🔑 Two Factor Authentication
Systems for adding an extra layer of security through two-factor authentication.
The best Two Factor Authentication Products based on votes, our collection of reviews, verified products and a total of 579 factors.
Best Two Factor Authentication Products in 2025
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Google Authenticator is a multifactor app for mobile devices.
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Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
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Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.
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One app to quickly and securely verify your identity online, for all of your accounts.
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Azure Multi-Factor Authentication helps safeguard access to data and applications while meeting user demand for a simple sign-in process.
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Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...
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Auth0 is a program for people to get authentication and authorization services for their own business use.
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Enterprise-grade identity management for all your apps, users & devices
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Open source implementation of the two-factor authentication HOTP and TOTP schemes.
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Authenticator is a simple, free, and open source two-factor authentication app.
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LastPass is an online password manager and form filler that makes web browsing easier and more secure.
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DIGIPASS offers two-factor​ authentication solutions for mobile applications.
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The YubiKey is a one-time password device for secure login with two-factor authentication