diff --git a/adminforth/modules/restApi.ts b/adminforth/modules/restApi.ts
index 499ee606..e9a73708 100644
--- a/adminforth/modules/restApi.ts
+++ b/adminforth/modules/restApi.ts
@@ -250,7 +250,6 @@ export default class AdminForthRestAPI implements IAdminForthRestAPI {
         const usernameColumn = userResource.columns.find((col) => col.name === usernameField);
 
         const userPk = dbUser[userResource.columns.find((col) => col.primaryKey).name];
-
         const userData = {
             [this.adminforth.config.auth.usernameField]: username,
             [this.adminforth.config.auth.userFullNameField]: userFullName,
@@ -291,7 +290,8 @@ export default class AdminForthRestAPI implements IAdminForthRestAPI {
         }
 
         const announcementBadge: AnnouncementBadgeResponse = this.adminforth.config.customization.announcementBadge?.(adminUser);
-
+        const adminforthUserCleanupWarning: AnnouncementBadgeResponse = this.adminforth.config.customization.adminforthUserCleanupWarning?.(adminUser);
+        
         const publicPart = {
           brandName: this.adminforth.config.customization.brandName,
           usernameFieldName: usernameColumn.label,
@@ -314,6 +314,7 @@ export default class AdminForthRestAPI implements IAdminForthRestAPI {
           title: this.adminforth.config.customization.title,
           emptyFieldPlaceholder: this.adminforth.config.customization.emptyFieldPlaceholder,
           announcementBadge,
+          adminforthUserCleanupWarning,
           globalInjections: this.adminforth.config.customization.globalInjections,
           userFullnameField: this.adminforth.config.auth.userFullNameField,
         }
diff --git a/adminforth/spa/src/App.vue b/adminforth/spa/src/App.vue
index 2a42eec6..c5fe4b8d 100644
--- a/adminforth/spa/src/App.vue
+++ b/adminforth/spa/src/App.vue
@@ -165,7 +165,21 @@
           </p>
           <!-- <a class="text-sm text-lightPrimary underline font-medium hover:text-blue-900 dark:text-blue-400 dark:hover:text-blue-300" href="#">Turn new navigation off</a> -->
         </div>
-
+        <div id="user-warning" class="p-4 mt-6 rounded-lg bg-red-900 dark:bg-red-900
+          fill-lightAnnouncementText dark:fill-darkAccent text-lightAnnouncementText dark:text-darkAccent text-sm" role="warning"
+          v-if="adminforthUserCleanupWarning">
+          <div class="flex items-center mb-3" :class="!adminforthUserCleanupWarning.title ? 'float-right' : ''">
+            <span>
+              <strong>
+              {{adminforthUserCleanupWarning.title}}
+              </strong>
+            </span>
+          </div>
+          <p class="mb-3 text-sm " v-if="adminforthUserCleanupWarning.html" v-html="adminforthUserCleanupWarning.html"></p>
+          <p class="mb-3 text-sm fill-lightNavbarText dark:fill-darkPrimary text-lightNavbarText dark:text-darkNavbarPrimary" v-else>
+            {{ adminforthUserCleanupWarning.text }}  
+          </p>
+        </div>
         <component 
           v-for="c in coreStore?.config?.globalInjections?.sidebar || []"
           :is="getCustomComponent(c)"
@@ -434,8 +448,14 @@ function closeCTA() {
     await coreStore.fetchMenuBadges();
     adminforth.menu.refreshMenuBadges();
   })
-
 }
 
+const adminforthUserCleanupWarning = computed(() => {
+  const badge = coreStore.config?.adminforthUserCleanupWarning;
+  if (!badge) return null;
+  if (process.env.NODE_ENV !== 'production' || coreStore.adminUser?.dbUser.email !== 'adminforth') return null;
+  return { ...badge };
+});
+
 
 </script>
diff --git a/adminforth/types/Back.ts b/adminforth/types/Back.ts
index f3427ff8..4c1e1165 100644
--- a/adminforth/types/Back.ts
+++ b/adminforth/types/Back.ts
@@ -739,6 +739,13 @@ interface AdminForthInputConfigCustomization {
    * Execution is done on admin app load. 
    */
   announcementBadge?: (user: AdminUser) => AnnouncementBadgeResponse,
+
+  /**
+   * Function to return custom badge in side bar for users. Can return text or html
+   * If function is not passed or returns null, badge will not be shown.
+   * Execution is done on admin app load. 
+   */
+  adminforthUserCleanupWarning?: (user: AdminUser) => AnnouncementBadgeResponse,
   
   /**
    * Custom panel components or array of components which will be displayed in the login form 
@@ -964,7 +971,6 @@ export interface AdminForthInputConfig {
        */
       rememberMeDays?: number,
 
-
       /**
        * Can be used to limit user access when subscribing from frontend to websocket topics.
        * @param topic - topic where user is trying to subscribe
diff --git a/adminforth/types/Common.ts b/adminforth/types/Common.ts
index 7385fc33..4ffcdde7 100644
--- a/adminforth/types/Common.ts
+++ b/adminforth/types/Common.ts
@@ -1058,6 +1058,7 @@ export interface AdminForthConfigForFrontend {
     list?: string,
   },
   announcementBadge?: AnnouncementBadgeResponse | null,
+  adminforthUserCleanupWarning?: AnnouncementBadgeResponse | null,
   globalInjections: {
     userMenu: Array<AdminForthComponentDeclarationFull>,
     header: Array<AdminForthComponentDeclarationFull>,
diff --git a/dev-demo/index.ts b/dev-demo/index.ts
index d10c4199..d3cee0c3 100644
--- a/dev-demo/index.ts
+++ b/dev-demo/index.ts
@@ -176,6 +176,19 @@ export const admin = new AdminForth({
       }
     },
 
+    adminforthUserCleanupWarning: (adminUser: AdminUser) => {
+      return {
+        html: `
+          <p>The default admin user adminforth is still active in production.</p>
+          <p>For security reasons, it's strongly recommended to create your own account and delete this default user.</p>
+          <br>
+          <p><strong>This action is critical and cannot be undone.</strong></p>
+        `,
+        closable: false,
+        title: 'Critical Security Warning',
+      }
+    },
+
     // loginPageInjections: {
     //   underInputs: '@@/login2.vue',
     // }
@@ -506,8 +519,8 @@ admin.express.serve(app);
 admin.discoverDatabases().then(async () => {
   console.log('🅿️  Database discovered');
 
-  if (!await admin.resource('users').get([Filters.EQ('email', 'adminforth')])) {
-    await admin.resource('users').create({
+  if (await admin.resource('adminuser').count() === 0) {
+    await admin.resource('adminuser').create({
       email: 'adminforth',
       password_hash: await AdminForth.Utils.generatePasswordHash('adminforth'),
       role: 'superadmin',