The European Conference on Computer and Network Defense draws contributions and participation both from academia and industry, and addresses security from multiple perspectives, including state-of-the-art research in computer network security, intrusion detection, denial-of-service, privacy protection, security policies, and incident response and management. The conference is organized jointly by the Institute of Computer Science of the Foundation for Research and Technology ? Hellas (FORTH) and the European Network and Information Security Agency (ENISA).