Traditional one-time user authentication processes might cause friction and unfavorable
user experience in many widely-used applications. This is a severe problem in particular for …

Mobile devices are promising to apply two-factor authentication in order to improve system
security and enhance user privacy-preserving. Existing solutions usually have certain limits …

The security of private information is becoming the bedrock of an increasingly digitized
society. While the users are flooded with passwords and PINs, these goldstandard explicit …

In the Internet-of-Things (IoT) era, user authentication is essential to ensure the security of
connected devices and the customization of passive services. However, conventional …

In this paper, we propose a system that enables photoplethysmogram (PPG)-based
authentication by using a smartphone camera. PPG signals are obtained by recording a …

With the advancement of technologies, market wearables are becoming increasingly
popular with a range of services, including providing access to bank accounts, accessing …

Day-by-day wearable devices, such as smartwatches, are getting popular with their wide
range of services, including allowing financial transactions, unlocking cars, tracking health …

One-time login process in conventional authentication systems does not guarantee that the
identified user is the actual user throughout the session. However, it is necessary to re-verify …

As market wearables are becoming popular with a range of services, including making
financial transactions, accessing cars, etc. that they provide based on various private …

In recent years, biometrics (eg, fingerprint or face recognition) has replaced traditional
passwords and PINs as a widely used method for user authentication, particularly in …