Full Professor at the Instituto Superior Técnico of the University of Lisbon and senior researcher at INESC-ID. He has been involved in several research projects in the field of cybersecurity and privacy, among which the European projects MAFTIA, CRUTIAL, ReSIST, TCLOUDS, PCAS, SafeCloud, QualiChain and SPARTA stand out. His main interests are: blockchain and Byzantine consensus; cloud security and reliability; trusted computing; software security; mobile security and reliability; intrusion detection and big data analytics; and communications security.