Existing Access Control Systems are rigid and complex in large-scale organizations. Risk-
Adaptive Access Control provides a dynamic solution. This research proposes an artificial …

Abstract In many Internet of Thing application domains security is a critical requirement,
because malicious parties can undermine the effectiveness of IoT-based systems by …

Nowadays, the domain of Information System (IS) security is closely related to that of Risk
Management (RM). As an immediate consequence, talking about and tackling the security of …

Applications of the Internet-of-Things (IoT) in healthcare have a great potential since they
bring, in a cost effective manner, supreme solutions to large scale medicalcare. The Internet …

A security enforcement mechanism runs in parallel with a system to check and modify its run-
time behaviour, so that it satisfies some security policy. For each policy, several enforcement …

With the continuous growth of data and its complexity, advanced requirements have to be
considered to protect resources and private information against unauthorized disclosure …

This paper generalizes traditional models of security policies, from specifications of whether
programs are secure, to specifications of how secure programs are. This is a generalization …

Weaknesses in password-based authentication have always shaken password security,
especially with the rise of data breaches. Credential stuffing and password spraying attacks …

Nowadays, the access control is becoming increasingly important for open, ubiquitous and
critical systems. Nonetheless, efficient Administration, Management, Safety analysis and …

Web-based collaboration provides a platform which allows users from different domains to
share and access information. In such an environment, mitigating threats from insider attacks …