論文誌
- Florian Grießer, Hirokazu Hasegawa, and Hajime Shimada, "Extending SDN-ACL Automation with User
Groups, Authentication Events, and Intrusion Detection System Integration," The International
Journal on Advances in Security, vol. 18, no. 3 and 4, pp. 123-136, December 2025.
- Masaaki Miyashita, Djafer Yahia M Benchadi, and Hiroki Takakura, "Security-risk-mitigation Measures
for Service Oriented Vehicle Diagnostics SOVD," The International
Journal on Advances in Security, vol. 18, no. 3 and 4, pp. 137-149, December 2025.
- Yuki Kodaka, Hirokazu Hasegawa, Hiroki Takakura, "Redesign and Feasibility Verification of Access
Control System Based on Correlation Among Files," International Journal On Advances in Security,
vol. 17, No. 1 and 2, pp. 99-114, November 2024.
- Hirokazu Hasegawa, Yuya Sato, Hiroki Takakura, "Construction of Secure Internal Network with
Communication Classifying System Using Multiple Judgment Methods," International Journal On Advances
in Telecommunications, vol. 13, No. 3 and 4, pp. 21-32, June 2020.
国際会議
- Hirokazu Hasegawa and Hiroki Takakura, "Cybersecurity Exercise Generation System Using LLMs with
Real Attack Datasets," In Proceedings of the 12th International Conference on Information Systems
Security and Privacy - Volume 1, ISBN 978-989-758-800-6, ISSN 2184-4356, pp. 333-339, DOI:
10.5220/0014622800004061, March, 2026.
- Yuki Kodaka, Masahito Kumazaki, Hirokazu Hasegawa, and Hiroki Takakura, "File Importance Assessment
Method Based on Multifaceted Proximity Propagation," IEEE 5th Cyber Awareness and Research Symposium
(CARS), pp. 1-6, DOI: 10.1109/CARS67163.2025.11337450, October, 2025.
- Koki Mizoguchi, Somchart Fugkeaw, Masahito Kumazaki, Hirokazu Hasegawa, and Hiroki Takakura.
"Temporary identification management system using UNIX time for IoT device privacy protection," In
Proceedings of the Tenth International Conference on Cyber-Technologies and Cyber-Systems (CYBER
2025), pp. 37–42, September, 2025.
- Hidetoshi Kawai, Masahito Kumazaki, Hirokazu Hasegawa, Hiroki Takakura, and Masahiko Kato, "A File
Access Permission Management System to Realize Task Transfer during Cyber Attacks," In Proceedings
of The Tenth International Conference on Cyber-Technologies and Cyber-Systems (CYBER 2025),
pp.43-49, September, 2025.
- Masahito Kumazaki, Hirokazu Hasegawa, and Hiroki Takakura, "Applicability of LLM in Assessing the
Reliability of Members to Mitigate Internal Threats," 2025 IEEE Conference on Communications and
Network Security (CNS), pp. 1-6, 2025
- Masahito Kumazaki, Hirokazu Hasegawa, and Hiroki Takakura, "Security Risk Assessment System Based on
the Similarity to Victims," The Twentieth International Conference on Systems (ICONS2025), pp 19-24,
May 2025
- Florian Grießer, Atsushi Shinoda, Hajime Shimada, and Hirokazu Hasegawa, "Automating SDN-ACLs with
User Groups and Authentication Events," In Proceedings of the 23rd International Conference on
Networks (ICN 2024), pp. 5-12, May 2024.
- Justus von der Beek, Atsushi Shinoda, Hajime Shimada, and Hirokazu Hasegawa, "On-Demand Clock
Boosting for Secure Remote Work System," In Proceedings of the 12th International Conference on
Communications, Computation, Networks and Technologies (INNOV 2023), pp. 8-13, November, 2023.
- Atsushi Shinoda, Hirokazu Hasegawa, Yukiko Yamaguchi, Hajime Shimada, and Hiroki Takakura,
"Feasibility Verification of Access Control System for Telecommuting by Users Reliability
Calculation," In Proceedings of the Eighteenth International Conference on Systems and Networks
Communications (ICSNC 2023), pp. 16-22, November 2023.
- Yuki Kodaka, Hirokazu Hasegawa, and Hiroki Takakura, "Design and Implementation of Access Control
Method Based on Correlation Among Files," In Proceedings of the Sixteenth International Conference
on Advances in Human-orientedand Personalized Mechanisms, Technologies, and Services (CENTRIC 2023),
pp. 44-51, November 2023
- Nader Shahata, Hirokazu Hasegawa, and Hiroki Takakura, "AI-driven Approach for Access Control List
Management," In Proceedings of the 17th International Conference on Emerging Security Information,
Systems and Technologies (SECURWARE2023), pp. 52-58, September 2023.
- Shohei Hiruta, Itaru Hosomi, Hirokazu Hasegawa, and Hiroki Takakura, "Security Operation Support by
Estimating Cyber Attacks Without Traffic Decryption," 2023 IEEE 47th Annual Computers, Software, and
Applications Conference (COMPSAC), pp. 1127-1132, June 2023.
- Atsushi Shinoda, Hirokazu Hasegawa, Yukiko Yamaguchi, Hajime Shimada, and Hiroki Takakura,
"Feasibility Verification on Impact of Frequently Access Control Update based on User Reliability,"
In Book of Abstract of the 9th International Conference on Information Systems Security and Privacy
(ICISSP 2023), p. 15, February 2023.
- Yuki Kodaka, Hirokazu Hasegawa, and Hiroki Takakura, "Proposal for a Granular Access Control Method
Based on Similarity of File Accesses Behavior among Users," In Book of Abstract of the 9th
International Conference on Information Systems Security and Privacy (ICISSP 2023), p. 16, February
2023.
- Yingtao Zhou, Hirokazu Hasegawa, and Hiroki Takakura, "A Resource Importance Estimation Method Based
on Proximity of Hierarchical Position Calculation," In Proceedings of the 5th International
Conference on Information Science and Systems (ICISS 2022), pp. 83-89, November 2022.
- Masahito Kumazaki, Hirokazu Hasegawa, Yukiko Yamaguchi, Hajime Shimada, and Hiroki Takakura, "Cyber
Attack Stage Tracing System based on Attack Scenario Comparison," In Proceedings of the 8th
International Conference on Information Systems Security and Privacy (ICISSP 2022), pp. 587-594,
February 2022.
- Tomohiro Noda, Hirokazu Hasegawa, and Hiroki Takakura, "Assessment System for Residual Risks of
Information Leakage in Incident Countermeasures," In Proceedings of the 4th International Conference
on Information Science and Systems (ICISS 2021), pp. 41-46 , March 2021.
- Masahito Kumazaki, Hirokazu Hasegawa, Yukiko Yamaguchi, Hajime Shimada, and Hiroki Takakura,
"Incident Response Support System for Multi-Located Network by Correlation Analysis of Individual
Events," In Proceedings of the 4th International Conference on Information Science and Systems
(ICISS 2021), pp. 1-6, March 2021
- Hirokazu Hasegawa and Hiroki Takakura, "A Dynamic Access Control System based on Situations of
Users," A Dynamic Access Control System based on Situations of Users, February 2021.
研究会など
- Koki Mizoguchi, Somchart Fugkeaw, Akihiro Shimizu, Masahito Kumazaki, Hirokazu Hasegawa, Hiroki
Takakura, "A PUF-based Lightweight Authentication and Key Exchange Protocol for IoT with Privacy
Protection and Concealed CRP," 電子情報通信学会技術報告書, Vol. 125, No.99, ISEC2025-63, pp. 312–319, 2025年7月.
- 小高佑紀, 長谷川皓一, 加藤雅彦, 高倉弘喜, "構成員の人的脅威を考慮した内部脅威対策手法のプロトタイプシステムの設計," 情報処理学会研究報告, Vol. 2025-CSEC-108, No.
57, pp. 1-8, 2025年3月
- 小高佑紀, 長谷川皓一, 高倉弘喜, "組織構成員の心理的状況と情報リソースの業務影響度を考慮した内部脅威対策手法," 電子情報通信学会技術報告, Vol. 124, No. 102,
IA2024-6, pp. 31-36, 2024年7月
- 小高佑紀, 長谷川皓一, 高倉弘喜, "グループ内アクセス履歴を用いたファイル相関性推測に基づくアクセス制御手法," 電子情報通信学会技術報告, Vol. 124, No. 102,
ICSS2023-8, pp. 40-47, 2023年6月
- 篠田優, 長谷川皓一, 嶋田創, 山口由紀子, 高倉弘喜, "ユーザ信用度を考慮した動的アクセス制御遅延の環境差検証," 電子情報通信学会技術報告, Vol. 122, No. 306,
IA2022-66, pp. 91-98, 2022年12月
- 長谷川 皓一, 平井 健士, 高倉 弘喜, "社会情勢分析によるサイバーリスク推定および防御構築支援," コンピュータセキュリティシンポジウム2022, pp. 92-96, 2022年10月
- 長谷川 皓一, 高倉 弘喜, "e-learning習熟度を活用したセキュリティ対策強化の推薦手法に関する検討," コンピュータセキュリティシンポジウム2022, pp. 1093-1098,
2022年10月
- 篠田優, 長谷川皓一, 山口由紀子, 嶋田創, 高倉弘喜, "ユーザの信用度を考慮したテレワーク通信へのアクセス制御手法の実装," コンピュータセキュリティシンポジウム2022, pp.
840-847, 2022年10月
- 熊崎真仁, 長谷川皓一, 山口由紀子, 嶋田創, 高倉弘喜, "正常ログ残存を前提とするサイバー攻撃推定手法の性能評価," 情報処理学会第84回全国大会予稿集, 4ZD-04, pp.
581-582, 2022年3月
- Yingtao Zhou, Hirokazu Hasegawa, Hiroki Takakura, "An Importance Estimation Method Based on Resource
Lineage," 情報処理学会第84回全国大会予稿集, 4ZD-05, pp. 583-584, 2022年3月
- 熊崎真仁, 長谷川皓一, 山口由紀子, 嶋田創, 高倉弘喜, "複数拠点ネットワークにおける類似インシデント評価手法の検討," 電子情報通信学会研究報告, Vol. 120, No. 384,
ICSS2020-31, pp. 31-36, 2021年3月
- 野田朋宏, 長谷川皓一, 嶋田創, 山口由紀子, 高倉弘喜, "インシデント対応策に残存する情報漏洩リスク評価システムの実装," 電子情報通信学会研究報告, Vol. 120, No. 384,
ICSS2020-32, pp. 37-42, 2021年3月
- 熊崎真仁, 長谷川皓一, 山口由紀子, 嶋田創, 高倉弘喜, "複数拠点におけるインシデント対応支援システムの初期検討," 電子情報通信学会研究報告, Vol. 120, No. 384,
ICSS2020-31, pp. 31-36, 2020年11月
- 野田朋宏, 長谷川皓一, 高倉弘喜, "インシデント対応策に残存する情報漏洩リスク評価システムの初期検討," 電子情報通信学会研究報告, Vol. 120, No. 264, ICSS2020-23,
pp. 21-25, 2020年11月