The process of authentication for location-aware services is more challenging over the
Internet of Things (IoT) than before due to a number of inherent IoT characteristics like …

In conventional database, the most popular access control model specifies policies explicitly
for each role of every user against each data object manually. Nowadays, in large-scale …

In this paper we present a Risk Management System. The goal of the RMS is to decrease
risks related to information access. The goal is met by taking the context of operations into …

En primer lugar, me gustaría agradecer a mis directores de tesis, Marta e Isaac, sin vuestra
confianza este trabajo no hubiese sido posible. Habéis sido fuentes de inspiración y me …

Business organizations widely accepting cloud computing to handle their complex business
process and increased business transactions. Organizations IT infrastructure and IT …

This thesis proposes an Ecosystem perspective for the engineering of SoS and CPS and
illustrates the impact of this perspective in three areas of contribution category First, from a …

The fusion of pervasive internet connectivity and emerging technologies in smart cities
creates fragile cyber-physical-natural ecosystems. Industrial Control Systems (ICS) are …

Risikobasierte Authentifizierung (RBA) ist eine adaptive Sicherheitsmaßnahme zur Stärkung
passwortbasierter Authentifizierung. Sie zeichnet Merkmale während des Logins auf und …

A number of studies extended access control policies with constraints, aiming at the
restriction of mobile users' access to appropriate authorized areas. Recent research …