Lorena González-Manzano

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Nowadays, both the amount of cyberattacks and their sophistication have considerably increased, and their prevention is of concern of most of organizations. Cooperation by means of information sharing is a promising strategy to address this problem, but unfortunately it poses many challenges. Indeed, looking for a win-win environment is not straightforward(More)
An interconnected world is what current technologies look for, being Web Based Social Networks (WBSNs) a promising development in this regard. Four desirable WBSN features are identified, namely, interoperability, reusability, protection against WBSNs providers and indirect relationships. A protocol, called U+F, addressed interoperability and reusability of(More)
In the era of hyper-connectivity Web-Based Social Networks (WBSNs) are demanding applications. They facilitate the interaction of huge amounts of users and the development of appropriate Access Control Models (ACMs) is an arising necessity. Particularly, the development of WBSNs ACMs with expressive power and capable of managing access control along the(More)
Cloud computing (CC) has gained much popularity. Large amounts of data, many of them personal, are consumed by CC services. Yet, data security and, derived from that, privacy are topics that are not satisfyingly covered. Especially usage control and data leakage prevention are open problems. We propose the development of a trusted Platform as a Service CC(More)