diff --git a/packages/react-components/react-drawer/etc/react-drawer.api.md b/packages/react-components/react-drawer/etc/react-drawer.api.md
index 37b6b074c19914..0a60e47f1d11e9 100644
--- a/packages/react-components/react-drawer/etc/react-drawer.api.md
+++ b/packages/react-components/react-drawer/etc/react-drawer.api.md
@@ -32,6 +32,7 @@ export type DrawerProps = ComponentProps<Partial<DrawerSlots>> & {
     type?: 'inline' | 'overlay';
     size?: 'small' | 'medium' | 'large' | 'full';
     modal?: boolean;
+    lightDismiss?: boolean;
     separator?: boolean;
 } & Pick<DialogProps, 'open' | 'defaultOpen' | 'onOpenChange'>;
 
diff --git a/packages/react-components/react-drawer/src/components/Drawer/Drawer.cy.tsx b/packages/react-components/react-drawer/src/components/Drawer/Drawer.cy.tsx
index 78c3209b4f4e0b..da1ff5d484f34b 100644
--- a/packages/react-components/react-drawer/src/components/Drawer/Drawer.cy.tsx
+++ b/packages/react-components/react-drawer/src/components/Drawer/Drawer.cy.tsx
@@ -3,11 +3,21 @@ import { mount } from '@cypress/react';
 import type {} from '@cypress/react';
 import { FluentProvider } from '@fluentui/react-provider';
 import { webLightTheme } from '@fluentui/react-theme';
-import { Drawer } from '@fluentui/react-drawer';
+import { Drawer, DrawerProps } from '@fluentui/react-drawer';
+import { dialogSurfaceClassNames } from '@fluentui/react-dialog';
 
 const mountFluent = (element: JSX.Element) => {
   mount(<FluentProvider theme={webLightTheme}>{element}</FluentProvider>);
 };
+const backdropSelector = `.${dialogSurfaceClassNames.backdrop}`;
+
+const ControlledDrawer = ({ open: initialOpen = false, ...props }: DrawerProps) => {
+  const [isOpen, setIsOpen] = React.useState(initialOpen);
+
+  React.useEffect(() => setIsOpen(initialOpen), [initialOpen]);
+
+  return <Drawer id="drawer" open={isOpen} onOpenChange={(_, { open }) => setIsOpen(open)} {...props} />;
+};
 
 describe('Drawer', () => {
   it('render drawer component', () => {
@@ -22,7 +32,7 @@ describe('Drawer', () => {
 
       return (
         <>
-          <Drawer open={open} id="drawer" />
+          <ControlledDrawer position="right" open={open} />
           <button id="button" onClick={() => setOpen(true)}>
             Open
           </button>
@@ -36,4 +46,20 @@ describe('Drawer', () => {
     cy.get('#button').click();
     cy.get('#drawer').should('exist');
   });
+
+  it('should dismiss the drawer when clicking the backdrop', () => {
+    mountFluent(<ControlledDrawer open />);
+
+    cy.get('#drawer').should('exist');
+    cy.get(backdropSelector).click({ force: true });
+    cy.get('#drawer').should('not.exist');
+  });
+
+  it('should NOT dismiss the drawer when clicking on the backdrop if `lightDismiss` is false', () => {
+    mountFluent(<ControlledDrawer open lightDismiss={false} />);
+
+    cy.get('#drawer').should('exist');
+    cy.get(backdropSelector).click({ force: true });
+    cy.get('#drawer').should('exist');
+  });
 });
diff --git a/packages/react-components/react-drawer/src/components/Drawer/Drawer.types.ts b/packages/react-components/react-drawer/src/components/Drawer/Drawer.types.ts
index 810a0a399e5f43..e79b8e3a26fa6c 100644
--- a/packages/react-components/react-drawer/src/components/Drawer/Drawer.types.ts
+++ b/packages/react-components/react-drawer/src/components/Drawer/Drawer.types.ts
@@ -53,6 +53,13 @@ export type DrawerProps = ComponentProps<Partial<DrawerSlots>> & {
    */
   modal?: boolean;
 
+  /**
+   * When this is true, the drawer will be closed on a click on the overlay.
+   * This prop is only used when `type` is `overlay`.
+   * @defaultvalue true
+   */
+  lightDismiss?: boolean;
+
   /**
    * Whether the drawer has a separator line.
    * This prop only works when `type` is `inline`.
diff --git a/packages/react-components/react-drawer/src/components/Drawer/useDrawer.ts b/packages/react-components/react-drawer/src/components/Drawer/useDrawer.ts
index 6d17a79d8787fd..9d739f16143281 100644
--- a/packages/react-components/react-drawer/src/components/Drawer/useDrawer.ts
+++ b/packages/react-components/react-drawer/src/components/Drawer/useDrawer.ts
@@ -4,22 +4,34 @@ import { DialogProps } from '@fluentui/react-dialog';
 
 import type { DrawerProps, DrawerState } from './Drawer.types';
 
+const getModalType = (modal?: DrawerProps['modal'], lightDismiss?: DrawerProps['lightDismiss']) => {
+  if (!modal) {
+    return 'non-modal';
+  }
+
+  if (!lightDismiss) {
+    return 'alert';
+  }
+
+  return 'modal';
+};
+
 /**
  * @internal
  * Create the state required to render DrawerDialog.
  * @param props - props from this instance of Drawer
  */
 const useDrawerDialogProps = (props: DrawerProps) => {
-  const { open, onOpenChange, modal, children, ...otherProps } = props;
+  const { open, onOpenChange, modal, children, lightDismiss, ...otherProps } = props;
 
   const dialogProps = React.useMemo(() => {
     return {
+      modalType: getModalType(modal, lightDismiss),
       open,
       onOpenChange,
-      modalType: modal ? 'modal' : 'non-modal',
       children,
     } as DialogProps;
-  }, [children, modal, onOpenChange, open]);
+  }, [children, lightDismiss, modal, onOpenChange, open]);
 
   const dialogSurfaceProps = React.useMemo(() => {
     return {
@@ -49,6 +61,7 @@ export const useDrawer_unstable = (props: DrawerProps, ref: React.Ref<HTMLElemen
     position = 'left',
     size = 'small',
     modal = true,
+    lightDismiss = true,
     separator = false,
     open: initialOpen = false,
     defaultOpen: initialDefaultOpen = false,
@@ -62,6 +75,7 @@ export const useDrawer_unstable = (props: DrawerProps, ref: React.Ref<HTMLElemen
 
   const { dialog, dialogSurface } = useDrawerDialogProps({
     ...props,
+    lightDismiss,
     open,
     modal,
   });
diff --git a/packages/react-components/react-drawer/stories/Drawer/DrawerPreventClose.stories.tsx b/packages/react-components/react-drawer/stories/Drawer/DrawerPreventClose.stories.tsx
new file mode 100644
index 00000000000000..02d079a65bbd95
--- /dev/null
+++ b/packages/react-components/react-drawer/stories/Drawer/DrawerPreventClose.stories.tsx
@@ -0,0 +1,22 @@
+import * as React from 'react';
+import { Drawer } from '@fluentui/react-drawer';
+import { Button } from '@fluentui/react-components';
+
+export const PreventClose = () => {
+  const [open, setOpen] = React.useState(false);
+
+  return (
+    <div>
+      <Drawer position="right" open={open} lightDismiss={false}>
+        <Button appearance="outline" onClick={() => setOpen(false)}>
+          Close
+        </Button>
+        <p>This drawer cannot be closed when clicking outside nor using the "ESC" key</p>
+      </Drawer>
+
+      <Button appearance="primary" onClick={() => setOpen(true)}>
+        Toggle
+      </Button>
+    </div>
+  );
+};
diff --git a/packages/react-components/react-drawer/stories/Drawer/index.stories.tsx b/packages/react-components/react-drawer/stories/Drawer/index.stories.tsx
index 571b02052031f7..48f0c9d4d65b84 100644
--- a/packages/react-components/react-drawer/stories/Drawer/index.stories.tsx
+++ b/packages/react-components/react-drawer/stories/Drawer/index.stories.tsx
@@ -4,12 +4,13 @@ import bestPracticesMd from './DrawerBestPractices.md';
 import previewMd from './DrawerPreview.md';
 
 export { Default } from './DrawerDefault.stories';
+export { DefaultOpen } from './DrawerDefaultOpen.stories';
+export { AlwaysOpen } from './DrawerAlwaysOpen.stories';
+export { PreventClose } from './DrawerPreventClose.stories';
 export { Position } from './DrawerPosition.stories';
 export { Inline } from './DrawerInline.stories';
 export { Size } from './DrawerSize.stories';
 export { CustomSize } from './DrawerCustomSize.stories';
-export { DefaultOpen } from './DrawerDefaultOpen.stories';
-export { AlwaysOpen } from './DrawerAlwaysOpen.stories';
 export { Separator } from './DrawerSeparator.stories';
 
 export default {