---
title: Two-Factor Authentication (2FA)
slug: end-user-guide/two-factor-authentication-2fa
description: Learn how to enhance the security of your system with Single Connect's Two-Factor Authentication (2FA). Our document explains how system admins can easily configure and test 2FA settings during deployment. Discover how the 2FA feature is accessible both o
docTags: 
createdAt: 2022-08-10T15:44:32.000Z
---

Single Connect can be leveraged for Two-Factor Authentication. System admins configure and test 2FA definitions during deployment.

Single Connect's 2FA is available in online/offline modes with the mobile application and SMS verification.

:::hint{type="info"}
To generate a 2FA code in online and offline modes with the Single Connect Mobile Client application, see the [Two-Factor Authentication](docId:_PKBKVV9U9l-Hu8tB3Shn) topic in the Mobile Client User Guide. 
:::

# SMS Verification

When a new token is generated by Single Connect, it will be sent to the user via SMS.

**Assign Hardware Token**

The hardware token provided to the users can be stored on Single Connect.

1. Navigate to **2FA Provisioning**.
2. Open the **Assign Hardware Token** tab.
3. Enter the serial number of the device to which the hardware token is assigned.
4. Click **Assign**.

When a new token is generated by Single Connect, it will be sent to the user via SMS.

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