Cyberspace-Oriented Access Control: A Cyberspace Characteristics based Model and its Policies

With wide development of various information technologies, our daily activities are becoming deeply dependent on cyberspace. People often use handheld devices (e.g., mobile phones or laptops) to publish social messages, facilitate remote e-health diagnosis, or monitor a variety of surveillance. However, security insurance for these activities remains as a significant challenge. Representation of s...