![]() While SSO with 2FA is a powerful way to protect organization or enterprise-owned resources, it does not protect user-owned content on unrelated to an organization or enterprise, nor does it protect a user's profile and settings. If you have been selected for mandatory 2FA, you must enroll in 2FA on even if your company already requires single sign-on (SSO) with 2FA. For more information, see HOTP: An HMAC-Based One-Time Password Algorithm in the IETF documentation. 80 bits is lower than the 128 bits recommended by the HOTP RFC, but at this time we have no plans to change this and recommend ignoring this message. GitHub uses an 80 bit secret to ensure compatibility with older versions of Google Authenticator. Note: If you are using FreeOTP for 2FA, you may see a warning about weak cryptographic parameters. For more information on manually setting up a TOTP app, see " Configuring two-factor authentication." For more information on RFC 6238, see TOTP: Time-Based One-Time Password Algorithm in the IETF documentation. ![]() You can also manually set up any app that generates a code compatible with RFC 6238. For desktop applications, we recommend KeePassXC, and for browser-based plugins, we recommend 1Password. If you do not want to download an app on your mobile device, there are multiple options for standalone TOTP apps that run across platforms. For more information on configuring TOTP apps, see " Configuring two-factor authentication." TOTP apps are the recommended 2FA factor for GitHub. For more information, see " Recovering your account if you lose your 2FA credentials." About TOTP apps and mandatory 2FA If you set your browser to wipe your cookies every day, you'll never have a verified device for account recovery purposes, as the _device_id cookie is used to securely prove you've used that device previously. Note: We recommend retaining cookies on. About email verification and mandatory 2FA.As passkeys are more widely adopted and sync support is more prevalent, we will support them as a primary method. SMS is reliable in most countries, but has security risks that some threat models may not work with.Ĭurrently, we don't support passkeys or security keys as primary 2FA methods since they are easy to lose and do not support sync across a wide enough range of devices. If you don't have a passkey or security key, the GitHub Mobile app is a good backup option as well. We recommend setting up a time-based one-time password (TOTP) app as your primary 2FA method, and adding a passkey or security key as a backup. However, locked accounts will not be able to authorize new apps or create new PATs until they've enabled 2FA. ![]() Enabling 2FA will not revoke or change the behavior of tokens issued for your account. These tokens include personal access tokens and OAuth tokens issued to applications to act on your behalf. If you fail to enable mandatory 2FA, tokens that belong to your account will continue to function since they are used in critical automation. If you attempt to access, you will be prompted to enable 2FA. If you do not enable 2FA within the 45 day setup period, and you allow the 7 day grace period to expire, you will not be able to access until you enable 2FA. Mandatory 2FA enablement only applies to users with a password on. Note: GitHub Enterprise Managed Users and on-premise GitHub Enterprise Server users are not required to enable 2FA. GitHub is continually assessing improvements to our account security features and 2FA requirements, so these criteria may change over time. Being an organization owner for an organization containing repositories or other users.Being an administrator of a high-importance repository.Contributing to specific high-importance repositories, such as the projects tracked by the Open Source Security Foundation.Creating a release for your repository.Publishing an app or action for others.Your account is selected for mandatory 2FA if you have taken some action on GitHub that shows you are a contributor. If you don't receive a notification, then you are not part of a group required to enable 2FA, though we strongly recommend it. If you are in an eligible group, you will receive a notification email when that group is selected for enrollment, marking the beginning of a 45-day 2FA enrollment period, and you will see banners asking you to enroll in 2FA on. Starting in March 2023 and through the end of 2023, GitHub will gradually begin to require all users who contribute code on to enable one or more forms of two-factor authentication (2FA).
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