Joachim Lüken is with the research division at Nokia Siemens Networks. He has more than 25 years’ experience in telecommunications covering software development in digital public-switched telephone network switches to systems engineering for ATM and IP-based products. Joachim was also an active member in standardization bodies such as ITU-T, ETSI, DVB and BBF and supported standardization work in the area of PSTN signaling as well as in IP protocols. Currently Joachim is responsible for security aspects of web application and cloud computing solutions within Nokia Siemens Networks.