diff --git a/apps/desktop/src/key-management/biometrics/os-biometrics-linux.service.spec.ts b/apps/desktop/src/key-management/biometrics/os-biometrics-linux.service.spec.ts
new file mode 100644
index 00000000000..0e39b1a90e2
--- /dev/null
+++ b/apps/desktop/src/key-management/biometrics/os-biometrics-linux.service.spec.ts
@@ -0,0 +1,96 @@
+import { SymmetricCryptoKey } from "@bitwarden/common/platform/models/domain/symmetric-crypto-key";
+import { UserId } from "@bitwarden/common/types/guid";
+import { biometrics, passwords } from "@bitwarden/desktop-napi";
+import { BiometricsStatus } from "@bitwarden/key-management";
+
+import OsBiometricsServiceLinux from "./os-biometrics-linux.service";
+
+jest.mock("@bitwarden/desktop-napi", () => ({
+  biometrics: {
+    initBiometricSystem: jest.fn(() => "mockSystem"),
+    provideKey: jest.fn(),
+    unenroll: jest.fn(),
+    unlock: jest.fn(),
+    authenticate: jest.fn(),
+    authenticateAvailable: jest.fn(),
+    unlockAvailable: jest.fn(),
+  },
+  passwords: {
+    isAvailable: jest.fn(),
+  },
+}));
+
+const mockKey = new Uint8Array(64);
+
+jest.mock("../../utils", () => ({
+  isFlatpak: jest.fn(() => false),
+  isLinux: jest.fn(() => true),
+  isSnapStore: jest.fn(() => false),
+}));
+
+describe("OsBiometricsServiceLinux", () => {
+  const userId = "user-id" as UserId;
+  const key = { toEncoded: () => ({ buffer: Buffer.from(mockKey) }) } as SymmetricCryptoKey;
+  let service: OsBiometricsServiceLinux;
+
+  beforeEach(() => {
+    service = new OsBiometricsServiceLinux();
+    jest.clearAllMocks();
+  });
+
+  it("should set biometric key", async () => {
+    await service.setBiometricKey(userId, key);
+    expect(biometrics.provideKey).toHaveBeenCalled();
+  });
+
+  it("should delete biometric key", async () => {
+    await service.deleteBiometricKey(userId);
+    expect(biometrics.unenroll).toHaveBeenCalled();
+  });
+
+  it("should get biometric key", async () => {
+    (biometrics.unlock as jest.Mock).mockResolvedValue(mockKey);
+    const result = await service.getBiometricKey(userId);
+    expect(result).toBeInstanceOf(SymmetricCryptoKey);
+  });
+
+  it("should return null if no biometric key", async () => {
+    (biometrics.unlock as jest.Mock).mockResolvedValue(null);
+    const result = await service.getBiometricKey(userId);
+    expect(result).toBeNull();
+  });
+
+  it("should authenticate biometric", async () => {
+    (biometrics.authenticate as jest.Mock).mockResolvedValue(true);
+    const result = await service.authenticateBiometric();
+    expect(result).toBe(true);
+  });
+
+  it("should check if biometrics is supported", async () => {
+    (passwords.isAvailable as jest.Mock).mockResolvedValue(true);
+    const result = await service.supportsBiometrics();
+    expect(result).toBe(true);
+  });
+
+  it("should check if setup is needed", async () => {
+    (biometrics.authenticateAvailable as jest.Mock).mockResolvedValue(false);
+    const result = await service.needsSetup();
+    expect(result).toBe(true);
+  });
+
+  it("should check if can auto setup", async () => {
+    const result = await service.canAutoSetup();
+    expect(result).toBe(true);
+  });
+
+  it("should get biometrics first unlock status for user", async () => {
+    (biometrics.unlockAvailable as jest.Mock).mockResolvedValue(true);
+    const result = await service.getBiometricsFirstUnlockStatusForUser(userId);
+    expect(result).toBe(BiometricsStatus.Available);
+  });
+
+  it("should return false for hasPersistentKey", async () => {
+    const result = await service.hasPersistentKey(userId);
+    expect(result).toBe(false);
+  });
+});
diff --git a/apps/desktop/src/key-management/biometrics/os-biometrics-windows.service.spec.ts b/apps/desktop/src/key-management/biometrics/os-biometrics-windows.service.spec.ts
new file mode 100644
index 00000000000..0caa63568d1
--- /dev/null
+++ b/apps/desktop/src/key-management/biometrics/os-biometrics-windows.service.spec.ts
@@ -0,0 +1,114 @@
+import { mock } from "jest-mock-extended";
+
+import { I18nService } from "@bitwarden/common/platform/abstractions/i18n.service";
+import { SymmetricCryptoKey } from "@bitwarden/common/platform/models/domain/symmetric-crypto-key";
+import { UserId } from "@bitwarden/common/types/guid";
+import { biometrics } from "@bitwarden/desktop-napi";
+import { BiometricsStatus } from "@bitwarden/key-management";
+
+
+import { WindowMain } from "../../main/window.main";
+
+import OsBiometricsServiceWindows from "./os-biometrics-windows.service";
+
+
+jest.mock("@bitwarden/desktop-napi", () => ({
+  biometrics: {
+    initBiometricSystem: jest.fn(() => "mockSystem"),
+    provideKey: jest.fn(),
+    unenroll: jest.fn(),
+    unlock: jest.fn(),
+    authenticate: jest.fn(),
+    authenticateAvailable: jest.fn(),
+    unlockAvailable: jest.fn(),
+    hasPersistent: jest.fn(),
+  },
+  passwords: {
+    isAvailable: jest.fn(),
+  },
+}));
+
+const mockKey = new Uint8Array(64);
+
+jest.mock("../../utils", () => ({
+  isFlatpak: jest.fn(() => false),
+  isLinux: jest.fn(() => true),
+  isSnapStore: jest.fn(() => false),
+}));
+
+describe("OsBiometricsServiceWindows", () => {
+  const userId = "user-id" as UserId;
+
+  let service: OsBiometricsServiceWindows;
+  let i18nService: I18nService;
+  let windowMain: WindowMain;
+
+  beforeEach(() => {
+    i18nService = mock<I18nService>();
+    windowMain = mock<WindowMain>();
+    windowMain.win.getNativeWindowHandle = jest.fn().mockReturnValue(Buffer.from([1, 2, 3, 4]));
+    service = new OsBiometricsServiceWindows(i18nService, windowMain);
+  });
+
+  it("should set biometric key", async () => {
+    await service.setBiometricKey(userId, new SymmetricCryptoKey(mockKey));
+    expect(biometrics.provideKey).toHaveBeenCalled();
+  });
+
+  it("should delete biometric key", async () => {
+    await service.deleteBiometricKey(userId);
+    expect(biometrics.unenroll).toHaveBeenCalled();
+  });
+
+  it("should get biometric key", async () => {
+    (biometrics.unlock as jest.Mock).mockResolvedValue(mockKey);
+    const result = await service.getBiometricKey(userId);
+    expect(result).toBeInstanceOf(SymmetricCryptoKey);
+  });
+
+  it("should return null if no biometric key", async () => {
+    (biometrics.unlock as jest.Mock).mockRejectedValue(new Error("No key found"));
+    const result = await service.getBiometricKey(userId);
+    expect(result).toBeNull();
+  });
+
+  it("should authenticate biometric", async () => {
+    (biometrics.authenticate as jest.Mock).mockResolvedValue(true);
+    const result = await service.authenticateBiometric();
+    expect(result).toBe(true);
+  });
+
+  it("should check if biometrics is supported", async () => {
+    (biometrics.authenticateAvailable as jest.Mock).mockResolvedValue(true);
+    const result = await service.supportsBiometrics();
+    expect(result).toBe(true);
+  });
+
+  it("should return needs setup false", async () => {
+    const result = await service.needsSetup();
+    expect(result).toBe(false);
+  });
+
+  it("should return auto setup false", async () => {
+    const result = await service.canAutoSetup();
+    expect(result).toBe(false);
+  });
+
+  it("should get biometrics first unlock status for user", async () => {
+    (biometrics.unlockAvailable as jest.Mock).mockResolvedValue(true);
+    const result = await service.getBiometricsFirstUnlockStatusForUser(userId);
+    expect(result).toBe(BiometricsStatus.Available);
+  });
+
+  it("should return false for hasPersistentKey false", async () => {
+    (biometrics.hasPersistent as jest.Mock).mockResolvedValue(false);
+    const result = await service.hasPersistentKey(userId);
+    expect(result).toBe(false);
+  });
+
+  it("should return false for hasPersistentKey true", async () => {
+    (biometrics.hasPersistent as jest.Mock).mockResolvedValue(true);
+    const result = await service.hasPersistentKey(userId);
+    expect(result).toBe(true);
+  });
+});
diff --git a/apps/desktop/src/key-management/biometrics/os-biometrics-windows.service.ts b/apps/desktop/src/key-management/biometrics/os-biometrics-windows.service.ts
index c47a639033b..163e4a2c2d0 100644
--- a/apps/desktop/src/key-management/biometrics/os-biometrics-windows.service.ts
+++ b/apps/desktop/src/key-management/biometrics/os-biometrics-windows.service.ts
@@ -33,12 +33,16 @@ export default class OsBiometricsServiceWindows implements OsBiometricService {
   }
 
   async getBiometricKey(userId: UserId): Promise<SymmetricCryptoKey | null> {
-    const key = await biometrics.unlock(
-      this.biometricsSystem,
-      userId,
-      this.windowMain.win.getNativeWindowHandle(),
-    );
-    return new SymmetricCryptoKey(Uint8Array.from(key));
+    try {
+      const key = await biometrics.unlock(
+        this.biometricsSystem,
+        userId,
+        this.windowMain.win.getNativeWindowHandle(),
+      );
+      return new SymmetricCryptoKey(Uint8Array.from(key));
+    } catch {
+      return null;
+    }
   }
 
   async setBiometricKey(userId: UserId, key: SymmetricCryptoKey): Promise<void> {