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Add an extra security step to sign into your account with 2-step verification. Find out how to turn on 2-step verification and receive a verification code, and how to turn off 2-step verification if you need to.
Two-factor authentication (2FA) is a method of adding additional security to your account. The first "factor" is your usual password that is standard for any account.
Multi-factor authentication (MFA; two-factor authentication, or 2FA, along with similar terms) is an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism.
First YubiKey USB token of the FIDO standard in 2014. The YubiKey is a hardware authentication device manufactured by Yubico to protect access to computers, networks, and online services that supports one-time passwords (OTP), public-key cryptography, authentication, and the Universal 2nd Factor (U2F) and FIDO2 protocols [1] developed by the FIDO Alliance.
Keeping your account safe is important to us. If you think someone is trying to access or take over your account, there are some important steps you need to take to secure your information.
A security key is a physical device that gets uniquely associated with your AOL account after you enable it. Each time you sign in with your password, you'll be prompted to approve access to your account using your key.
Token codes are easily stolen, because no mutual-authentication exists (anything that can steal a password can also steal a token code). This is significant, since it is the principal threat most users believe they are solving with this technology.
Universal 2nd Factor (U2F) is an open standard that strengthens and simplifies two-factor authentication (2FA) using specialized Universal Serial Bus (USB) or near-field communication (NFC) devices based on similar security technology found in smart cards.