PUBLICATION

[2025]

• [SCI, Q2] "Lightweight Multi-Class Autoencoder Model for Malicious Traffic Detection in Private 5G Networks", by Jinha Kim, Seungjoon Na, Hwankuk Kim, MDPI, applied sciences, 18 November 2025

• [SCI, Q1] "An AI/ML Framework-Driven Approach for Malicious Traffic Detection in Open RAN", by Suhyeon Lee, Hwankuk Kim, Tech Science, Computer Modeling in Engineering & Sciences, 26 November 2025

• [SCI, Q3] "Impact of Data Processing Techniques on AI Models for Attack-Based Imbalanced and Encrypted Traffic within IoT Environments", by Yeasul Kim, Chaeeun Won, Hwankuk Kim, Tech Science, Computers, Materials & Continua, 10 November 2025

• [SCI, Q1] "Ensemble Encoder-Based Attack Traffic Classification for Secure 5G Slicing Networks", by Min-Gyu Kim, Hwankuk Kim, Tech Science, Computer Modeling in Engineering & Sciences , 29 June 2025

[2024]

• [SCI, Q1] "Anomaly Detection in Imbalanced Encrypted Traffic with Few Packet Metadata-Based Feature Extraction", by Min-Gyu Kim, Hwankuk Kim, Tech Science, Computer Modeling in Engineering & Sciences, 28 August 2024

[2023]

• [SCI, Q3]  "A Model Training Method for DDoS Detection Using CTGAN under 5GC", by Yea-Sul Kim, Ye-Eun Kim, and Hwankuk Kim, Computer Systems Science and Engineering, Advances in Mobile Internet Security, 26 May 2023

[2022]

• [SCI, Q2] "Comparative Experiment on TTP Classification with Class Imbalance Using Oversampling from CTI Dataset", by Heajung Kim, Hwankuk Kim, Computer Systems Science and Engineering,  Communication Security in Socialnet-Oriented Cyber Spaces 2022, 12 October 2022

• [SCI, Q4] "Security of Zero Trust Networks in Cloud Computing A Comparative Review", by Sirshak Sarkar, Gaurav Choudhary, Shishir Kumar Shandilya, Azath Hussain, and Hwankuk Kim, MDPI, Journal of Internet Technology, Sustainability, 7 September 2022

• [SCI, Q2] "Effective Feature Selection Methods to Detect IoT DDoS Attack in 5G Core Network'', by Ye-Eun Kim, Yea-Sul Kim, and Hwankuk Kim, MDPI, Sensors, 18 May 2022

• [SCI, Q3] "Current Status and Security Trend of OSINT", by Yong Woon Hwang, Im-Yeong Lee, Hwankuk Kim, Hyejung Lee, and Donghyun Kim, Wireless Communications and Mobile Computing, 18 February 2022

• [SCI, Q3] "A Comparison Experiment of Binary Classification for Detecting the GTP Encapsulated IoT DDoS Traffics in 5G Network", by Yea-Sul Kim, Ye-Eun Kim, and Hwankuk Kim,  Security and Communication Networks, September 2022

• [SCI, Q3] "Autonomous and Asynchronous Triggered Agent Exploratory Path-planning Via a Terrain Clutter-index using Reinforcement Learning",  by Kim-Suk Kim, Hwankuk Kim, Journal of Information and Communication Convergence Engineering, 17 August 2022

[2021]

• [SCI, Q4] "A Design of Automated Vulnerability Information Management System for Secure Use of Internet-Connected Devices Based on Internet-Wide Scanning Methods", by Taeeun KIM, Hwankuk Kim, IEICE Transactions on Information and Systems, 2 August 2021

[2020]

• [SCI, Q4] "5G core network security issues and attack classification from network protocol perspective", by Hwankuk Kim,  Journal of Internet Services and Information Security, May 2020

[2025]

• "Design and Implementation of an AI-based IDS xApp for Open RAN", by Hyeonsoo Yu, Suhyeon Lee and Hwankuk Kim  MobiSec 2025(Mobile Internet Security), 17 December 2025

• "Structure-Aware NGAP Fuzzer Design for Procedural and State Anomaly Analysis", by Nakyung Lee, Youngseo Nam, Jinha Kim and Hwankuk Kim, MobiSec 2025(Mobile Internet Security), 17 December 2025

• "Autoencoder-Based Multi-Classification for TCP Attack Detection in Private 5G Network", by Jinha Kim, Seungjoon Na and Hwankuk Kim, MobiSec 2025(Mobile Internet Security), 16 December 2025

• "Service-Level Threat Scenarios and Resilience Approaches in Private 5G Networks", by Seungjoon Na, Jinha Kim and Hwankuk Kim, MobiSec 2025(Mobile Internet Security), 17 December 2025

• "Impact of Data Extraction Methods on Pseudo-Label  Quality in Malicious Behavior Detection of Encrypted  Network Traffic", by Chaeeun Won, Yea-Sul Kim, and Hwankuk Kim, MobiSec 2025(Mobile Internet Security), 16 December 2025

• "A STIX Schema Design for Interoperable Feature Sharing Among AI Security Models ", by Taehun Kim and Hwankuk Kim, MobiSec 2025(Mobile Internet Security), 17 December 2025

[2024]

• "Internal Asset Risk Assessment System Using STIX Information", by Hyeonsu Yoo and Hwankuk Kim  MobiSec 2024(Mobile Internet Security), 18 December 2024

• "Anomaly Detection Based on LSTM Autoencoder for DDoS Detection in Open RAN", by Suhyeon Lee and Hwankuk Kim, MobiSec 2024(Mobile Internet Security), 18 December 2024

[2023]

• "One-Class Anomaly Detection Based on Auto-Encoder for Encrypted Network Attack Analysis", Mingyu Kim, and Hwankuk kim, MobiSec2023(Mobile Internet Security), 20 December 2023

[2022]

• "Study on Feature Engineering for Performance Improvement of ML-based TTP-ID Automated Extraction", Heejeong Kim and Hwankuk Kim, WISA2022 (The 23rd World Conference on Information Security Applications), 25 August 2022

• "A Method to Train DDoS Detection Models for Insufficient 5GC Traffic with GAN and SMOTE", Yeasul Kim, and Hwankuk kim, MobiSec2022(Mobile Internet Security), 16 December 2022

[2021]

• "A Study on Analysis of Machine Learning-based IoT Botnet Traffic in 5G Core Networks", Ye-Eun Kim, Min-Gyu Kim, and Hwankuk Kim, MobiSec2021(Mobile Internet Security)  Best Paper Award , 8 October 2021

[2025]

• "암호화 공격 트래픽 분석을 위한 딥러닝 모델의 성능 비교 연구", 김태훈, 김환국,  한국정보보호학회 논문지 2025년 12월호

• "O-RAN AI/ML Framework에서의 Autoencoder 기반 이상 탐지 모델 설계 및 성능 검증", 이현지, 김환국,  한국정보보호학회 논문지 2025년 12월호

• "5G 특화망 NF 보안 점검을 위한 NGAP 퍼징 도구 설계", 정유진, 나승준, 김환국, 2025 한국정보보호학회 동계학술대회,  27 November 2025

• "RAN 데이터 기반 Autoencoder 이상 탐지 모델 O-RAN 적용 및 성능 평가", 이현지, 김환국, 한국전자통신연구원 원장상, 2025 한국정보보호학회 하계학술대회, 24 June 2025

• "5G NGAP 프로토콜 및 취약점 분석", 나승준, 김진하, 김환국, 2025 한국정보보호학회 하계학술대회, 24 June 2025

• "5G 특화망 NF 보안 점검을 위한 NGAP 퍼징 도구 설계", 김진하, 나승준, 김환국, 2025 한국정보보호학회 하계학술대회, 24 June 2025

• "암호화 공격 트래픽 분석을 위한 딥러닝 모델의 성능 비교 연구", 김태훈, 김환국, 2025 한국정보보호학회 하계학술대회, 24 June 2025

[2024]

• "외부 STIX 수집 정보를 이용한 내부자산과 연계한 TTP 대응 전략 자동 매핑 구조에 관한 연구 ", 유현수, 김환국, 한국정보보호학회 논문지 2024년 12월호

• "STIX기반 CTI 정보를 CVE 매핑 자동화 기술에 관한 연구", 유현수, 김환국, 2024 한국정보보호학회 충청지부학술대회, 27 September 2024

• "5G 특화망 보호를 위한 해외 보안 가이드 동향",  이현지, 김환국, 2024 한국정보보호학회 충청지부학술대회, 27 September 2024

• "Open RAN 환경의 보안 위협 및 AI 기반 대응 시나리오 연구", 이수현, 김환국, 제26회 전자정보통신 학술대회, 11 December 2024

[국제특허]

[2024]

• SDAF communication device that SDAF(Security Data Analytics Function) provides security functions in the 5G core network (출원 번호 : PCT/KR2024/019615)

• Method for internalizing security functions in the 5G core network performed by SDAF(Security Data Analytics Function) (출원 번호 : PCT/KR2024/019619)

[2022]

• Method and device for identifying type of variable in binary (등록번호 : US 11. 262. 994)

• Method and apparatus for patching binary having vulnerability (등록번호 : US 11,238,151)

[2021]

• Method and apparatus for detecting diameter protocol IDR message spoofing attack in mobile communication network (등록번호 : US 10,945,117)

[2020]

• Random IP generation method and apparatus (등록번호 : US 10,628,127)

• Method for automatically detecting security vulnerability based on hybrid fuzzing and apparatus thereof (등록 번호 : US 10,621,362)

[국내특허]

[2025]

• 이동통신 코어망 프로토콜 취약점 점검 장치 및 방법 (출원 번호 : 10-2025-0208355)

[2024]

• 이동통신 SBI 연동을 통한 SIEM 기반의 보안 데이터 분석 서비스 장치 및 방법  (출원 번호 : 10-2024-0202922)

[2023]

• 5G 코어망에서 SDAF의 보안 기능 제공 방법 (출원 번호 : 10-2023-0175749)

• 5G 코어망에서 보안기능을 제공하는 SDAF의 통신 장치 (출원 번호 : 10-2023-0175750)

[2025]

•  산업 전반에 적용되는 5G 특화망 보안 요구사항 (TTA 표준, 우수표준)

[2024]

• 5G SBA(Service Based Architecture)기반 보안 데이터 분석 기능 구현 방법 및 유스케이스(TTA 기술보고서)

 [2024]

• 6G 보안 내재화를 위한 보안데이터분석기능 기술이전