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docs/content/authentication/securing-your-account-with-two-factor-authentication-2fa/about-two-factor-authentication.md
Laura Coursen 8f964ea2cb GHEC version (#20947)
Co-authored-by: Matt Pollard <mattpollard@users.noreply.github.com>
Co-authored-by: Grace Park <gracepark@github.com>
Co-authored-by: Steve Guntrip <12534592+stevecat@users.noreply.github.com>
Co-authored-by: Robert Sese <sese@github.com>
Co-authored-by: Peter Bengtsson <peterbe@github.com>
Co-authored-by: Rachael Sewell <rachmari@github.com>
2021-10-15 15:41:33 -05:00

3.0 KiB

title, intro, redirect_from, versions, topics, shortTitle
title intro redirect_from versions topics shortTitle
About two-factor authentication {% data reusables.two_fa.about-2fa %} With 2FA, you have to log in with your username and password and provide another form of authentication that only you know or have access to.
/articles/about-two-factor-authentication
/github/authenticating-to-github/about-two-factor-authentication
/github/authenticating-to-github/securing-your-account-with-two-factor-authentication-2fa/about-two-factor-authentication
fpt ghes ghec
* * *
2FA
About 2FA

For {% data variables.product.product_name %}, the second form of authentication is a code that's generated by an application on your mobile device{% ifversion fpt or ghec %} or sent as a text message (SMS){% endif %}. After you enable 2FA, {% data variables.product.product_name %} generates an authentication code any time someone attempts to sign into your account on {% data variables.product.product_location %}. The only way someone can sign into your account is if they know both your password and have access to the authentication code on your phone.

{% data reusables.two_fa.after-2fa-add-security-key %}

You can also configure additional recovery methods in case you lose access to your two-factor authentication credentials. For more information on setting up 2FA, see "Configuring two-factor authentication" and "Configuring two-factor authentication recovery methods."

We strongly urge you to enable 2FA for the safety of your account, not only on {% data variables.product.product_name %}, but on other websites and apps that support 2FA. You can enable 2FA to access {% data variables.product.product_name %} and {% data variables.product.prodname_desktop %}.

For more information, see "Accessing {% data variables.product.prodname_dotcom %} using two-factor authentication."

Two-factor authentication recovery codes

{% data reusables.two_fa.about-recovery-codes %} For more information, see "Recovering your account if you lose your 2FA credentials."

{% ifversion fpt or ghec %}

{% warning %}

Warning: {% data reusables.two_fa.support-may-not-help %} For more information, see "Recovering your account if you lose your 2FA credentials."

{% endwarning %}

{% endif %}

Requiring two-factor authentication in your organization

Organization owners can require that organization members{% ifversion fpt or ghec %}, billing managers,{% endif %} and outside collaborators use two-factor authentication to secure their personal accounts. For more information, see "Requiring two-factor authentication in your organization."

{% data reusables.two_fa.auth_methods_2fa %}