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Bookmark or Share- What is two-factor authentication (2FA)? - IBMTwo-factor authentication (2FA) is an identity verification method in which users must supply two pieces of evidence, such as a password and a one-time passcode, to prove their identity and gain access to an online account or other sensitive resources.
- Use a security key for 2-Step Verification - Google HelpImportant: If you create a passkey on your security key, you’ll bypass the second authentication step, since this verifies that you have possession of your device. If you’d like to always use your password, you can change this default preference in your account settings .
- Fix common issues with 2-Step Verification - Google HelpMy phone was lost or stolen We recommend you: Sign out of the lost or stolen phone. Change your Google Account password.
- Protecting your personal info with 2-Step VerificationWith a passkey, you can sign in to your Google Account with your fingerprint, face scan, or phone screen lock, like a PIN. Signing in with a passkey bypasses your second authentication step, since this verifies that you have possession of your device. You won’t need to sign in more often than you do now.
- What is Multi-Factor Authentication? - IBMIn an MFA security system, users need at least two pieces of evidence, called "authentication factors," to prove their identities. Say a user is logging into their employer's corporate network, which is protected by an MFA solution. The system would ask for the first authentication factor, typically a username and password combination.
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