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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.
Use 2-step with authenticator app verification. Authenticator apps provide secure verification codes that act as the second step in 2-step verification. After entering your password, you'll need to enter the code generated by your authenticator app to sign in. Download an authenticator app from the Google Play Store or App Store.
If you are looking for a third-party authentication app, we recommend checking out Google Authenticator, LastPass Authenticator, Microsoft Authenticator, and Twilio Authy. A Two-Factor ...
Open-source app for Android 4.4+. Compatible with Google Authenticator. Focuses on integration with Invantive Keychain. Cross-platform OTP for mobile devices with support for online backup. Web-based authenticator not requiring registration. By Yubico, for use with Yubikeys. Popular, feature rich open-source two-factor authenticator.
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. MFA protects personal data —which may ...
When you get your Security Key back or get a new key, you can re-enable 2-Step Verification in your. Still need help? Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. A security key is a physical device that gets uniquely associated with your AOL account after you enable it.
Authenticator. An authenticator is a means used to confirm a user's identity, [1][2] that is, to perform digital authentication. A person authenticates to a computer system or application by demonstrating that he or she has possession and control of an authenticator. [3][4] In the simplest case, the authenticator is a common password.
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. The second "factor" is a verification code retrieved from an app on a mobile device or computer. 2FA is conceptually similar to a security token device that banks in some ...