
index 1473718..0020bc0 100644
--- a/BO/Views/user/us.cshtml
+++ b/BO/Views/user/us.cshtml
@@ -159,7 +159,11 @@ else if (Model.viewname == "admin")
 @section scripts{
     <script>
         $(document).ready(function () {
-            
+            if ('@(ViewBag.issiteadmin)' == 'True' && '@(Model.viewname)' == 'user' && '@(ViewBag.SSPWC)' == 'True') {
+                showramemainlayer('/user/pwchange');
+                $("#mainlayerframe").css("width", "520px");
+                $("#mainlayerframe").css("height", "520px");
+            }
         });
         function reg(no) {
             if (no < 0) {
diff --git a/BO/js/site.js b/BO/js/site.js
index ef8e67a..9fbc34c 100644
--- a/BO/js/site.js
+++ b/BO/js/site.js
@@ -1170,6 +1170,12 @@ function ispassword(v) {
     //return passwordRules.test(v);
     return $.trim(v).length > 5;
 }
+
+function ispass(v) {
+    var r = /^(?=.*[a-zA-Z])(?=.*[!@#$%^&~*+=-])(?=.*[0-9]).{8,20}$/;
+    return r.test(v);
+}
+
 function isemail(v) {
     //이메일 검사
     var regExp = /^[0-9a-zA-Z]([-_\.]?[0-9a-zA-Z])*@[0-9a-zA-Z]([-_\.]?[0-9a-zA-Z])*\.[a-zA-Z]{2,3}$/i;
diff --git a/Base/Controller/ACommonUser.cs b/Base/Controller/ACommonUser.cs
index 42c9175..ff404e9 100644
--- a/Base/Controller/ACommonUser.cs
+++ b/Base/Controller/ACommonUser.cs
@@ -242,6 +242,31 @@ namespace NP.Base.Controllers
         {
             return JsonOK(Dao.Save("councel.del",new Hashtable(){ {"bno",bno },{"uno",SUserInfo.UserNo },{"uip",GetUserIP() } }));
         }
+
+        /// <summary>
+        /// pwchange partial 팝업 내 비밀번로 변경
+        /// </summary>
+        /// <param name="vm"></param>
+        /// <returns></returns>
+        [HttpPost]
+        public JsonResult PwChange(VMUser vm)
+        {
+            if (string.IsNullOrEmpty(vm.User.userpass) || vm.User.userpass.Trim() == "")
+            {
+                if (Dao.Save("users.resetuserpass", new Hashtable() { { "userno", vm.User.userno } }) > 0)
+                {
+                    return JsonOK(1);
+                }
+            }
+            if (vm.User.userno > 0 && !string.IsNullOrEmpty(vm.User.userpass) && vm.User.userpass.Trim() != "")
+            {
+                if (Dao.Save("users.resetuserpass", new Hashtable() { { "userpass", NP.Base.Lib.KISA_SHA256.SHA256Hash(vm.User.userpass) }, { "userno", vm.User.userno } }) > 0)
+                {
+                    return JsonOK(1);
+                }
+            }
+            return JsonOK(0);
+        }
     }
 
 }
\ No newline at end of file
diff --git a/Base/Controller/BaseController.cs b/Base/Controller/BaseController.cs
index 8967116..4618437 100644
--- a/Base/Controller/BaseController.cs
+++ b/Base/Controller/BaseController.cs
@@ -76,6 +76,7 @@ namespace NP.Base
                     ViewBag.SSUserInfo = SUserInfo.UserInfo = sui[5];//관리자가 사용자backdoor진입시 "usertype.userno" 값으로 사용자 세션 제거 안하도록 사용하는 구분자 필드
                     ViewBag.SSLoginKey = SUserInfo.LoginKey = Convert.ToInt32(sui[6]); //로그인키
                     ViewBag.SSLoginTime = sui[7];
+                    ViewBag.SSPWC = false;
                     //filterContext.Result = new RedirectResult("/Account/Error?_code=9991");
                     //최근서버접속시간이 30분 초과되었고 현재시간이 18시 이후라면 자동로그아웃 처리
                     //또는 최근서버접속시간이 8시간(480분) 초과되었다면 자동로그아웃 처리
@@ -89,6 +90,7 @@ namespace NP.Base
                             {
                                 tc = filterContext.HttpContext.Request.Cookies[SUIFTCROOM];
                             }
+                            // 쿠키 시간 설정
                             if (tc == null || string.IsNullOrEmpty(tc.Value) || Convert.ToDateTime(DecString(tc.Value)).AddHours(8) < DateTime.Now)
                             {
                                 CookieClear(null, true);
@@ -137,9 +139,18 @@ namespace NP.Base
                                         CookieClear(null, true);
                                         filterContext.Result = new RedirectResult("/Account/Index?istimeout=true");
                                     }
+                                    else if (data.FirstOrDefault().dtype == 0) // 중복 로그인 차단
+                                    {
+                                        CookieClear(null, true);
+                                        filterContext.Result = new RedirectResult("/Account/Index?istimeout=true");
+                                    }
                                     else
                                     {
                                         ViewBag.MainMemoNotCount = data.First().intval;
+                                        if (data.FirstOrDefault().time != null && data.FirstOrDefault().time.AddMonths(3) < DateTime.Now)
+                                        {
+                                            ViewBag.SSPWC = true;
+                                        }
                                     }
 
                                 }
diff --git a/Dao/MyBatis/Maps/Common.xml b/Dao/MyBatis/Maps/Common.xml
index b014816..fb7f686 100644
--- a/Dao/MyBatis/Maps/Common.xml
+++ b/Dao/MyBatis/Maps/Common.xml
@@ -30,7 +30,7 @@
             where a.userno=#userno# and (a.loginkey=#loginkey# or #IsDupCheck#=0)
         </select>
         <select id="common.check.admin" parameterClass="hashtable" resultClass="data">
-            select a.userno dtype, count(b.mno) intval
+            select a.userno dtype, a.udt time, count(b.mno) intval
             from users a
             left outer join memouser b on b.userno=a.userno and b.isread=0 and b.isdel=0
             where a.userno=#userno# and (a.loginkey=#loginkey# or #IsDupCheck#=0)
diff --git a/Dao/MyBatis/Maps/User.xml b/Dao/MyBatis/Maps/User.xml
index 181672b..fb3434f 100644
--- a/Dao/MyBatis/Maps/User.xml
+++ b/Dao/MyBatis/Maps/User.xml
@@ -43,10 +43,10 @@
             </dynamic>
         </sql>
         <select id="users.adminlogin" parameterClass="hashtable" resultClass="users">
-            select userno,a.username,a.status,a.userpass, usertype,a.asno
-            from users a
-            left outer join assign b on b.asno=a.asno
-            where a.userid=#userid# and a.usertype &gt; 10 and (a.usertype &lt;&gt; 81 or (a.usertype = 81 and b.status=1))
+			select userno,a.username,a.status,a.userpass, usertype,a.asno, a.logintime
+			from users a
+			left outer join assign b on b.asno=a.asno
+			where a.userid=#userid# and a.usertype &gt; 10 and (a.usertype &lt;&gt; 81 or (a.usertype = 81 and b.status=1))
         </select>
         <insert id="users.loginlog" parameterClass="hashtable">
             insert into loginlog (logsite,userno, loginstatus, logindata, <include refid="sql.inc"></include>) values (#loginsite#,#userno#, #loginstatus#, #logindata#, <include refid="sql.inv"></include>)
@@ -760,6 +760,19 @@
           where a.isdel=0
             <isNotNull property="userno" prepend="and">b.userno=#userno#</isNotNull>
         </select>
+
+		<update id="users.disable" parameterClass="hashtable">
+			update users set status = 9
+			<dynamic prepend="where">
+				<isNotNull property="userid" prepend="and">userid =#userid#</isNotNull>
+				<isNotNull property="userno" prepend="and">userno =#userno#</isNotNull>
+			</dynamic>
+		</update>
+
+    <update id="users.resetuserpass" parameterClass="hashtable">
+      update users set <isNotEmpty property="userpass">userpass=#userpass#,</isNotEmpty>udt=<include refid="sql.now"></include> where userno=#userno#
+    </update>  
+		
     </statements>
 </sqlMap>
 
diff --git a/Model/VMUser.cs b/Model/VMUser.cs
index 0c0c005..d06cd40 100644
--- a/Model/VMUser.cs
+++ b/Model/VMUser.cs
@@ -25,6 +25,9 @@ namespace NP.Model
         public Councel Councel{get; set;}
         public IList<Councel> Councels{get; set;}
         
-
+        /// <summary>
+        ///  로그인 실패 카운트
+        /// </summary>
+        public int logincnt { get; set; }
     }
 }