Figure 1 gives a high-level overview of a generic Web 2FA authentication sequence. The difference between 2FA and single-factor authentication can be seen here.

This survey paper presents a comprehensive analysis of traditional authentication methods, highlighting key techniques, their integration in mobile systems, ...

Our framework allows for qualifying the missing factors by authenticating the user without disclosing sensitive biometric data to the verification entity.

May 21, 2021 · Abstract and Figures. Multi-factor Authentication (MFA) often referred to as Two-factor Authentication (2FA), which is a subset of MFA, ...

A factor in authentication is a way of confirming your identity when you try to sign in. For example, a password is one kind of factor, it's a thing you know.

These findings suggest a path towards 2FA mechanisms with considerably better user experience, promising to improve the acceptance and hence, the proliferation ...