diff --git a/AxonIvyPortal/portal/src/ch/addon/portal/generic/menu/MenuView.java b/AxonIvyPortal/portal/src/ch/addon/portal/generic/menu/MenuView.java
index 25dc3cf939d..c532fd7c412 100644
--- a/AxonIvyPortal/portal/src/ch/addon/portal/generic/menu/MenuView.java
+++ b/AxonIvyPortal/portal/src/ch/addon/portal/generic/menu/MenuView.java
@@ -13,7 +13,6 @@
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
-import java.util.UUID;
 
 import javax.faces.bean.ManagedBean;
 import javax.faces.bean.ViewScoped;
@@ -37,14 +36,11 @@
 import ch.addon.portal.generic.userprofile.homepage.HomepageUtils;
 import ch.ivy.addon.portal.generic.navigation.PortalNavigator;
 import ch.ivy.addon.portalkit.configuration.Application;
-import ch.ivy.addon.portalkit.constant.IvyCacheIdentifier;
 import ch.ivy.addon.portalkit.dto.DisplayName;
 import ch.ivy.addon.portalkit.dto.dashboard.Dashboard;
 import ch.ivy.addon.portalkit.enums.BreadCrumbKind;
 import ch.ivy.addon.portalkit.enums.MenuKind;
-import ch.ivy.addon.portalkit.enums.SessionAttribute;
 import ch.ivy.addon.portalkit.service.ApplicationMultiLanguage;
-import ch.ivy.addon.portalkit.service.IvyCacheService;
 import ch.ivy.addon.portalkit.service.MainMenuEntryService;
 import ch.ivy.addon.portalkit.util.DashboardUtils;
 import ch.ivy.addon.portalkit.util.UrlUtils;
@@ -159,7 +155,7 @@ private MenuElement buildDashboardItem() {
       String localizedTitle = getLocalizedTitle(dashboard, currentLanguage, dashboardTitle);
       return buildSingleDashboardMenu(localizedTitle, dashboardId, dashboardLink, dashboard.getIcon());
     }
-    
+
     return buildSingleDashboardMenu(dashboardTitle, "", dashboardLink, "");
   }
 
@@ -175,8 +171,7 @@ private String determineDashboardLink() {
   }
 
   private List<Dashboard> getSubItemDashboards() {
-    var dashboards = getDashboardCache().dashboards;
-    return dashboards.stream().filter(dashboard -> !dashboard.getIsTopMenu()).toList();
+    return DashboardUtils.getDashboardsWithoutMenuItem();
   }
 
   private MenuElement buildDashboardGroupMenu(List<Dashboard> subItemDashboards, String defaultTitle,
@@ -256,50 +251,6 @@ private MenuElement buildSingleDashboardMenu(String dashboardTitle, String dashb
     return dashboardMenu;
   }
 
-
-  public PortalDashboardItemWrapper getDashboardCache() {
-    String sessionUserId = getSessionUserId();
-    IvyCacheService cacheService = IvyCacheService.getInstance();
-    PortalDashboardItemWrapper portalDashboardItemWrapper = null;
-    try {
-      portalDashboardItemWrapper = getPortalDashboardItemWrapper(sessionUserId, cacheService);
-    } catch (ClassCastException e) {
-      cacheService.invalidateSessionEntry(IvyCacheIdentifier.PORTAL_MENU, sessionUserId);
-    }
-
-    if (portalDashboardItemWrapper == null) {
-      synchronized(PortalDashboardItemWrapper.class) {
-        portalDashboardItemWrapper = new PortalDashboardItemWrapper(DashboardUtils.collectDashboards());
-        cacheService.setSessionCache(IvyCacheIdentifier.PORTAL_DASHBOARDS, sessionUserId, portalDashboardItemWrapper);
-      }
-    }
-    return portalDashboardItemWrapper;
-  }
-
-  public void updateDashboardCache(List<Dashboard> dashboards) {
-    String sessionUserId = getSessionUserId();
-    IvyCacheService cacheService = IvyCacheService.getInstance();
-
-    synchronized (PortalDashboardItemWrapper.class) {
-      cacheService.setSessionCache(IvyCacheIdentifier.PORTAL_DASHBOARDS, sessionUserId,
-          new PortalDashboardItemWrapper(dashboards));
-    }
-
-    cacheService.invalidateSessionEntry(IvyCacheIdentifier.PORTAL_MENU, sessionUserId);
-  }
-
-  private String getSessionUserId() {
-    String sessionIdAttribute = SessionAttribute.SESSION_IDENTIFIER.name();
-    if (session().getAttribute(sessionIdAttribute) == null) {
-      session().setAttribute(sessionIdAttribute, UUID.randomUUID().toString());
-    }
-    return (String) session().getAttribute(sessionIdAttribute);
-  }
-
-  private PortalDashboardItemWrapper getPortalDashboardItemWrapper(String sessionUserId, IvyCacheService cacheService) {
-    return (PortalDashboardItemWrapper) cacheService.getSessionCacheValue(IvyCacheIdentifier.PORTAL_DASHBOARDS, sessionUserId).orElse(null);
-  }
-
   public String getDashboardLink() {
     return PortalNavigator.getDashboardLink();
   }
@@ -522,9 +473,6 @@ private IWorkflowSession session() {
     return Ivy.session();
   }
 
-  public record PortalDashboardItemWrapper(List<Dashboard> dashboards) {
-  }
-
   private void buildBreadCrumbForNotification() {
     setPortalHomeMenuToBreadcrumbModel();
     breadcrumbModel.getElements().add(buildGenericMenuItem("/ch.ivy.addon.portalkit.ui.jsf/notifications/notificationTitle"));
diff --git a/AxonIvyPortal/portal/src/ch/addon/portal/generic/menu/PortalMenuNavigator.java b/AxonIvyPortal/portal/src/ch/addon/portal/generic/menu/PortalMenuNavigator.java
index f627e684967..6776e03766a 100644
--- a/AxonIvyPortal/portal/src/ch/addon/portal/generic/menu/PortalMenuNavigator.java
+++ b/AxonIvyPortal/portal/src/ch/addon/portal/generic/menu/PortalMenuNavigator.java
@@ -9,9 +9,7 @@
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.Locale;
 import java.util.Map;
-import java.util.UUID;
 
 import javax.faces.context.FacesContext;
 import javax.faces.event.ActionEvent;
@@ -28,13 +26,10 @@
 import ch.ivy.addon.portal.generic.navigation.PortalNavigator;
 import ch.ivy.addon.portalkit.comparator.ApplicationIndexAscendingComparator;
 import ch.ivy.addon.portalkit.configuration.Application;
-import ch.ivy.addon.portalkit.constant.IvyCacheIdentifier;
 import ch.ivy.addon.portalkit.dto.DisplayName;
 import ch.ivy.addon.portalkit.dto.dashboard.Dashboard;
 import ch.ivy.addon.portalkit.enums.BreadCrumbKind;
 import ch.ivy.addon.portalkit.enums.MenuKind;
-import ch.ivy.addon.portalkit.enums.SessionAttribute;
-import ch.ivy.addon.portalkit.service.IvyCacheService;
 import ch.ivy.addon.portalkit.service.RegisteredApplicationService;
 import ch.ivy.addon.portalkit.util.DashboardUtils;
 import ch.ivy.addon.portalkit.util.PermissionUtils;
@@ -111,35 +106,7 @@ public static List<Application> getThirdPartyApps() {
   }
 
   public static List<SubMenuItem> callSubMenuItemsProcess() {
-    Locale requestLocale = Ivy.session().getContentLocale();
-    String sessionIdAttribute = SessionAttribute.SESSION_IDENTIFIER.toString();
-    if (Ivy.session().getAttribute(sessionIdAttribute) == null) {
-      Ivy.session().setAttribute(sessionIdAttribute, UUID.randomUUID().toString());
-    }
-    String sessionUserId = (String) Ivy.session().getAttribute(sessionIdAttribute);
-    IvyCacheService cacheService = IvyCacheService.getInstance();
-    PortalSubMenuItemWrapper portalSubMenuItemWrapper = null;
-    try {
-      portalSubMenuItemWrapper = (PortalSubMenuItemWrapper) cacheService
-          .getSessionCacheValue(IvyCacheIdentifier.PORTAL_MENU, sessionUserId).orElse(null);
-    } catch (ClassCastException e) {
-      cacheService.invalidateSessionEntry(IvyCacheIdentifier.PORTAL_MENU, sessionUserId);
-    }
-
-    if (portalSubMenuItemWrapper == null || !requestLocale.equals(portalSubMenuItemWrapper.loadedLocale)) {
-      synchronized (PortalSubMenuItemWrapper.class) {
-        List<SubMenuItem> subMenuItems = new ArrayList<>();
-        try {
-          subMenuItems = getSubmenuList();
-        } catch (Exception e) {
-          Ivy.log().error("Cannot load SubMenuItems {0}", e.getMessage());
-        }
-
-        portalSubMenuItemWrapper = new PortalSubMenuItemWrapper(requestLocale, subMenuItems);
-        cacheService.setSessionCache(IvyCacheIdentifier.PORTAL_MENU, sessionUserId, portalSubMenuItemWrapper);
-      }
-    }
-    return portalSubMenuItemWrapper.portalSubMenuItems;
+    return getSubmenuList();
   }
 
   public static void navigateToTargetPage(boolean isClickOnBreadcrumb, String destinationPage,
@@ -156,9 +123,6 @@ public static void navigateToTargetPage(boolean isClickOnBreadcrumb, String dest
     navigateToTargetPage(params);
   }
 
-  private record PortalSubMenuItemWrapper(Locale loadedLocale, List<SubMenuItem> portalSubMenuItems) {
-  }
-
   private static List<SubMenuItem> getSubmenuList() {
     String currentLanguage = UserUtils.getUserLanguage();
     List<SubMenuItem> subMenuItems = new ArrayList<>();
diff --git a/AxonIvyPortal/portal/src/ch/ivy/addon/portal/generic/bean/DashboardBean.java b/AxonIvyPortal/portal/src/ch/ivy/addon/portal/generic/bean/DashboardBean.java
index 1a1ea137112..e5946f3fbb2 100644
--- a/AxonIvyPortal/portal/src/ch/ivy/addon/portal/generic/bean/DashboardBean.java
+++ b/AxonIvyPortal/portal/src/ch/ivy/addon/portal/generic/bean/DashboardBean.java
@@ -22,7 +22,6 @@
 import com.axonivy.portal.dto.dashboard.filter.DashboardFilter;
 import com.axonivy.portal.service.DeepLTranslationService;
 
-import ch.addon.portal.generic.menu.MenuView;
 import ch.ivy.addon.portal.generic.navigation.PortalNavigator;
 import ch.ivy.addon.portalkit.constant.PortalConstants;
 import ch.ivy.addon.portalkit.dto.DisplayName;
@@ -44,8 +43,6 @@
 import ch.ivy.addon.portalkit.enums.TaskEmptyMessage;
 import ch.ivy.addon.portalkit.exporter.Exporter;
 import ch.ivy.addon.portalkit.ivydata.service.impl.LanguageService;
-import ch.ivy.addon.portalkit.jsf.ManagedBeans;
-import ch.ivy.addon.portalkit.persistence.converter.BusinessEntityConverter;
 import ch.ivy.addon.portalkit.service.GlobalSettingService;
 import ch.ivy.addon.portalkit.service.WidgetFilterService;
 import ch.ivy.addon.portalkit.support.HtmlParser;
@@ -56,7 +53,6 @@
 import ch.ivy.addon.portalkit.util.UrlUtils;
 import ch.ivy.addon.portalkit.util.UserUtils;
 import ch.ivyteam.ivy.environment.Ivy;
-import ch.ivyteam.ivy.security.ISecurityConstants;
 import ch.ivyteam.ivy.security.IUser;
 import ch.ivyteam.ivy.workflow.ICase;
 import ch.ivyteam.ivy.workflow.ITask;
@@ -91,11 +87,6 @@ public void init() {
     currentDashboardIndex = 0;
     dashboards = collectDashboards();
 
-    if (isReadOnlyMode) {
-      MenuView menuView = (MenuView) ManagedBeans.get("menuView");
-      menuView.updateDashboardCache(dashboards);
-    }
-
     if (CollectionUtils.isNotEmpty(DashboardUtils.getDashboardsWithoutMenuItem())
         || isRequestPathForMainOrDetailModification()) {
       updateSelectedDashboardIdFromSessionAttribute();
@@ -156,18 +147,6 @@ public void loadDashboardTemplate() {
     this.dashboardTemplates = DashboardUtils.getDashboardTemplates();
   }
 
-  protected List<Dashboard> jsonToDashboards(String dashboardJSON) {
-    List<Dashboard> mappingDashboards = BusinessEntityConverter.jsonValueToEntities(dashboardJSON, Dashboard.class);
-    for (Dashboard dashboard : mappingDashboards) {
-      if (CollectionUtils.isEmpty(dashboard.getPermissions())) {
-        ArrayList<String> defaultPermissions = new ArrayList<>();
-        defaultPermissions.add(ISecurityConstants.TOP_LEVEL_ROLE_NAME);
-        dashboard.setPermissions(defaultPermissions);
-      }
-    }
-    return mappingDashboards;
-  }
-
   protected String readDashboardBySessionUser() {
     return currentUser().getProperty(PortalVariable.DASHBOARD.key);
   }
@@ -185,17 +164,6 @@ protected void buildWidgetModels(Dashboard dashboard) {
     }
   }
 
-  protected List<Dashboard> getVisiblePublicDashboards() {
-    String dashboardJson = Ivy.var().get(PortalVariable.DASHBOARD.key);
-    List<Dashboard> visibleDashboards = DashboardUtils.getVisibleDashboards(dashboardJson);
-    setDashboardAsPublic(visibleDashboards);
-    return visibleDashboards;
-  }
-
-  private void setDashboardAsPublic(List<Dashboard> visibleDashboards) {
-    visibleDashboards.stream().forEach(dashboard -> dashboard.setIsPublic(true));
-  }
-
   public List<Dashboard> getDashboards() {
     return dashboards;
   }
diff --git a/AxonIvyPortal/portal/src/ch/ivy/addon/portal/generic/bean/DashboardDetailModificationBean.java b/AxonIvyPortal/portal/src/ch/ivy/addon/portal/generic/bean/DashboardDetailModificationBean.java
index 5727ffb6499..d8d6ea2f485 100644
--- a/AxonIvyPortal/portal/src/ch/ivy/addon/portal/generic/bean/DashboardDetailModificationBean.java
+++ b/AxonIvyPortal/portal/src/ch/ivy/addon/portal/generic/bean/DashboardDetailModificationBean.java
@@ -176,8 +176,7 @@ protected List<Dashboard> collectDashboards() {
       if (isPublicDashboard) {
         collectedDashboards = DashboardUtils.getPublicDashboards();
       } else {
-        String dashboardInUserProperty = readDashboardBySessionUser();
-        collectedDashboards = getVisibleDashboards(dashboardInUserProperty);
+        collectedDashboards = DashboardUtils.getPrivateDashboards();
       }
     } catch (PortalException e) {
       Ivy.log().error(e);
@@ -830,14 +829,6 @@ public void reloadParamtersFromProcessForCustomWidget(DashboardWidget widget) {
     customWidget.loadParametersFromProcess();
   }
 
-  private List<Dashboard> getVisibleDashboards(String dashboardJson) {
-    if (isPublicDashboard) {
-      return DashboardUtils.jsonToDashboards(dashboardJson);
-    } else {
-      return DashboardUtils.getVisibleDashboards(dashboardJson);
-    }
-  }
-
   public void navigatetoDashboardConfigurationPage() throws IOException {
     String dashboardConfigurationUrl = PortalNavigator.buildDashboardConfigurationUrl();
     FacesContext.getCurrentInstance().getExternalContext().redirect(dashboardConfigurationUrl);
diff --git a/AxonIvyPortal/portal/src/ch/ivy/addon/portal/generic/bean/DashboardModificationBean.java b/AxonIvyPortal/portal/src/ch/ivy/addon/portal/generic/bean/DashboardModificationBean.java
index c6c86eafd56..abf373c8866 100644
--- a/AxonIvyPortal/portal/src/ch/ivy/addon/portal/generic/bean/DashboardModificationBean.java
+++ b/AxonIvyPortal/portal/src/ch/ivy/addon/portal/generic/bean/DashboardModificationBean.java
@@ -33,7 +33,6 @@
 import com.axonivy.portal.service.DeepLTranslationService;
 import com.axonivy.portal.util.WelcomeWidgetUtils;
 
-import ch.addon.portal.generic.menu.MenuView;
 import ch.ivy.addon.portal.generic.navigation.PortalNavigator;
 import ch.ivy.addon.portalkit.dto.DisplayName;
 import ch.ivy.addon.portalkit.dto.dashboard.Dashboard;
@@ -41,7 +40,6 @@
 import ch.ivy.addon.portalkit.dto.dashboard.WelcomeDashboardWidget;
 import ch.ivy.addon.portalkit.enums.PortalVariable;
 import ch.ivy.addon.portalkit.ivydata.mapper.SecurityMemberDTOMapper;
-import ch.ivy.addon.portalkit.jsf.ManagedBeans;
 import ch.ivy.addon.portalkit.persistence.converter.BusinessEntityConverter;
 import ch.ivy.addon.portalkit.util.DashboardUtils;
 import ch.ivy.addon.portalkit.util.PermissionUtils;
@@ -74,7 +72,7 @@ protected void collectDashboardsForManagement() {
       this.dashboards = DashboardUtils.getPublicDashboards();
       DashboardUtils.addDefaultTaskCaseListDashboardsIfMissing(this.dashboards);
     } else if (StringUtils.isNoneEmpty(dashboardInUserProperty)) {
-      List<Dashboard> myDashboards = getVisibleDashboards(dashboardInUserProperty);
+      List<Dashboard> myDashboards = DashboardUtils.getPrivateDashboards();
       this.dashboards.addAll(myDashboards);
     }
   }
@@ -176,17 +174,7 @@ private void saveDashboards(List<Dashboard> dashboards) {
     } else {
       currentUser().setProperty(PortalVariable.DASHBOARD.key, dashboardJson);
     }
-
-    MenuView menuView = (MenuView) ManagedBeans.get("menuView");
-    menuView.updateDashboardCache(DashboardUtils.collectDashboards());
-  }
-
-  private List<Dashboard> getVisibleDashboards(String dashboardJson) {
-    if (isPublicDashboard) {
-      return DashboardUtils.jsonToDashboards(dashboardJson);
-    } else {
-      return DashboardUtils.getVisibleDashboards(dashboardJson);
-    }
+    updateDashboardCache();
   }
 
   public void navigateToDashboardDetailsPage(String dashboardId) {
@@ -388,6 +376,7 @@ public void saveArrangment() {
     } else {
       savePrivateArrangement();
     }
+    updateDashboardCache();
   }
 
   public void savePublicArrangement() {
@@ -414,4 +403,8 @@ public void savePrivateArrangement() {
     String dashboardJson = BusinessEntityConverter.entityToJsonValue(this.dashboards);
     Ivy.session().getSessionUser().setProperty(PortalVariable.DASHBOARD.key, dashboardJson);
   }
+
+  private void updateDashboardCache() {
+    DashboardUtils.updateDashboardCache();
+  }
 }
diff --git a/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/bean/DashboardWelcomeWidgetBean.java b/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/bean/DashboardWelcomeWidgetBean.java
index 882a7dd780d..e1b78ec2ced 100644
--- a/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/bean/DashboardWelcomeWidgetBean.java
+++ b/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/bean/DashboardWelcomeWidgetBean.java
@@ -15,7 +15,6 @@
 
 import com.axonivy.portal.util.WelcomeWidgetUtils;
 
-import ch.addon.portal.generic.menu.MenuView;
 import ch.ivy.addon.portalkit.dto.DisplayName;
 import ch.ivy.addon.portalkit.dto.dashboard.Dashboard;
 import ch.ivy.addon.portalkit.dto.dashboard.WelcomeDashboardWidget;
@@ -23,7 +22,6 @@
 import ch.ivy.addon.portalkit.enums.PortalVariable;
 import ch.ivy.addon.portalkit.enums.WelcomeTextPosition;
 import ch.ivy.addon.portalkit.jsf.Attrs;
-import ch.ivy.addon.portalkit.jsf.ManagedBeans;
 import ch.ivy.addon.portalkit.persistence.converter.BusinessEntityConverter;
 import ch.ivy.addon.portalkit.support.HtmlParser;
 import ch.ivy.addon.portalkit.util.DashboardUtils;
@@ -97,8 +95,7 @@ private void removeImageContentOfWidget(ContentObject imageContent) {
       String dashboardJson = BusinessEntityConverter.entityToJsonValue(dashboards);
       Ivy.var().set(PortalVariable.DASHBOARD.key, dashboardJson);
       
-      MenuView menuView = (MenuView) ManagedBeans.get("menuView");
-      menuView.updateDashboardCache(DashboardUtils.collectDashboards());
+      DashboardUtils.updateDashboardCache();
     }
   }
 
diff --git a/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/constant/IvyCacheIdentifier.java b/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/constant/IvyCacheIdentifier.java
index cdd17232a67..ca296d5734e 100644
--- a/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/constant/IvyCacheIdentifier.java
+++ b/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/constant/IvyCacheIdentifier.java
@@ -11,6 +11,8 @@ public final class IvyCacheIdentifier {
   public static final String PORTAL_CUSTOM_MENU = "PORTAL_CUSTOM_MENU";
   public static final String PORTAL_DASHBOARDS = "PORTAL_DASHBOARDS";
   public static final String PORTAL_DASHBOARDS_MENU_ITEM = "PORTAL_DASHBOARDS_MENU_ITEM";
+  public static final String PORTAL_PRIVATE_DASHBOARDS = "PORTAL_PRIVATE_DASHBOARDS";
+  public static final String PORTAL_PUBLIC_DASHBOARDS = "PORTAL_PUBLIC_DASHBOARDS";
   
   // for caching locales
   public static final String PORTAL_CONTENT_LOCALES = "PORTAL_CONTENT_LOCALES";
diff --git a/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/dto/dashboard/Dashboard.java b/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/dto/dashboard/Dashboard.java
index 234df2d8057..e5a5ac12c77 100644
--- a/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/dto/dashboard/Dashboard.java
+++ b/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/dto/dashboard/Dashboard.java
@@ -144,7 +144,7 @@ public void setTemplateId(String templateId) {
   }
 
   public Boolean getIsTopMenu() {
-    return isTopMenu;
+    return isTopMenu == null ? false : isTopMenu;
   }
 
   public void setIsTopMenu(Boolean isTopMenu) {
diff --git a/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/util/DashboardUtils.java b/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/util/DashboardUtils.java
index 5a66ea4269e..445408587a6 100644
--- a/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/util/DashboardUtils.java
+++ b/AxonIvyPortal/portal/src/ch/ivy/addon/portalkit/util/DashboardUtils.java
@@ -22,7 +22,6 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
-import ch.addon.portal.generic.menu.MenuView.PortalDashboardItemWrapper;
 import ch.ivy.addon.portalkit.constant.IvyCacheIdentifier;
 import ch.ivy.addon.portalkit.dto.dashboard.Dashboard;
 import ch.ivy.addon.portalkit.dto.dashboard.DashboardOrder;
@@ -35,6 +34,7 @@
 import ch.ivyteam.ivy.environment.Ivy;
 import ch.ivyteam.ivy.security.ISecurityConstants;
 import ch.ivyteam.ivy.security.IUser;
+import ch.ivyteam.ivy.workflow.IWorkflowSession;
 
 public class DashboardUtils {
 
@@ -42,7 +42,8 @@ public class DashboardUtils {
   public final static String PARENT_DASHBOARD_MENU_POSTFIX = "-parent-dashboard";
   public final static String MAIN_DASHBOARD_MENU_POSTFIX = "-main-dashboard";
   public final static String SUB_DASHBOARD_MENU_POSTFIX = "-sub-dashboard";
-  public final static String PARENT_DASHBOARD_MENU_PATTERN = DASHBOARD_MENU_PREFIX + "%s" + PARENT_DASHBOARD_MENU_POSTFIX;
+  public final static String PARENT_DASHBOARD_MENU_PATTERN =
+      DASHBOARD_MENU_PREFIX + "%s" + PARENT_DASHBOARD_MENU_POSTFIX;
   public final static String MAIN_DASHBOARD_MENU_PATTERN = DASHBOARD_MENU_PREFIX + "%s" + MAIN_DASHBOARD_MENU_POSTFIX;
   public final static String SUB_DASHBOARD_MENU_PATTERN = DASHBOARD_MENU_PREFIX + "%s" + SUB_DASHBOARD_MENU_POSTFIX;
   public final static String DASHBOARD_PAGE_URL =
@@ -113,10 +114,9 @@ private static IUser currentUser() {
 
   public static List<Dashboard> getAllVisibleDashboardsOfSessionUser() {
     List<Dashboard> collectedDashboards = new ArrayList<>();
-    String dashboardInUserProperty = readDashboardBySessionUser();
     try {
-      collectedDashboards.addAll(getVisiblePublicDashboards());
-      collectedDashboards.addAll(jsonToDashboards(dashboardInUserProperty));
+      collectedDashboards.addAll(getPublicDashboards());
+      collectedDashboards.addAll(getPrivateDashboards());
     } catch (PortalException e) {
       // If errors like parsing JSON errors, ignore them
       Ivy.log().error(e);
@@ -124,21 +124,6 @@ public static List<Dashboard> getAllVisibleDashboardsOfSessionUser() {
     return collectedDashboards;
   }
 
-  public static List<Dashboard> getVisiblePublicDashboards() {
-    String dashboardJson = Ivy.var().get(PortalVariable.DASHBOARD.key);
-    List<Dashboard> visibleDashboards = getVisibleDashboards(dashboardJson);
-    setDashboardAsPublic(visibleDashboards);
-    return visibleDashboards;
-  }
-
-  public static List<Dashboard> getPublicDashboards() {
-    String dashboardJson = Ivy.var().get(PortalVariable.DASHBOARD.key);
-    List<Dashboard> visibleDashboards = jsonToDashboards(dashboardJson);
-    addDefaultTaskCaseListDashboardsIfMissing(visibleDashboards);
-    setDashboardAsPublic(visibleDashboards);
-    return visibleDashboards;
-  }
-
   public static void addDefaultTaskCaseListDashboardsIfMissing(List<Dashboard> dashboards) {
     if (!hasDashboardWithId(dashboards, DEFAULT_CASE_LIST_DASHBOARD)) {
       dashboards.add(0, DefaultDashboardUtils.getDefaultCaseListDashboard());
@@ -183,25 +168,6 @@ private static String readDashboardBySessionUser() {
     return currentUser().getProperty(PortalVariable.DASHBOARD.key);
   }
 
-  public static List<Dashboard> collectDashboards() {
-    List<Dashboard> visibleDashboards = getAllVisibleDashboardsOfSessionUser();
-    List<DashboardOrder> dashboardOrders = getDashboardOrdersOfSessionUser();
-    Map<String, Dashboard> idToDashboard = createMapIdToDashboard(visibleDashboards);
-    List<Dashboard> collectedDashboards = new ArrayList<>();
-    for (DashboardOrder dashboardOrder : dashboardOrders) {
-      if (dashboardOrder.getDashboardId() == null) {
-        continue;
-      }
-      Dashboard currentDashboard = idToDashboard.remove(dashboardOrder.getDashboardId());
-      if (dashboardOrder.isVisible() && currentDashboard != null) {
-        collectedDashboards.add(currentDashboard);
-      }
-    }
-    collectedDashboards.addAll(idToDashboard.values());
-    addDefaultTaskCaseListDashboardsIfMissing(collectedDashboards);
-    return collectedDashboards;
-  }
-
   public static List<Dashboard> collectMainDashboards() {
     List<Dashboard> collectedDashboards =
         new ArrayList<>(getPublicDashboards().stream().filter(dashboard -> dashboard.getIsTopMenu()).toList());
@@ -287,8 +253,7 @@ public static void storeDashboardInSession(String id, boolean isMainDashboard) {
   }
 
   public static List<Dashboard> getDashboardsWithoutMenuItem() {
-    var dashboards = collectDashboards();
-    return dashboards.stream().filter(dashboard -> !dashboard.getIsTopMenu()).toList();
+    return collectDashboards().stream().filter(dashboard -> !dashboard.getIsTopMenu()).toList();
   }
 
   public static String getSelectedMainDashboardIdFromSession() {
@@ -305,10 +270,9 @@ public static boolean isMainDashboard(String dashboardId, boolean defaultValue)
     if (StringUtils.isEmpty(dashboardId)) {
       return false;
     }
-    boolean isMainDashboard = Optional.ofNullable(getPortalDashboardItemWrapper())
-        .map(wrapper -> wrapper.dashboards()).orElse(new ArrayList<>()).stream()
-        .filter(dashboard -> dashboardId.equals(dashboard.getId())).map(dashboard -> dashboard.getIsTopMenu())
-        .findFirst().orElse(defaultValue);
+    boolean isMainDashboard = Optional.ofNullable(getPortalDashboardItemWrapper()).map(wrapper -> wrapper.dashboards())
+        .orElse(new ArrayList<>()).stream().filter(dashboard -> dashboardId.equals(dashboard.getId()))
+        .map(dashboard -> dashboard.getIsTopMenu()).findFirst().orElse(defaultValue);
     return isMainDashboard;
   }
 
@@ -328,12 +292,146 @@ public static void updatePropertiesToNullIfCurrentValueIsDefaultValue(List<Dashb
   }
 
   public static boolean isDefaultTaskListDashboard(Dashboard dashboard) {
-    return Optional.ofNullable(dashboard).map(Dashboard::getId)
-        .orElseGet(() -> "").contentEquals(DEFAULT_TASK_LIST_DASHBOARD);
+    return Optional.ofNullable(dashboard).map(Dashboard::getId).orElseGet(() -> "")
+        .contentEquals(DEFAULT_TASK_LIST_DASHBOARD);
   }
 
   public static boolean isDefaultCaseListDashboard(Dashboard dashboard) {
-    return Optional.ofNullable(dashboard).map(Dashboard::getId)
-        .orElseGet(() -> "").contentEquals(DEFAULT_CASE_LIST_DASHBOARD);
+    return Optional.ofNullable(dashboard).map(Dashboard::getId).orElseGet(() -> "")
+        .contentEquals(DEFAULT_CASE_LIST_DASHBOARD);
+  }
+
+  public static List<Dashboard> getPublicDashboards() {
+    String sessionIdAttribute = SessionAttribute.SESSION_IDENTIFIER.toString();
+    if (Ivy.session().getAttribute(sessionIdAttribute) == null) {
+      Ivy.session().setAttribute(sessionIdAttribute, UUID.randomUUID().toString());
+    }
+    String sessionUserId = (String) Ivy.session().getAttribute(sessionIdAttribute);
+    IvyCacheService cacheService = IvyCacheService.getInstance();
+    PortalPublicDashboardWrapper portalPublicDashboardWrapper = null;
+    try {
+      portalPublicDashboardWrapper = (PortalPublicDashboardWrapper) cacheService
+          .getSessionCacheValue(IvyCacheIdentifier.PORTAL_PUBLIC_DASHBOARDS, sessionUserId).orElse(null);
+    } catch (ClassCastException e) {
+      cacheService.invalidateSessionEntry(IvyCacheIdentifier.PORTAL_PUBLIC_DASHBOARDS, sessionUserId);
+    }
+
+    if (portalPublicDashboardWrapper == null) {
+      synchronized (sessionUserId.intern()) {
+        List<Dashboard> dashboards = new ArrayList<>();
+        try {
+          String dashboardJson = Ivy.var().get(PortalVariable.DASHBOARD.key);
+          dashboards = jsonToDashboards(dashboardJson);
+          addDefaultTaskCaseListDashboardsIfMissing(dashboards);
+          setDashboardAsPublic(dashboards);
+        } catch (Exception e) {
+          Ivy.log().error("Cannot load Public Dashboards {0}", e.getMessage());
+        }
+        portalPublicDashboardWrapper = new PortalPublicDashboardWrapper(dashboards);
+        cacheService.setSessionCache(IvyCacheIdentifier.PORTAL_PUBLIC_DASHBOARDS, sessionUserId,
+            portalPublicDashboardWrapper);
+      }
+    }
+    return portalPublicDashboardWrapper.dashboards();
+  }
+
+  public static List<Dashboard> getPrivateDashboards() {
+    String sessionIdAttribute = SessionAttribute.SESSION_IDENTIFIER.toString();
+    if (Ivy.session().getAttribute(sessionIdAttribute) == null) {
+      Ivy.session().setAttribute(sessionIdAttribute, UUID.randomUUID().toString());
+    }
+    String sessionUserId = (String) Ivy.session().getAttribute(sessionIdAttribute);
+    IvyCacheService cacheService = IvyCacheService.getInstance();
+    PortalPrivateDashboardWrapper portalPrivateDashboardWrapper = null;
+    try {
+      portalPrivateDashboardWrapper = (PortalPrivateDashboardWrapper) cacheService
+          .getSessionCacheValue(IvyCacheIdentifier.PORTAL_PRIVATE_DASHBOARDS, sessionUserId).orElse(null);
+    } catch (ClassCastException e) {
+      cacheService.invalidateSessionEntry(IvyCacheIdentifier.PORTAL_PRIVATE_DASHBOARDS, sessionUserId);
+    }
+
+    if (portalPrivateDashboardWrapper == null) {
+      synchronized (sessionUserId.intern()) {
+        List<Dashboard> dashboards = new ArrayList<>();
+        try {
+          String dashboardInUserProperty = readDashboardBySessionUser();
+          dashboards = jsonToDashboards(dashboardInUserProperty);
+        } catch (Exception e) {
+          Ivy.log().error("Cannot load Public Dashboards {0}", e.getMessage());
+        }
+        portalPrivateDashboardWrapper = new PortalPrivateDashboardWrapper(dashboards);
+        cacheService.setSessionCache(IvyCacheIdentifier.PORTAL_PRIVATE_DASHBOARDS, sessionUserId,
+            portalPrivateDashboardWrapper);
+      }
+    }
+    return portalPrivateDashboardWrapper.dashboards();
+  }
+
+  public static List<Dashboard> collectDashboards() {
+    String sessionUserId = getSessionUserId();
+    IvyCacheService cacheService = IvyCacheService.getInstance();
+    PortalDashboardItemWrapper portalDashboardItemWrapper = null;
+    try {
+      portalDashboardItemWrapper = (PortalDashboardItemWrapper) cacheService
+          .getSessionCacheValue(IvyCacheIdentifier.PORTAL_DASHBOARDS, sessionUserId).orElse(null);
+    } catch (ClassCastException e) {
+      cacheService.invalidateSessionEntry(IvyCacheIdentifier.PORTAL_DASHBOARDS, sessionUserId);
+    }
+
+    if (portalDashboardItemWrapper == null) {
+      synchronized (sessionUserId.intern()) {
+        List<Dashboard> collectedDashboards = new ArrayList<>();
+        try {
+          List<Dashboard> visibleDashboards = getAllVisibleDashboardsOfSessionUser();
+          List<DashboardOrder> dashboardOrders = getDashboardOrdersOfSessionUser();
+          Map<String, Dashboard> idToDashboard = createMapIdToDashboard(visibleDashboards);
+          for (DashboardOrder dashboardOrder : dashboardOrders) {
+            if (dashboardOrder.getDashboardId() == null) {
+              continue;
+            }
+            Dashboard currentDashboard = idToDashboard.remove(dashboardOrder.getDashboardId());
+            if (dashboardOrder.isVisible() && currentDashboard != null) {
+              collectedDashboards.add(currentDashboard);
+            }
+          }
+          collectedDashboards.addAll(idToDashboard.values());
+          addDefaultTaskCaseListDashboardsIfMissing(collectedDashboards);
+        } catch (Exception e) {
+          Ivy.log().error("Cannot collect Dashboards {0}", e.getMessage());
+        }
+        portalDashboardItemWrapper = new PortalDashboardItemWrapper(collectedDashboards);
+        cacheService.setSessionCache(IvyCacheIdentifier.PORTAL_DASHBOARDS, sessionUserId,
+            portalDashboardItemWrapper);
+      }
+    }
+    return portalDashboardItemWrapper.dashboards;
   }
+
+  public static void updateDashboardCache() {
+    String sessionUserId = getSessionUserId();
+    IvyCacheService cacheService = IvyCacheService.getInstance();
+    cacheService.invalidateSessionEntry(IvyCacheIdentifier.PORTAL_DASHBOARDS, sessionUserId);
+    cacheService.invalidateSessionEntry(IvyCacheIdentifier.PORTAL_PRIVATE_DASHBOARDS, sessionUserId);
+    cacheService.invalidateSessionEntry(IvyCacheIdentifier.PORTAL_PRIVATE_DASHBOARDS, sessionUserId);
+  }
+
+  private static String getSessionUserId() {
+    String sessionIdAttribute = SessionAttribute.SESSION_IDENTIFIER.name();
+    if (session().getAttribute(sessionIdAttribute) == null) {
+      session().setAttribute(sessionIdAttribute, UUID.randomUUID().toString());
+    }
+    return (String) session().getAttribute(sessionIdAttribute);
+  }
+
+  private static IWorkflowSession session() {
+    return Ivy.session();
+  }
+
+  private record PortalPrivateDashboardWrapper(List<Dashboard> dashboards) {
+  }
+  private record PortalPublicDashboardWrapper(List<Dashboard> dashboards) {
+  }
+  public record PortalDashboardItemWrapper(List<Dashboard> dashboards) {
+  }
+
 }