The 4th Northeast Asian Forum for Criminal Justice was held on July 11~12, 2016 in Jeju Island. This year's main discussion themes focused on the current issues on cybercrime and counterterrorism in Northeast Asia. Professors from Law Schools of Yanbian University, Jilin University, Liaoning University and Heilongjiang University and researchers of KIC and Jeju University Law School gave presentations and shared ideas to suggest effective criminal justice measures against terrorism in Northeast Asia.