Dr Nalin Asanka Gamagedara Arachchilage is a Senior Research Fellow in Cyber Security within the Department of Computer Science and Information Technology at La Trobe University, Australia, where he currently leads the Usable Security Engineering Research Laboratory (USERLab) in the Optus La Trobe Cybersecurity Research Hub. Previously, he was a Lecturer in Cyber Security in the School of Engineering and Information Technology of the University of New South Wales at the Australian Defence Force Academy (ADFA), where he led the Usable Security research group. He holds a Ph.D. in Computer Science (Usable Security) entitled “Security Awareness of Computer Users: A Game-Based Learning Approach” from Brunel University London, the UK where he developed a game design framework to protect computer users against “phishing attacks”. His work has been recognised by the international community and he won the best paper-award for investigating why developers cannot embed privacy into software systems in the 22nd International Conference on Evaluation and Assessment in Software Engineering 2018, ACM (EASE'18) [CORE/ERA ranking - A]. Prior to undertaking his current position at UNSW Canberra, he worked as Research Fellow in Usable Security and Privacy in the Laboratory of Education and Research in Software Security Engineering (LERSSE) at the University of British Columbia (UBC), Canada. Before moving to Vancouver, he was a Postdoctoral Researcher in Systems Security Engineering in the Cyber Security Centre, Department of Computer Science at Oxford University. Nalin worked on a number of academic positions in Computer Science at Brunel University, University of Bedfordshire, Westminster University and Central Bedfordshire College in the UK, Deakin University, Victoria University and Central Queensland University (CQUniversity) in Melbourne, Australia. Nalin has presented his research at Facebook Headquarters, Menlo Park, California, USA and collaborated with HP in a research capacity at the HP Lab, Bristol, UK. His research has been featured in numerous media outlets including ABC News Radio, SYN Radio 90.7 FM, Sky News Australia, Daily show on Radio 2SER 107.3, Choice - Australia, Guardian labs (sponsored by Intel Corporation, Australia) and UNSW TV. He has been an invited speaker for conferences both nationally and internationally. He is a professional member of the Institute of Electrical and Electronics Engineers (IEEE) and Association for Computing Machinery (ACM).