His areas of interest include Cyber Security, in particular, Network Security, host- and network- intrusion detection systems, statistics, deep learning, and machine learning techniques. He is interested in designing and developing threat detection and forensic mechanisms to the Industry 4.0 technology for identifying malicious activities from cloud computing, fog computing, IoT and industrial control systems over virtual machines and physical systems. He leads the Intelligent Security Theme at UNSW Canberra Cyber which focuses on developing novel artificial intelligence models for protecting smart systems against cyber threat attacks. He has successfully led 8 research grants with a research income of over $2.1 million. He has been awarded the 2020 prestigious Australian Spitfire Memorial Defence Fellowship award. He is also an ACM Distiguished Speaker and IEEE Senior member. He has published more than 75 research outputs in top-tier computing and security journals and conferences, such as IEEE Transactions on forensics and Security, IEEE IoT, and IEEE Transactions on Industrial Informatics. He has served his academic community, as the guest associate editor of IEEE transactions journals, including IEEE Transactions on Industrial Informatics, IEEE IoT Journal, as well as the journals of Ad Hoc networks, IEEE Access, Future Internet and Information Security Journal: A Global Perspective. He has also served over seven conferences in leadership roles, involving vice-chair, session chair, Technical Program Committee (TPC) member and proceedings chair, including 2020IEEE TrustCom and 2020 32nd Australasian Joint Conference on Artificial Intelligence.