Modern electronic devices have become “smart” as well as omnipresent in our day-to-day
lives. From small household devices to large industrial machines, smart devices have …

Compared to other biometrics, gait is difficult to conceal and has the advantage of being
unobtrusive. Inertial sensors, such as accelerometers and gyroscopes, are often used to …

Face authentication usually utilizes deep learning models to verify users with high accuracy.
However, it is vulnerable to various attacks that cheat the models by manipulating the digital …

PIN authentication is widely used on mobile devices due to its usability and simplicity.
However, it is known to be susceptible to shoulder surfing attacks, where an adversary spies …

The use of voice-control technology has become mainstream and is growing worldwide.
While voice assistants provide convenience through automation and control of home …

Voice authentication has been increasingly adopted for sensitive operations on mobile
devices. While voice biometrics can distinguish individuals by their spectral features (such …

Mobile two-factor authentication (TFA), which uses mobile devices as a second security
layer of protection to online accounts, has been widely applied with the proliferation of …

Existing research work has identified a new class of attacks that can eavesdrop on the
keystrokes in a non-invasive way without infecting the target computer to install malware …

Android allows apps to communicate with its system services via system service helpers so
that these apps can use various functions provided by the system services. Meanwhile, the …

Pattern lock is widely used for user authentication in mobile devices due to its simplicity and
ease of remembering. However, it is vulnerable to various attacks, eg, shoulder surfing …