Yeonkeun received his BS in Computer Science Engineering at Ulsan National Institute of Science and Technology(UNIST) in 2014. Also, He received M.S degree in information security at KAIST in 2016. He joined NSS laboratory in April 2014. He is interested in network security issues of IoT and embedding systems, and he wants to solve them with SDN. He also may show interest in resolving forensic issues with SDN. Currently, his research topic is a developing SDN-based security framework for IoT environment, and he collaborates with Taejune in studying SDN/NFV-based network security module.