Authentication and authorization are critical security layers to protect a wide range of online
systems, services and content. However, the increased prevalence of wearable and mobile …

Modern approaches towards the understanding of the behaviour of systems and policies
have recently been driven by the abundance of open and non-open data moving away from …

Access control (AC) refers to mechanisms and policies that restrict access to resources, thus
regulating access to physical or virtual resources of an information system. AC approaches …

Our vision is to achieve societally responsible secure and trustworthy cyberspace that puts
algorithmic and technological checks and balances on the indiscriminate sharing and …

Cloud computing is one of the most trending technologies of today. Most of the resources we
use on an everyday basis are stored online as cloud storage. Our files, which have sensitive …

On the one hand, an access control mechanism must make a conclusive decision for a given
access request. On the other hand, such a mechanism usually relies on one or several …

Many organisations do not perform risk management in their systems development projects;
hence many projects tend to be like uninsured assets. Since the massive increase in …

The Internet of Things (IoT) has opened a new chapter in data access. It has brought
obvious opportunities as well as major security and privacy challenges. Access control is …

The considerable increase of the risk associated to inner threats has motivated researches
in risk assessment for access control systems. Two main approaches were adapted:(i) a risk …