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What is 2FA (Two Factor Authentication)?

Tyler Adams, Published on May 4, 2018

Two Factor Authentication, also known as 2FA, two-step verification or TFA (as an acronym), is an extra layer of security that is known as “multi-factor authentication” that requires not only sign in credentials (email/password) but also something that only, and only, that user has on them, i.e. a piece of information only they should know or have immediately to hand – such as a physical token.


    Tyler Adams

    Co-Founder. Product Manager. Design Enthusiast. Amazing Racer.

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