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Google Authenticator is a software-based authenticator by Google. It implements multi-factor authentication services using the time-based one-time password (TOTP; specified in RFC 6238) and HMAC-based one-time password (HOTP; specified in RFC 4226), for authenticating users of software applications.
6. Scan the QR code using your authenticator app. 7. Click Continue. 8. Enter the code shown in your authenticator app. 9. Click Done. Sign in with 2-step for authenticator app. 1. Sign in to your AOL account with your password. 2. Enter the verification code shown in your authenticator app. 3. Click Verify.
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. This prevents anyone who doesn't have your security key device from gaining access to your account.
privacyIDEA Authenticator [22] For use with privacyIDEA Authentication Server, with a secure enrollment process. No No No No Yes Yes No No Yes Yes Yes No Unknown andOTP [23] (unmaintained) [24] Open-source app for Android 4.4+. Compatible with Google Authenticator. No No No No No Yes No No No No Yes No No Invantive Authenticator [25]
Hardware authentication security keys. 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.
If there's something unusual about your sign in or recent activity, we'll ask you to go through another verification step after you've entered the correct password. This is an important security feature that helps to protect your account from unauthorized access.
Click "Enable", and log in with your username and password. Click the + button at the top-left of Authenticator. Add the secret 2FA key to Authenticator using either one of these methods: Use Authenticator to take a screenshot of the QR code: Click the QR code button at the top-right of Authenticator.
Passcode (TOTP) - One-time password compliant with the RFC 6238 [3] standard generated by a mobile application, e.g., Rublon Authenticator, Google Authenticator or Microsoft Authenticator SMS Passcode - One-time passcode sent as a text message to the user's phone number