Security and privacy issues in cloud computing / Jaydip Sen -- Towards a certified electronic mail system / Gerard Draper-Gil, Josep-Lluís Ferrer-Gomila, M. Francisca Hinarejos, Arne Tauber -- Mobile IPv6: mobility management and security aspects / Tayo Arulogun, Ahmad AlSa'deh, Christoph Meinel -- A new encryption algorithm based on chaotic map for wireless sensor network / Ghada Zaibi, Fabrice Peyrard, Abdennaceur Kachouri, Danièle Fournier-Prunaret, Mounir Samet -- A polling booth-based electronic voting scheme / Md. Abdul Based -- Challenges and solutions for DNS security in IPv6 / Hosnieh Rafiee, Martin von Löwis, Christoph Meinel -- Host-based intrusion detection systems: architectures, solutions, and challenges / Vít Bukac, Vashek Matyáš -- Enhancing intrusion detection systems using intelligent false alarm filter: selecting the best machine learning algorithm / Yuxin Meng, Lam-For Kwok -- Towards building efficient malware detection engines using hybrid CPU/GPU-accelerated approaches / Ciprian Pungila, Viorel Negru -- A mobile-based attribute aggregation architecture for user-centric identity management / Alexandre B. Augusto, Manuel E. Correia -- The Austrian identity ecosystem: an e-government experience / Klaus Stranacher, Arne Tauber, Thomas Zefferer, Bernd Zwattendorfer -- Developing secure, unified, multi-device, and multi-domain platforms: a case study from the Webinos Project / Andrea Atzeni, John Lyle, Shamal Faily -- Securing XML with role-based access control: case study in health care / Alberto De la Rosa Algarín, Steven A. Demurjian, Timoteus B. Ziminski, Yaira K. Rivera Sánchez, Robert Kuykendall.