Michel Riguidel is the Head of the Department of Computer Science and Networks, at Telecom ParisTech (Ecole Nationale Supérieure des Télécommunications, www.telecomparistech.fr ) in Paris, where he lectures in security and advanced networks. His research is oriented towards security of large Information Systems and Networks andarchitecture of communication systems (grids, Future Internet, mobile networks). He created the first ITSEC E4 Firewall and has been developing watermarking technology since the early days. He has headed-up many R&D Projects in security: watermarking, formal methods, critical infrastructure protection. Currently, he is working on the security of the future Internet, security of large heterogeneous and mobile systems within Ambient Intelligence and Quantum Networks.