Da-Eun Yu 

• Communication security

• Deep learning based network security

• Quantum network

• [KCI] Da-Eun Yu, Seung-Ha Jee, Il-Gu Lee, "A Link-State-Based Intelligent Hybrid Transmission Scheme for Low Earth Orbit Satellite Communications," Journal of The Korea Institute of Information Security & Intelligence Cybersecurity, 2025 

• [Domestic] Da-Eun Yu, Seung-Ha Jee, Il-Gu Lee, "Hybrid Machine Learning-based Detection and Mitigation Techniques for Denial-of-Service and Ransomware Attack," Annual Symposium of KIPS 2025, Kyungpook National Unvi., Korea, May. 2025.

유다은, 지승하, 이일구, "하이브리드 머신러닝 기반의 서비스거부공격과 램선웨어 탐지 및 대응 기법"

•  [International] Da-Eun Yu, Seung-Ha Jee, Il-Gu Lee, "Integrated Detection and Response Framework for DDoS and Ransomware Attacks," The 26th World Conference on Information Security Applications(WISA), Jeju Island, Korea, Aug. 2025 (Poster) 

•  [Domestic] Da-Eun Yu, Seung-Ha Jee, Il-Gu Lee, "Optimized LEO Satellite Communication Based on Link-State Awareness," The 2025 Korea Institute of Convergence Security(KICS) Conference, Seongnam, Korea Nov, 2025 

유다은, 지승하, 이일구, "링크 상태 정보를 활용한 저궤도 위성 통신 최적화 기법"

•  [International] Da-Eun Yu, Seung-Ha Jee, Il-Gu Lee, "Dynamic Link-State-Based Hybrid Communication Scheme for Low Earth Orbit Satellite Networks "The 9th International Conference on Mobile Internet Security(MobiSec), Sappro, Japan, Dec, 2025 (Poster) 

• The special career growth seminar hosted by Naver Cloud, Dec, 2024 

• The [TTA] Software Testing(SW Testing&Process) for Aspiring Developers program organized by Korea Telecommunication Technology Association, Dec, 2024 

• The [TTA] Software Testing(Static Testing) for Aspiring Developers program organized by Korea Telecommunication Technology Association, Feb, 2025 

•  The [TTA] Software Testing(Dynamic Testing) for Aspiring Developers program organized by Korea Telecommunication Technology Association, Feb, 2025 

• The[TTA] ICT Standard Expert Training – Basic Course on AI International Standardization by Korea Telecommunication Technology Association, Jun, 2025 

• The[TTA] ICT Standards Specialist Training-Basic Course on IoT International Standardization by Korea Telecommunication Technology Association, Aug, 2025 

• The[TTA] ICT Standards Expert TrainingFundamentals of International Standardization for Autonomous Driving and Urban Air Mobility(UAM) by Korea Telecommunication Technology Association, Aug, 2025 

• The[TTA] ICT Standards Expert TrainingFundamentals of International Standardization for Next-Generation Security and Blockchain by Korea Telecommunication Technology Association, Aug, 2025 

• The[TTA] ICT Standards Expert TrainingFundamentals for International Standardization for Quantum Information Technology by Korea Telecommunication Technology Association, Aug, 2025 

• National Technical Qualification SQL Developer by Korea Data Agency, Dec, 2024 

• Nationally Certified Software Testing Specialist(CSTS) Foundation Level by Korea Telecommunication Technology, Feb, 2025 

•  Data Labeler Level 1 by Korea Information Management Association(KIMA), Apr, 2025 

•  Information Security Administrator Level 1 by Korea Information Management Association(KIMA), Apr, 2025 

• Big Data Specialist Level 1 by Korea Information Management Association(KIMA), Apr, 2025 

•  National Technical Qualification Craftsman Information Processing By Human Resource Development Service of Korea[HRD], Apr, 2025 

•  National Technical Qualification ADSP by Korea Data Agency, Sep, 2025