Design of Hybrid Network Discovery Module for Detecting Client Applications and ActiveX Controls. - KyoungHee Ko; Pilyong Kang; Wontae Sim (ICCSA (2), 2007)

A Study on Structure for Monitoring and Detecting VoIP Abnormal Traffic. - Chang-Yong Lee; Hwankuk Kim; KyoungHee Ko; JeongWook Kim; Hyun-Cheol Jeong (FGCN (2), 2008)

Design and implementation of SIP-aware DDoS attack detection system. - Do-Yoon Ha; Hwankuk Kim; KyoungHee Ko; Chang-Yong Lee; JeongWook Kim; Hyun-Cheol Jeong (ICIS, 2009)

Design and Implementation of SIP-aware Security Management System. - KyoungHee Ko; Hwankuk Kim; JeongWook Kim; Chang-Yong Lee; Soo-Gil Cha; Hyun-Cheol Jeong (WISA, 2009)