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Yoohwan Kim received his Ph.D. degree from Case Western Reserve University in 2003 in the area of network security (DDoS attack mitigation). His past research includes SCADA system protection, avionics system security, network authentication, security log analysis, secure routing schemes, satellite communication security, and blockchain applications. His research on DDoS attacks has established a foundation for Rate-Based Intrusion Prevention Systems and has been cited over 500 times collectively. He has published more than 120 scientific articles and has 7 patents granted or pending. His research has been sponsored by Microsoft Research, US Air Force, Naval Air Warfare Center, Oak Ridge National Laboratory, NSA, NASA, National Security Technologies, and National Science Foundation.

Before joining 51³Ô¹ÏºÚÁÏ in 2004, he has had a broad experience in IT industry as a management information system consultant at Andersen Consulting (now Accenture), database programmer at Cleveland Clinic Foundation, and a Member of Technical Staff at Bell Laboratories. He also co-founded a start-up company that developed a technology for interstitial multimedia advertising over the Internet. He was a visiting researcher at Oak Ridge National Laboratory in 2011 and a Summer Faculty Research Fellow at the Air Force Research Lab in 2017, 2018, and 2019 working on satellite communications. He holds multiple industrial certifications in cybersecurity (CISSP, CEH, CISA, CPT) and has been teaching CEH (Certified Ethical Hacker) classes as a certified CEH instructor with hands-on skills. He frequently offers public lectures and training sessions to regional cybersecurity community.