diff --git a/src/app/hooks/useDeviceList.js b/src/app/hooks/useDeviceList.js
deleted file mode 100644
index 7daaad1f3..000000000
--- a/src/app/hooks/useDeviceList.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/* eslint-disable import/prefer-default-export */
-import { useState, useEffect } from 'react';
-import { useMatrixClient } from './useMatrixClient';
-
-export function useDeviceList() {
-  const mx = useMatrixClient();
-  const [deviceList, setDeviceList] = useState(null);
-
-  useEffect(() => {
-    let isMounted = true;
-
-    const updateDevices = () => mx.getDevices().then((data) => {
-      if (!isMounted) return;
-      setDeviceList(data.devices || []);
-    });
-    updateDevices();
-
-    const handleDevicesUpdate = (users) => {
-      if (users.includes(mx.getUserId())) {
-        updateDevices();
-      }
-    };
-
-    mx.on('crypto.devicesUpdated', handleDevicesUpdate);
-    return () => {
-      mx.removeListener('crypto.devicesUpdated', handleDevicesUpdate);
-      isMounted = false;
-    };
-  }, [mx]);
-  return deviceList;
-}
diff --git a/src/app/hooks/useDeviceList.ts b/src/app/hooks/useDeviceList.ts
new file mode 100644
index 000000000..daec7cbe6
--- /dev/null
+++ b/src/app/hooks/useDeviceList.ts
@@ -0,0 +1,35 @@
+/* eslint-disable import/prefer-default-export */
+import { useState, useEffect } from 'react';
+import { CryptoEvent, IMyDevice } from 'matrix-js-sdk';
+import { CryptoEventHandlerMap } from 'matrix-js-sdk/lib/crypto';
+import { useMatrixClient } from './useMatrixClient';
+
+export function useDeviceList() {
+  const mx = useMatrixClient();
+  const [deviceList, setDeviceList] = useState<IMyDevice[] | null>(null);
+
+  useEffect(() => {
+    let isMounted = true;
+
+    const updateDevices = () =>
+      mx.getDevices().then((data) => {
+        if (!isMounted) return;
+        setDeviceList(data.devices || []);
+      });
+    updateDevices();
+
+    const handleDevicesUpdate: CryptoEventHandlerMap[CryptoEvent.DevicesUpdated] = (users) => {
+      const userId = mx.getUserId();
+      if (userId && users.includes(userId)) {
+        updateDevices();
+      }
+    };
+
+    mx.on(CryptoEvent.DevicesUpdated, handleDevicesUpdate);
+    return () => {
+      mx.removeListener(CryptoEvent.DevicesUpdated, handleDevicesUpdate);
+      isMounted = false;
+    };
+  }, [mx]);
+  return deviceList;
+}
diff --git a/src/app/pages/client/SidebarNav.tsx b/src/app/pages/client/SidebarNav.tsx
index fb6bd7422..110e46940 100644
--- a/src/app/pages/client/SidebarNav.tsx
+++ b/src/app/pages/client/SidebarNav.tsx
@@ -10,7 +10,15 @@ import {
   SidebarItemTooltip,
   SidebarItem,
 } from '../../components/sidebar';
-import { DirectTab, HomeTab, SpaceTabs, InboxTab, ExploreTab, UserTab } from './sidebar';
+import {
+  DirectTab,
+  HomeTab,
+  SpaceTabs,
+  InboxTab,
+  ExploreTab,
+  UserTab,
+  UnverifiedTab,
+} from './sidebar';
 import { openCreateRoom, openSearch } from '../../../client/action/navigation';
 
 export function SidebarNav() {
@@ -65,6 +73,8 @@ export function SidebarNav() {
                 </SidebarItemTooltip>
               </SidebarItem>
 
+              <UnverifiedTab />
+
               <InboxTab />
               <UserTab />
             </SidebarStack>
diff --git a/src/app/pages/client/sidebar/UnverifiedTab.css.ts b/src/app/pages/client/sidebar/UnverifiedTab.css.ts
new file mode 100644
index 000000000..e8fe8c51b
--- /dev/null
+++ b/src/app/pages/client/sidebar/UnverifiedTab.css.ts
@@ -0,0 +1,24 @@
+import { keyframes, style } from '@vanilla-extract/css';
+import { color, toRem } from 'folds';
+
+const pushRight = keyframes({
+  from: {
+    transform: `translateX(${toRem(2)}) scale(1)`,
+  },
+  to: {
+    transform: 'translateX(0) scale(1)',
+  },
+});
+
+export const UnverifiedTab = style({
+  animationName: pushRight,
+  animationDuration: '400ms',
+  animationIterationCount: 30,
+  animationDirection: 'alternate',
+});
+
+export const UnverifiedAvatar = style({
+  backgroundColor: color.Critical.Container,
+  color: color.Critical.OnContainer,
+  borderColor: color.Critical.ContainerLine,
+});
diff --git a/src/app/pages/client/sidebar/UnverifiedTab.tsx b/src/app/pages/client/sidebar/UnverifiedTab.tsx
new file mode 100644
index 000000000..402ffc2b8
--- /dev/null
+++ b/src/app/pages/client/sidebar/UnverifiedTab.tsx
@@ -0,0 +1,51 @@
+import React from 'react';
+import { Badge, color, Icon, Icons, Text } from 'folds';
+import { openSettings } from '../../../../client/action/navigation';
+import { isCrossVerified } from '../../../../util/matrixUtil';
+import {
+  SidebarAvatar,
+  SidebarItem,
+  SidebarItemBadge,
+  SidebarItemTooltip,
+} from '../../../components/sidebar';
+import { useDeviceList } from '../../../hooks/useDeviceList';
+import { tabText } from '../../../organisms/settings/Settings';
+import { useMatrixClient } from '../../../hooks/useMatrixClient';
+import * as css from './UnverifiedTab.css';
+
+export function UnverifiedTab() {
+  const mx = useMatrixClient();
+  const deviceList = useDeviceList();
+  console.log(deviceList);
+  const unverified = deviceList?.filter(
+    (device) => isCrossVerified(mx, device.device_id) === false
+  );
+  console.log(unverified);
+
+  if (!unverified?.length) return null;
+
+  return (
+    <SidebarItem className={css.UnverifiedTab}>
+      <SidebarItemTooltip tooltip="Unverified Sessions">
+        {(triggerRef) => (
+          <SidebarAvatar
+            className={css.UnverifiedAvatar}
+            as="button"
+            ref={triggerRef}
+            outlined
+            onClick={() => openSettings(tabText.SECURITY)}
+          >
+            <Icon style={{ color: color.Critical.Main }} src={Icons.ShieldUser} />
+          </SidebarAvatar>
+        )}
+      </SidebarItemTooltip>
+      <SidebarItemBadge hasCount>
+        <Badge variant="Critical" size="400" fill="Solid" radii="Pill" outlined={false}>
+          <Text as="span" size="L400">
+            {unverified.length}
+          </Text>
+        </Badge>
+      </SidebarItemBadge>
+    </SidebarItem>
+  );
+}
diff --git a/src/app/pages/client/sidebar/index.ts b/src/app/pages/client/sidebar/index.ts
index 63c5d4bb6..5da8780b1 100644
--- a/src/app/pages/client/sidebar/index.ts
+++ b/src/app/pages/client/sidebar/index.ts
@@ -4,3 +4,4 @@ export * from './SpaceTabs';
 export * from './InboxTab';
 export * from './ExploreTab';
 export * from './UserTab';
+export * from './UnverifiedTab';
diff --git a/src/util/matrixUtil.js b/src/util/matrixUtil.js
index 9f1d94212..7664c3a40 100644
--- a/src/util/matrixUtil.js
+++ b/src/util/matrixUtil.js
@@ -106,7 +106,7 @@ export function isCrossVerified(mx, deviceId) {
     const deviceInfo = mx.getStoredDevice(mx.getUserId(), deviceId);
     const deviceTrust = crossSignInfo.checkDeviceTrust(crossSignInfo, deviceInfo, false, true);
     return deviceTrust.isCrossSigningVerified();
-  } catch {
+  } catch (e) {
     // device does not support encryption
     return null;
   }