GitHub will send you a push notification to verify your sign in attempt. Sign in to GitHub with your browser, using your username and password. If you have installed and signed in to GitHub Mobile, you may choose to authenticate with GitHub Mobile for two-factor authentication. If you set up two-factor authentication via text messages, GitHub will send you a text message with your authentication code. For more information, see " About passkeys" and " Signing in with a passkey." Receiving a text message Since passkeys satisfy both password and 2FA requirements, you can complete your sign in with a single step. If you have enabled 2FA, and you have added a passkey to your account, you can use the passkey to sign in. ![]() Depending on your security key configuration, you may type a PIN, complete a biometric prompt, or use a physical security key. Select the appropriate option in the prompt.To trigger the security key prompt from your operating system, select "Use security key".If you use a physical security key, ensure it's connected to your device.Using your username and password, sign in to GitHub through your browser.If you've set up a security key on your account, and your browser supports security keys, you can use it to complete your sign in. For more information, see " Recovering your account if you lose your 2FA credentials." Using a security key Many TOTP apps support the secure backup of your authentication codes in the cloud and can be restored if you lose access to your device. If you delete your authenticator application after configuring two-factor authentication, you'll need to provide your recovery code to get access to your account. You should refer to your application's documentation for specific instructions. In most cases, just launching the application will generate a new code. If you chose to set up two-factor authentication using a TOTP application, you can generate an authentication code for GitHub at any time. For more information on 2FA for sensitive actions, see " Sudo mode." Generating a code through a TOTP application GitHub will only ask you to provide your 2FA authentication code again if you've logged out, are using a new device, are performing a sensitive action, or your session expires. For more information, see " About authentication to GitHub." Performing 2FA when signing in to the websiteĪfter you sign in to GitHub using your password, you'll need to provide an authentication code, tap a notification in GitHub Mobile, or use a security key to perform 2FA. If you access GitHub using other methods, such as the API or the command line, you'll authenticate using a token, application, or SSH key. For more information, see " Configuring two-factor authentication." If you cannot perform 2FA to pass the 28th day checkup, use the provided shortcut to reconfigure your 2FA settings and retain access to. If you don't authenticate within 28 days, you'll be asked to perform 2FA inside one of your existing sessions. You can exit the check up period by successfully performing 2FA within 28 days. When you first configure 2FA, your account will enter a check up period for 28 days to ensure your account's 2FA methods are setup correctly. Duo Push is an example of a soft token for MFA and 2FA-conveniently installed with the Duo Mobile app on your phone.With two-factor authentication (2FA) enabled, you'll need to use a second factor when accessing GitHub through your browser. Both soft and hard security tokens generate passcodes used for multi-factor authentication (MFA) or two-factor authentication (2FA). In the multi-factor authentication process (MFA), a soft token mobile app can generate these time-based one-time passcodes (TOTP) for all third-party sites, letting users keep their accounts in one app.Ī soft token is a software application, often installed on a mobile device, while a hard token is a physical piece of hardware, like a USB. This code must be manually entered and only works for a limited time - typically 30-60 seconds. Some websites and online services let users protect their accounts with a mobile-generated passcode. Tokens are often in the form of a Bluetooth keyring fob, smart card, or USB. These devices generate a unique passcode for users to enter to gain access to systems, networks, or applications. Security tokens are physical tools or devices that a user carries to authenticate their identity online for secure login.
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