Ravishankar Borgaonkar works as a senior research scientist at SINTEF Digital and Associate Professor II at the University of Stavanger in Norway. He holds a PhD in telecommunication security area from Technischen Universität Berlin (TU Berlin, 2013). In 2007, he received an Erasmus Mundus award from the European Union and completed a dual master's degree from the Royal Institute of Technology (Sweden) and Aalto University (previously TKK) in 2009. His primary research themes are related to mobile telecommunication networks and security threats for the next generation of digital communication, ranging from 2G/3G/4G/5G network security to end-user device security. At SINTEF currently, he researches on securing critical digital infrastructure (such as smart grid/Maritime/healthcare/public-safety communication) and 5G network-enabled business verticals. He has extensive experience in a cellular network and information security domain at Deutsche Telekom's lab (Germany), TU Berlin (Germany), Intel Collaborative Research Institute for Secure Computing at Aalto University (Finland), and University of Oxford (United Kingdom). He has found several protocol flaws in 3G/4G/5G technologies (affecting billions of devices) and assisted in improving 4G/5G security standards. Also, he is a frequent speaker at several leading security (hacking/academic) conferences and is listed in the Hall of Fame of Google, Qualcomm, Huawei, and GSMA.