The workshop looks for significant contributions to the Wireless & Mobile networks in theoretical and practical aspects. WiMoN-2009 addresses topics regarding integration of latest technologies to realize wireless, mobile and ubiquitous service environments for advanced applications and services. Original papers are invited on wireless & Mobile communications, Networks, protocols and wireless & Mobile security. The goal of this workshop is to bring together researchers and practitioners from academia and industry to focus on advanced Wireless & Mobile networking concepts and establishing new collaborations in these areas.