Kasun obtained his BSc in Computer Science from University of Colombo, Sri Lanka in 1998. He won the Best Computer Science Student of the Year award form the University of Colombo for his performance during his undergraduate studies.
In 1999, he won Sida/SAREC scholarship and came to the Sweden to pursue his Ph.D. in the area of computer security. During his graduate studies in Sweden he served the Department of Computer and System Science at Stockholm University. He obtained his Ph.D. in the area of Computer Security from Stockholm University in 2003.
After a brief period of post-doctoral work at the George Washington University, USA, he joined the faculty of University of Colombo School of Computing (UCSC), Sri Lanka in 2003. At present he works as a senior lecturer at UCSC, advisor for forensic investigation unit attached to UCSC and academic coordinator of Master of Science in Information Security Program at UCSC.
Dr. Kasun De Zoysa involved in various Technical Evaluation Committee (TEC) at government and private organizations such as Ministry of Defence, Sri Lanka Police Service, Department of Immigration, Sri Lanka Postal Department, Central Bank of Sri Lanka, National Savings Bank (NSB), Seylan Bank Ltd., Sri Lanka Savings Bank and Ceylon Petroleum Storage Terminals Limited (CPSTL), as the capacity of Chairperson and Consultant since 2003.
At present he is a member of the Institute of Electrical and Electronics Engineers (IEEE), Computer Society of Sri Lanka (CSSL), Internet Society (ISOC) and Information System Security Association (ISSA) and also serves in the committees of these organizations.
His research interests include secure multi-party electronic transactions and document protection, public key cryptography and certification infrastructures, hardware security tokens and devices, web security and privacy, security in wireless ad-hoc and sensor networks, digital forensic and Information and Communication Technology for Development (ICT4D).
He has contributed over fifteen (15) international research and development projects funded by various funding agencies such as National Research Council of Sri Lanka (NRC), The Swedish International Development Cooperation (Sida) and Internet Society (ISOC). He has published over 40 research papers in international conferences in the area of information security and sensor networks.
In addition, he delivered over 50 workshops and seminars in the area of information security and sensor network for the industry/academic in his expertise since 2003.