.. ykauth-yubikey-login.rst

.. _ykauth-yubikey-login-label:

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Log on to your MFA Account with Yubico Authenticator
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Once you have configured your account with a service for authenticator app two-factor authentication, you must use a code generated by Yubico Authenticator when logging in to that service.

Logging on to Your Account, Service, or Website
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After you have configured your account for two-factor authentication using the Yubico Authenticator, when logging in to that service you *must* use a code generated by the Yubico Authenticator.

:Step 1: Launch Yubico Authenticator on your mobile device or computer.

:Step 2: Log into your account or service website on the device (mobile or desktop). Enter your usual credentials: user name and password.

    * You are then prompted for an authenticator code.

:Step 3: Locate the authenticator code from your Yubico Authenticator.

    * **Desktop:** Insert your YubiKey into your mobile device. The code is listed next to the service's identification, for example: **Issuer** (the name of the service). Double-click the authenticator code to copy it.

    * **Mobile iOS Lightning port:**

        a) Insert your YubiKey 5Ci into your device's Lightning port.

        b) If the credential requires a touch verification, touch your YubiKey's sensor. For example with a YubiKey 5Ci. (See Note)

           The code is listed next to the service's identification, for example: **Issuer** (the name of the service).


    * **Mobile iOS NFC:**

        a) Place the Yubikey over the NFC area (pull down) to activate NFC.

        b) When prompted, scan your key.

        c) If the credential requires a touch verification, scan your YubiKey NFC again. (See Note)

           The code is listed next to the service's identification, for example: **Issuer** (the name of the service).


    * **Mobile Android:** Tap and hold your NFC-enabled YubiKey against the NFC antenna on the back of your phone. The code is shown next to the service's identification, for example: **Issuer** (the name of the service).

    * **Note:** For generating codes set to require touch, tap the **refresh** icon next to the credential, then scan the YubiKey a second time when prompted. Touch credentials work this way over NFC because NFC does not provide enough power for the capacitive touch sensor on the YubiKey to function.


:Step 4: Paste (desktop) or Enter (mobile) the code into the appropriate field on the service website or account and click **Sign In** (or similar).

         **TIP**: In Yubico Authenticator for Desktop, you can double-click the code, and then paste it into the field for the authenticator code.



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To file a support ticket with Yubico, click `Support <https://www.yubico.com/products/yubienterprise/contact-support/>`_.