As smartphone penetration saturates, we are witnessing a new trend in personal mobile
devices-wearable mobile devices or simply wearables as it is often called. Wearables come …

Smart device industry allows developers and designers to embed different sensors,
processors, and memories in small‐size electronic devices. Sensors are added to enhance …

Gait is a biometric trait that can allow user authentication, though it is classified as a “soft”
one due to a certain lack in permanence and to sensibility to specific conditions. The earliest …

Pattern lock-based authentication has been widely adopted in modern smartphones.
However, this scheme relies essentially on passwords, making it vulnerable to various side …

The ever-growing threats of security and privacy loss from unauthorized access to mobile
devices have led to the development of various biometric authentication methods for easier …

User authentication is key in user authorization on smart and personal devices. Over the
years, several authentication mechanisms have been proposed: these also include …

The shortcomings of conventional access control systems for high‐security environments
have led to the concert of continuous authentication. Contrary to traditional verification, in …

Sensors provide the foundation of many smart applications and cyber–physical systems by
measuring and processing information upon which applications can make intelligent …

Handwritten signature verification has become one of the most important document
authentication methods that are widely used in the financial, legal, and administrative …

The Internet of Things is a rapidly growing paradigm for smart cities that provides a way of
communication, identification, and sensing capabilities among physically distributed …