Abstract In this paper, we apply relating semantics to the widely discussed problem of free choice between permitted actions or situations in normative systems. Leaving aside contexts which principle is obviously unacceptable (weak permission understood as an absence prohibition) uncontroversially valid (strong within systems with a closed repertoire situations), concentrate on for explicit per...

Permission-induced attacks, i.e., security breaches enabled by permission misuse, are among the most critical and frequent issues threatening the security of Android devices. By ignoring the temporal aspects of an attack during the analysis and enforcement, the state-of-the-art approaches aimed at protecting the users against such attacks are prone to have low-coverage in detection and highdisr...

Arjmand Samuel, Hammad Haseeb, Arif Ghafoor and Elisa Bertino Abstract Cyber Physical Systems (CPS) are complex systems that operate in a dynamic environment where security characteristics of contexts are unique, and uniform access to secure resources anywhere anytime to mobile entities poses daunting challenges. To capture context parameters such as location and time in an access control polic...