Shijing (Edward) He is a Ph.D. candidate in Computer Science at King’s College London (KCL), affiliated with the Cybersecurity Group (CYS) in the Department of Informatics. Supervised by Dr. Ruba Abu-Salma, Professor Jose Such. His research lies at the intersection of human-centered usable security and privacy, and HCI. Drawing on both computational and social science methods, his work examines how individuals and groups, particularly at-risk populations, to understand, negotiate, and manage security and privacy risks in everyday technologies. His research focuses in particular on multi-user smart home environments and AI-mediated contexts, with the goal of designing equitable and trustworthy systems that better support informed security and privacy decision-making.