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Learn how to turn off 2-step verification and receive a verification code to sign into your AOL account. You can use phone verification or authenticator app verification to add an extra security step.
An open-source PHP web based self-hosted OTP generator, designed for both mobile and desktop. Yes, web based No No Yes Yes Yes No Yes totp-cli [31] Popular, feature rich open-source two-factor authenticator. No account required. Manually No Yes Yes No No No No Unknown Unknown Unknown Unknown Unknown Open Authenticator [32]
Google Authenticator is a software app that generates one-time passwords for multi-factor authentication. It uses a shared secret key provided by the service provider and a time-based or counter-based algorithm to calculate the password.
Multi-factor authentication (MFA) is an electronic authentication method that requires users to present two or more pieces of evidence to access a website or application. MFA protects personal data from unauthorized access and uses factors such as something the user has, knows, or is.
Universal 2nd Factor (U2F) is an open standard for two-factor authentication using USB or NFC devices. Learn about its advantages, disadvantages, design, vulnerabilities, and support and use on various online services and browsers.
RSA SecurID is a product by RSA that generates one-time passwords for network access. It uses a token with a built-in clock and a seed key, and requires a PIN or a ...
A security token is a device used to access electronically restricted resources, such as online banking or software dongles. Learn about different types of tokens, such as disconnected, connected, smart cards, and challenge-response tokens, and how they work.
Learn about HOTP, a one-time password algorithm based on HMAC, used for authentication and open standard. Find out how it works, its parameters, tokens, and reception.