diff --git a/res/css/components/views/settings/devices/_DeviceDetails.pcss b/res/css/components/views/settings/devices/_DeviceDetails.pcss
index 3017935bb7b..d53dcee02b7 100644
--- a/res/css/components/views/settings/devices/_DeviceDetails.pcss
+++ b/res/css/components/views/settings/devices/_DeviceDetails.pcss
@@ -34,6 +34,7 @@ limitations under the License.
 
     display: grid;
     grid-gap: $spacing-16;
+    justify-content: left;
 
     &:last-child {
         padding-bottom: 0;
@@ -46,7 +47,7 @@ limitations under the License.
     margin: 0;
 }
 
-.mxDeviceDetails_metadataTable {
+.mx_DeviceDetails_metadataTable {
     font-size: $font-12px;
     color: $secondary-content;
 
diff --git a/res/css/views/elements/_AccessibleButton.pcss b/res/css/views/elements/_AccessibleButton.pcss
index 8718d862337..bb4d4924811 100644
--- a/res/css/views/elements/_AccessibleButton.pcss
+++ b/res/css/views/elements/_AccessibleButton.pcss
@@ -138,15 +138,25 @@ limitations under the License.
     }
 
     &.mx_AccessibleButton_kind_link,
-    &.mx_AccessibleButton_kind_link_inline {
-        color: $accent;
+    &.mx_AccessibleButton_kind_link_inline,
+    &.mx_AccessibleButton_kind_danger_inline {
         font-size: inherit;
         font-weight: normal;
         line-height: inherit;
         padding: 0;
     }
 
+    &.mx_AccessibleButton_kind_link,
     &.mx_AccessibleButton_kind_link_inline {
+        color: $accent;
+    }
+
+    &.mx_AccessibleButton_kind_danger_inline {
+        color: $alert;
+    }
+
+    &.mx_AccessibleButton_kind_link_inline,
+    &.mx_AccessibleButton_kind_danger_inline {
         display: inline;
     }
 
diff --git a/src/components/views/elements/AccessibleButton.tsx b/src/components/views/elements/AccessibleButton.tsx
index a2337444cfa..c90293aff4e 100644
--- a/src/components/views/elements/AccessibleButton.tsx
+++ b/src/components/views/elements/AccessibleButton.tsx
@@ -29,6 +29,7 @@ type AccessibleButtonKind = | 'primary'
     | 'danger'
     | 'danger_outline'
     | 'danger_sm'
+    | 'danger_inline'
     | 'link'
     | 'link_inline'
     | 'link_sm'
diff --git a/src/components/views/settings/devices/CurrentDeviceSection.tsx b/src/components/views/settings/devices/CurrentDeviceSection.tsx
index ca4e1494901..8db70aa2b1b 100644
--- a/src/components/views/settings/devices/CurrentDeviceSection.tsx
+++ b/src/components/views/settings/devices/CurrentDeviceSection.tsx
@@ -29,10 +29,14 @@ interface Props {
     device?: DeviceWithVerification;
     isLoading: boolean;
     onVerifyCurrentDevice: () => void;
+    onSignOutCurrentDevice: () => void;
 }
 
 const CurrentDeviceSection: React.FC<Props> = ({
-    device, isLoading, onVerifyCurrentDevice,
+    device,
+    isLoading,
+    onVerifyCurrentDevice,
+    onSignOutCurrentDevice,
 }) => {
     const [isExpanded, setIsExpanded] = useState(false);
 
@@ -51,7 +55,12 @@ const CurrentDeviceSection: React.FC<Props> = ({
                     onClick={() => setIsExpanded(!isExpanded)}
                 />
             </DeviceTile>
-            { isExpanded && <DeviceDetails device={device} /> }
+            { isExpanded &&
+                <DeviceDetails
+                    device={device}
+                    onSignOutDevice={onSignOutCurrentDevice}
+                />
+            }
             <br />
             <DeviceVerificationStatusCard device={device} onVerifyDevice={onVerifyCurrentDevice} />
         </>
diff --git a/src/components/views/settings/devices/DeviceDetails.tsx b/src/components/views/settings/devices/DeviceDetails.tsx
index 779e29b8d15..48c32ad1a79 100644
--- a/src/components/views/settings/devices/DeviceDetails.tsx
+++ b/src/components/views/settings/devices/DeviceDetails.tsx
@@ -18,6 +18,7 @@ import React from 'react';
 
 import { formatDate } from '../../../../DateUtils';
 import { _t } from '../../../../languageHandler';
+import AccessibleButton from '../../elements/AccessibleButton';
 import Heading from '../../typography/Heading';
 import { DeviceVerificationStatusCard } from './DeviceVerificationStatusCard';
 import { DeviceWithVerification } from './types';
@@ -25,6 +26,9 @@ import { DeviceWithVerification } from './types';
 interface Props {
     device: DeviceWithVerification;
     onVerifyDevice?: () => void;
+    // @TODO(kerry) optional while signout only implemented
+    // for current device (PSG-744)
+    onSignOutDevice?: () => void;
 }
 
 interface MetadataTable {
@@ -35,6 +39,7 @@ interface MetadataTable {
 const DeviceDetails: React.FC<Props> = ({
     device,
     onVerifyDevice,
+    onSignOutDevice,
 }) => {
     const metadata: MetadataTable[] = [
         {
@@ -64,7 +69,7 @@ const DeviceDetails: React.FC<Props> = ({
         <section className='mx_DeviceDetails_section'>
             <p className='mx_DeviceDetails_sectionHeading'>{ _t('Session details') }</p>
             { metadata.map(({ heading, values }, index) => <table
-                className='mxDeviceDetails_metadataTable'
+                className='mx_DeviceDetails_metadataTable'
                 key={index}
             >
                 { heading &&
@@ -82,6 +87,15 @@ const DeviceDetails: React.FC<Props> = ({
             </table>,
             ) }
         </section>
+        { !!onSignOutDevice && <section className='mx_DeviceDetails_section'>
+            <AccessibleButton
+                onClick={onSignOutDevice}
+                kind='danger_inline'
+                data-testid='device-detail-sign-out-cta'
+            >
+                { _t('Sign out of this session') }
+            </AccessibleButton>
+        </section> }
     </div>;
 };
 
diff --git a/src/components/views/settings/devices/useOwnDevices.ts b/src/components/views/settings/devices/useOwnDevices.ts
index 3f1beecae78..1a4b1e6bb20 100644
--- a/src/components/views/settings/devices/useOwnDevices.ts
+++ b/src/components/views/settings/devices/useOwnDevices.ts
@@ -19,7 +19,7 @@ import { IMyDevice, MatrixClient } from "matrix-js-sdk/src/matrix";
 import { CrossSigningInfo } from "matrix-js-sdk/src/crypto/CrossSigning";
 import { VerificationRequest } from "matrix-js-sdk/src/crypto/verification/request/VerificationRequest";
 import { User } from "matrix-js-sdk/src/models/user";
-import { MatrixError } from "matrix-js-sdk/src/matrix";
+import { MatrixError } from "matrix-js-sdk/src/http-api";
 import { logger } from "matrix-js-sdk/src/logger";
 
 import MatrixClientContext from "../../../../contexts/MatrixClientContext";
diff --git a/src/components/views/settings/tabs/user/SessionManagerTab.tsx b/src/components/views/settings/tabs/user/SessionManagerTab.tsx
index 024b71c5310..14521f84dad 100644
--- a/src/components/views/settings/tabs/user/SessionManagerTab.tsx
+++ b/src/components/views/settings/tabs/user/SessionManagerTab.tsx
@@ -27,6 +27,7 @@ import SettingsTab from '../SettingsTab';
 import Modal from '../../../../../Modal';
 import SetupEncryptionDialog from '../../../dialogs/security/SetupEncryptionDialog';
 import VerificationRequestDialog from '../../../dialogs/VerificationRequestDialog';
+import LogoutDialog from '../../../dialogs/LogoutDialog';
 
 const SessionManagerTab: React.FC = () => {
     const {
@@ -90,6 +91,15 @@ const SessionManagerTab: React.FC = () => {
         });
     }, [requestDeviceVerification, refreshDevices, currentUserMember]);
 
+    const onSignOutCurrentDevice = () => {
+        if (!currentDevice) {
+            return;
+        }
+        Modal.createDialog(LogoutDialog,
+            /* props= */{}, /* className= */undefined,
+            /* isPriority= */false, /* isStatic= */true);
+    };
+
     useEffect(() => () => {
         clearTimeout(scrollIntoViewTimeoutRef.current);
     }, [scrollIntoViewTimeoutRef]);
@@ -104,6 +114,7 @@ const SessionManagerTab: React.FC = () => {
             device={currentDevice}
             isLoading={isLoading}
             onVerifyCurrentDevice={onVerifyCurrentDevice}
+            onSignOutCurrentDevice={onSignOutCurrentDevice}
         />
         {
             shouldShowOtherSessions &&
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index df41c832399..ab35c67f368 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -1712,6 +1712,7 @@
     "Device": "Device",
     "IP address": "IP address",
     "Session details": "Session details",
+    "Sign out of this session": "Sign out of this session",
     "Toggle device details": "Toggle device details",
     "Inactive for %(inactiveAgeDays)s+ days": "Inactive for %(inactiveAgeDays)s+ days",
     "Verified": "Verified",
diff --git a/test/components/views/settings/devices/CurrentDeviceSection-test.tsx b/test/components/views/settings/devices/CurrentDeviceSection-test.tsx
index 197e50a4bf4..1fd6b2ec436 100644
--- a/test/components/views/settings/devices/CurrentDeviceSection-test.tsx
+++ b/test/components/views/settings/devices/CurrentDeviceSection-test.tsx
@@ -35,6 +35,7 @@ describe('<CurrentDeviceSection />', () => {
     const defaultProps = {
         device: alicesVerifiedDevice,
         onVerifyCurrentDevice: jest.fn(),
+        onSignOutCurrentDevice: jest.fn(),
         isLoading: false,
     };
     const getComponent = (props = {}): React.ReactElement =>
diff --git a/test/components/views/settings/devices/__snapshots__/CurrentDeviceSection-test.tsx.snap b/test/components/views/settings/devices/__snapshots__/CurrentDeviceSection-test.tsx.snap
index e20ce4f48d7..5215e7f2086 100644
--- a/test/components/views/settings/devices/__snapshots__/CurrentDeviceSection-test.tsx.snap
+++ b/test/components/views/settings/devices/__snapshots__/CurrentDeviceSection-test.tsx.snap
@@ -50,7 +50,7 @@ HTMLCollection [
         Session details
       </p>
       <table
-        class="mxDeviceDetails_metadataTable"
+        class="mx_DeviceDetails_metadataTable"
       >
         <tbody>
           <tr>
@@ -78,7 +78,7 @@ HTMLCollection [
         </tbody>
       </table>
       <table
-        class="mxDeviceDetails_metadataTable"
+        class="mx_DeviceDetails_metadataTable"
       >
         <thead>
           <tr>
@@ -101,6 +101,18 @@ HTMLCollection [
         </tbody>
       </table>
     </section>
+    <section
+      class="mx_DeviceDetails_section"
+    >
+      <div
+        class="mx_AccessibleButton mx_AccessibleButton_hasKind mx_AccessibleButton_kind_danger_inline"
+        data-testid="device-detail-sign-out-cta"
+        role="button"
+        tabindex="0"
+      >
+        Sign out of this session
+      </div>
+    </section>
   </div>,
 ]
 `;
diff --git a/test/components/views/settings/devices/__snapshots__/DeviceDetails-test.tsx.snap b/test/components/views/settings/devices/__snapshots__/DeviceDetails-test.tsx.snap
index d83ca383150..4a3d7afade0 100644
--- a/test/components/views/settings/devices/__snapshots__/DeviceDetails-test.tsx.snap
+++ b/test/components/views/settings/devices/__snapshots__/DeviceDetails-test.tsx.snap
@@ -50,7 +50,7 @@ exports[`<DeviceDetails /> renders a verified device 1`] = `
         Session details
       </p>
       <table
-        class="mxDeviceDetails_metadataTable"
+        class="mx_DeviceDetails_metadataTable"
       >
         <tbody>
           <tr>
@@ -78,7 +78,7 @@ exports[`<DeviceDetails /> renders a verified device 1`] = `
         </tbody>
       </table>
       <table
-        class="mxDeviceDetails_metadataTable"
+        class="mx_DeviceDetails_metadataTable"
       >
         <thead>
           <tr>
@@ -155,7 +155,7 @@ exports[`<DeviceDetails /> renders device with metadata 1`] = `
         Session details
       </p>
       <table
-        class="mxDeviceDetails_metadataTable"
+        class="mx_DeviceDetails_metadataTable"
       >
         <tbody>
           <tr>
@@ -185,7 +185,7 @@ exports[`<DeviceDetails /> renders device with metadata 1`] = `
         </tbody>
       </table>
       <table
-        class="mxDeviceDetails_metadataTable"
+        class="mx_DeviceDetails_metadataTable"
       >
         <thead>
           <tr>
@@ -264,7 +264,7 @@ exports[`<DeviceDetails /> renders device without metadata 1`] = `
         Session details
       </p>
       <table
-        class="mxDeviceDetails_metadataTable"
+        class="mx_DeviceDetails_metadataTable"
       >
         <tbody>
           <tr>
@@ -292,7 +292,7 @@ exports[`<DeviceDetails /> renders device without metadata 1`] = `
         </tbody>
       </table>
       <table
-        class="mxDeviceDetails_metadataTable"
+        class="mx_DeviceDetails_metadataTable"
       >
         <thead>
           <tr>
diff --git a/test/components/views/settings/tabs/user/SessionManagerTab-test.tsx b/test/components/views/settings/tabs/user/SessionManagerTab-test.tsx
index bea02207e24..ee538b27dd8 100644
--- a/test/components/views/settings/tabs/user/SessionManagerTab-test.tsx
+++ b/test/components/views/settings/tabs/user/SessionManagerTab-test.tsx
@@ -30,6 +30,7 @@ import {
     mockClientMethodsUser,
 } from '../../../../../test-utils';
 import Modal from '../../../../../../src/Modal';
+import LogoutDialog from '../../../../../../src/components/views/dialogs/LogoutDialog';
 
 jest.useFakeTimers();
 
@@ -53,7 +54,7 @@ describe('<SessionManagerTab />', () => {
     const mockCrossSigningInfo = {
         checkDeviceTrust: jest.fn(),
     };
-    const mockVerificationRequest = { cancel: jest.fn() } as unknown as VerificationRequest;
+    const mockVerificationRequest = { cancel: jest.fn(), on: jest.fn() } as unknown as VerificationRequest;
     const mockClient = getMockClientWithEventEmitter({
         ...mockClientMethodsUser(aliceId),
         getStoredCrossSigningForUser: jest.fn().mockReturnValue(mockCrossSigningInfo),
@@ -374,4 +375,29 @@ describe('<SessionManagerTab />', () => {
             expect(mockClient.getDevices).toHaveBeenCalled();
         });
     });
+
+    describe('Sign out', () => {
+        it('Signs out of current device', async () => {
+            const modalSpy = jest.spyOn(Modal, 'createDialog');
+
+            mockClient.getDevices.mockResolvedValue({ devices: [alicesDevice] });
+            const { getByTestId } = render(getComponent());
+
+            await act(async () => {
+                await flushPromisesWithFakeTimers();
+            });
+
+            // open device detail
+            const tile1 = getByTestId(`device-tile-${alicesDevice.device_id}`);
+            const toggle1 = tile1.querySelector('[aria-label="Toggle device details"]') as Element;
+            fireEvent.click(toggle1);
+
+            const signOutButton = getByTestId('device-detail-sign-out-cta');
+            expect(signOutButton).toMatchSnapshot();
+            fireEvent.click(signOutButton);
+
+            // logout dialog opened
+            expect(modalSpy).toHaveBeenCalledWith(LogoutDialog, {}, undefined, false, true);
+        });
+    });
 });
diff --git a/test/components/views/settings/tabs/user/__snapshots__/SessionManagerTab-test.tsx.snap b/test/components/views/settings/tabs/user/__snapshots__/SessionManagerTab-test.tsx.snap
index 87f9aab9523..6cec91242d5 100644
--- a/test/components/views/settings/tabs/user/__snapshots__/SessionManagerTab-test.tsx.snap
+++ b/test/components/views/settings/tabs/user/__snapshots__/SessionManagerTab-test.tsx.snap
@@ -1,5 +1,16 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`<SessionManagerTab /> Sign out Signs out of current device 1`] = `
+<div
+  class="mx_AccessibleButton mx_AccessibleButton_hasKind mx_AccessibleButton_kind_danger_inline"
+  data-testid="device-detail-sign-out-cta"
+  role="button"
+  tabindex="0"
+>
+  Sign out of this session
+</div>
+`;
+
 exports[`<SessionManagerTab /> goes to filtered list from security recommendations 1`] = `
 <div
   class="mx_FilteredDeviceList_header"