I've Got Your Number: - Harvesting Users' Personal Data via Contacts Sync for the KakaoTalk Messenger. - Eunhyun Kim; Kyungwon Park; Hyoungshick Kim; Jaeseung Song (WISA, 2014)

Design and analysis of enumeration attacks on finding friends with phone numbers: A case study with KakaoTalk. - Eunhyun Kim; Kyungwon Park; Hyoungshick Kim; Jaeseung Song (Comput. Secur., 2015)

Threat Assessment in the Cloud Environment: A Quantitative Approach for Security Pattern Selection. - Priya Anand; Jungwoo Ryoo; Hyoungshick Kim; Eunhyun Kim (IMCOM, 2016)

FDCR: A Full-Duplex Collision Resolution Scheme for Next-Generation Wireless LANs. - Hyeongwoo Jo; Hyeongtae Ahn; Eunhyun Kim; Young-Joo Suh (IEEE Commun. Lett., 2021)