Preface. Introduction. Network Security. WLAN. Mobile Phones. Bluetooth. Infra Red. Near Field Communication. Security Policy. Emergency Management in Communication Networks.

Wolfgang Osterhage was born in Hoerstel in 1948, brought up in Rheine, North-Rhine-Westfalia, Germany. He is married, with three adult children, and has been living in Wachtberg-Niederbachem near Bonn since 1989. He has a PhD in Physics and Information Technology and is the founder and owner of “numeric tech”, a consulting company specializing in IT-quality, IT-security, data migration, performance and scientific calculations. He is currently an associate lecturer at the Johann Wolfgang Goethe University, Frankfurt/Main, Germany and is the Co-Editor of Windows Kompendium, WEKA Publishing Company,in Kissing, Germany and Open Journal of Communications and Software, Scientific Online Publishing.