Publications

On the Security Risks of Memory Adaptation and Augmentation in Data-plane DoS Mitigation [NDSS'26](To appear)(GitHub)(Zenodo)

• Hocheol Nam, Daehyun Lim, Huancheng Zhou, Guofei Gu, and Min Suk Kang

• In Proceedings of the 33rd Network and Distributed System Security Symposium (NDSS), San Diego, CA, USA, Feb. 2026.

A Comparative Analysis of Cyber Attacks against Satellite Internet [MobiSec'25]

• Seungjin Baek, Hocheol Nam, and Min Suk Kang

• In Proceedings of the 9th KIISC International Conference on Mobile Internet Security (MobiSec), Sapporo, Japan, Dec. 2025.

On Frontrunning Risks in Batch-Order Fair Systems for Blockchain [CCS'25] (PDF)(Full version)(GitHub)(Zenodo)

• Eunchan Park, Taeung Yoon, Hocheol Nam, Deepak Maram, and Min Suk Kang  

• In Proceedings of the 32nd ACM SIGSAC Conference on Computer and Communications Security (CCS), Taipei, Taiwan, Oct. 2025.

Fork State-Aware Differential Fuzzing for Blockchain Consensus Implementations [ICSE'25] (PDF)(GitHub)(Zenodo)

• Wonhoi Kim*, Hocheol Nam*, Muoi Tran, Amin Jalilov, Zhenkai Liang, Sang Kil Cha, and Min Suk Kang  

  • (*Co-first authors)

• In Proceedings of the IEEE/ACM 47th International Conference on Software Engineering (ICSE), Ottawa, ON, Canada, Apr. 2025.

On the Claims of Weak Block Synchronization in Bitcoin [FC'22] (PDF)

• Seungjin Baek*, Hocheol Nam*, Yongwoo Oh, Muoi Tran, and Min Suk Kang

  • (*Co-first authors)

• In Proceedings of the IFCA 26th International Conference on Financial Cryptography and Data Security (FC), St. George's, Grenada, May. 2022.

Hints for Memory Optimization of Asylo-based SGX Enclave Applications [ICTC'20] (Link)

• Hocheol Nam, Jaewon Park, SeungGyun Lee, Seunghyun Yeo, and Seehwan Yoo

• In Proceedings of the 11th International Conference on ICT Convergence (ICTC), Jeju, South Korea, Oct. 2020.

Modeling Cellular Network Vulnerabilities and Security Patches Using Finite State Machines [CISC-S'25]

• 유한 상태 기계를 활용한 이동통신망 취약점 및 보안 패치 모델링 기법

• Dong Hyeok Kim, Seungjin Baek, Hocheol Nam, and Min Suk Kang

• In Proceedings of the KIISC Conference on Information Security and Cryptography Summer (CISC-S, 정보보호학회 하계학술대회), Jun. 2025.

Open RAN Supply Chain Attack Exploiting xApp E2SM Vulnerability [KSC'24] (Link)

• xApp E2SM 취약점을 이용한 Open RAN상 공급망 공격

• Dong Hyeok Kim, Hocheol Nam, Seungjin Baek, and Min Suk Kang

• In Proceedings of the KIISE Korea Software Congress (KSC, 정보과학회 한국 소프트웨어 종합학술대회), Dec. 2024.

Open RAN Data-plane Structure for Adaptive Network Function Development [KCC'24] (Link)

• 적응적인 네트워크 기능 개발을 위한 Open RAN 데이터 평면 구조 제안

• Dong Hyeok Kim, Hocheol Nam, Seungjin Baek, and Min Suk Kang

• In Proceedings of the KIISE Korea Computer Congress (KCC, 정보과학회 한국 컴퓨터 종합학술대회), Jun. 2024.

Traffic Watermarking on Calls using VoIP Gateway [CISC-W'23]

• VoIP 게이트웨이 사용 통화에서의 트래픽 워터마킹

• Seungjin Baek, Dong Hyeok Kim, Hocheol Nam, and Min Suk Kang

• In Proceedings of the KIISC Conference on Information Security and Cryptography Winter (CISC-W, 정보보호학회 동계학술대회), Dec. 2023.

Constructing a 4G/5G Cellular Testbed for End-to-end Voice Calls [CISC-S'23] 

• 4G/5G 단대단 음성 통화 테스트베드 환경 구축

• Byungkyu Kong, Seungjin Baek, Hocheol Nam, and Min Suk Kang

• In Proceedings of the KIISC Conference on Information Security and Cryptography Summer (CISC-S, 정보보호학회 하계학술대회), Jun. 2023.

Constructing Open RAN Test Environment [KCC'23] (Link)

• Open RAN 구현 실험을 위한 환경 구축

• Dong Hyeok Kim, Hocheol Nam, Seungjin Baek, and Min Suk Kang

• In Proceedings of the KIISE Korea Computer Congress (KCC, 정보과학회 한국컴퓨터종합학술대회), Jun. 2023.

A Comparative Analysis of Secure Privacy-Preserving Machine Learning System [KCC'21] (Link)

• 개인정보 보호를 위한 안전한 기계학습 시스템의 비교 분석

• Hocheol Nam, Seunggyun Lee, and Seehwan Yoo

• In Proceedings of the KIISE Korea Computer Congress (KCC, 정보과학회 한국컴퓨터종합학술대회), Jun. 2021.

Shared Data Protection Technique with SGX [WDSC'20] 

• SGX를 활용한 공유데이터 보호기법

• Seunghyun Yeo, Seunggyun Lee, Jaewon Park, Hocheol Nam, and Seehwan Yoo

• In Proceedings of the Workshop on Dependable and Secure Computing (WDSC, 정보과학회 정보보안 및 고신뢰컴퓨팅연구회, 정보보안 및 고신뢰컴퓨팅 워크샵), Aug. 2020.

Analysis of platform attestation technology using SGX technology during VM migration [KICS-S'20] (Link)

• VM 마이그레이션시 SGX 원격 인증 기술을 활용한 플랫폼 인증 기술 분석

• Seunggyun Lee, Seunghyun Yeo, Jaewon Park, Hocheol Nam, and Seehwan Yoo

• In Proceedings of the KICS Summer Conference (KICS-S, 한국통신학회 하계종합학술발표회), Aug. 2020.

VM Migration with Secure Enclave for Secure Cloud Computing [KICS -S'20] (Link)

• 안전한 클라우드 컴퓨팅 환경을 위한 보안 인클레이브와 VM 마이그레이션

• Seehwan Yoo, Seunggyun Lee, Seunghyun Yeo, Jaewon Park, and Hocheol Nam

• In Proceedings of the KICS Summer Conference (KICS-S, 한국통신학회 하계종합학술발표회), Aug. 2020.