Dr Choy is a Senior Lecturer of the Department of Computer Science. She received her first degree from the City University of Hong Kong. Then, she studied at the University of Hong Kong, where she obtained the Postgraduate Diploma in Education. Dr Choy further pursued her Master of Science Degree in the City University of Hong Kong and the Doctor of Education (Specialized area: ICT) in the Education University of Hong Kong. Her research interests are online privacy and cyber ethics of teenagers.