On June 26-28,  upon  the  invitation  of  the organizing committee,  Professor Cai Cuihong attended JEJU FORUM FOR PEACE & PROSPERITY 2018:  Reengineering Peace for Asia and presented a keynote speech entitled  China’s Cybersecurity Strategy:  Principles,  Practices  and  Challenges  as the guest speaker at the Session "Changing Aspects of Cyber Threats and the Relevant Responses".