Two-factor authentication provides an additional layer of protection to commonly-occurring
password breaches. However, existing TFA methods, often involve special hardware …

As text-based passwords continue to be the dominant form for user identification today,
services try to protect their costumers by offering enhanced, and more secure, technologies …

Password authentication has been made more secure by adding additional factors.
Unfortunately, popular two-factor authentication methods are vulnerable to attacks …

Two-factor authentication (2FA) systems provide another layer of protection to users'
accounts beyond password. Traditional hardware token based 2FA and software token …

Two-factor authentication (TFA), enabled by hardware tokens and personal devices, is
gaining momentum. The security of TFA schemes relies upon a human-memorable …

Two-factor authentication (2FA) defends against password compromise by a remote
attacker. We surveyed 4,275 students, faculty, and staff at Brigham Young University to …

Two-factor authentication (2F) aims to enhance resilience of password-based authentication
by requiring users to provide an additional authentication factor, eg, a code generated by a …

Two-factor authentication has been widely used due to the vulnerabilities associated with
traditional text-based password. One-time password (OTP) plays an indispensable role on …

We propose a two-factor authentication (2FA) mechanism called 2D-2FA to address security
and usability issues in existing methods. 2D-2FA has three distinguishing features: First …

SMS-based two-factor authentication (2FA) is the most widely deployed 2FA mechanism,
despite the fact that SMS messages are known to be vulnerable to rerouting attacks, and …