Distributed Security Network Functions against Botnet Attacks in Software-defined Networks. - Younghee Park; Nikhil Vijayakumar Kengalahalli; Sang-Yoon Chang (NFV-SDN, 2018)

Query-Crafting DoS Threats Against Internet DNS. - Sang-Yoon Chang; Younghee Park; Nikhil Vijayakumar Kengalahalli; Xiaobo Zhou 002 (CNS, 2020)