Okada　Satoshi

Researcher Information

Degree

• PhD（2025/03 The University of Tokyo）

Research funding number

• 81017979

J-Global ID

• 202501014551843320

Research Interests

• サイバーセキュリティ   AIセキュリティ   DX   

Academic & Professional Experience

• 2021/07 - 2024/03  Toyo University学術連携機構特任研究員
• 2023/04 - 2023/09  Télécom SudParisPh.D. Internship

Published Papers

• Xai-driven black-box adversarial attacks on network intrusion detectors

  Satoshi Okada; Houda Jmila; Kunio Akashi; Takuho Mitsunaga; Yuji Sekiya; Hideki Takase; Gregory Blanc; Hiroshi Nakamura

  International Journal of Information Security, 24 (3) 1 - 15 2025/03 [Refereed]
  
• Jailbreak Attack on a Multi-Agent LLM Defense System

  Junichiro Ando; Satoshi Okada; Takuho Mitsunaga

  Proceedings of 10h International Congress on Information and Communication Technology 2025 (to appear) 2025/02 [Refereed]
  
• Cloud SecNavigator: RAG Approach to Bridge Gaps and Strengthen Cloud Security Practices with RAGAS Assessment

  Rei Watanabe; Satoshi Okada; Koki Watarai; Takuho Mitsunaga

  Proceedings of International Conference on Engineering and Emerging Technologies (to appear) 2024/12 [Refereed]
  
• XAI-driven Adversarial Attacks on Network Intrusion Detectors

  Satoshi Okada; Houda Jmila; Kunio Akashi; Takuho Mitsunaga; Yuji Sekiya; Hideki Takase; Gregory Blanc; Hiroshi Nakamura

  ACM International Conference Proceeding Series 65 - 73 2024/06 [Refereed]
  
• Predicting and Visualizing Lateral Movements Based on ATT&CK and Quantification Theory Type 3

  Satoshi Okada; Yosuke Katano; Yukihiro Kozai; Takuho Mitsunaga

  Journal of Cases on Information Technology 26 (1) 1548-7717 2024 [Refereed]
  
• An Improved Technique for Generating Effective Noises of Adversarial Camera Stickers

  Satoshi Okada; Takuho Mitsunaga

  Lecture Notes in Networks and Systems 1011 LNNS 289 - 300 2367-3370 2024 [Refereed]
  
• Explainable Anomaly Detection Method Using LLM Embeddings Model with SHAP

  Taisei Matsumura; Satoshi Okada; Koki Watarai; Takuho Mitsunaga

  2024 7th International Conference on Signal Processing and Information Security, ICSPIS 2024 2024 [Refereed]
  
• Efficient Matching Algorithms between Logs and Indicators for Automatic Incident Response System

  Satoshi Okada; Nobuho Hashimoto; Takuho Mitsunaga

  Journal of Information Processing 31 279 - 287 2023 [Refereed]
  
• Memory-saving LDoS Attacker Detection Algorithms in Zigbee Network

  Satoshi Okada; Kunio Akashi; Daisuke Miyamoto; Yuji Sekiya; Hideki Takase; Hiroshi Nakamura

  Journal of Information Processing 31 537 - 549 2023 [Refereed]
  
• Automated Mapping Method for Sysmon Logs to ATT&CK Techniques by Leveraging Atomic Red Team

  Momoka Okuma; Koki Watarai; Satoshi Okada; Takuho Mitsunaga

  2023 6th International Conference on Signal Processing and Information Security, ICSPIS 2023 104 - 109 2023 [Refereed]
  
• Detection of XSS Attacks with One Class SVM Using TF-IDF and Devising a Vectorized Vocabulary

  Konosuke Tamamura; Shun Sakai; Koki Watarai; Satoshi Okada; Takuho Mitsunaga

  2023 IEEE International Conference on Computing, ICOCO 2023 35 - 40 2023 [Refereed]
  
• The Attacker Might Also Do Next: ATT&CK Behavior Forecasting by Attacker-based Collaborative Filtering and Graph Databases

  Masaki Kuwano; Momoka Okuma; Satoshi Okada; Takuho Mitsunaga

  Journal of Information Processing 31 802 - 811 2023 [Refereed]
  
• Prediction of Infected Devices Using the Quantification Theory Type 3 Based on MITRE ATT&CK Technique

  Yosuke Katano; Yukihiro Kozai; Satoshi Okada; Takuho Mitsunaga

  2022 IEEE International Conference on Computing, ICOCO 2022 198 - 203 2022 [Refereed]
  
• Machine Learning-based Anomaly Detection in ZigBee Networks

  Tomoya Oshio; Satoshi Okada; Takuho Mitsunaga

  2022 IEEE International Conference on Computing, ICOCO 2022 259 - 263 2022 [Refereed]
  
• ML Detection Method for Malicious Operation in Hybrid Zero Trust Architecture

  Koshi Ishide; Satoshi Okada; Mariko Fujimoto; Takuho Mitsunaga

  2022 IEEE International Conference on Computing, ICOCO 2022 264 - 269 2022 [Refereed]
  
• ATT&CK Behavior Forecasting based on Collaborative Filtering and Graph Databases

  Masaki Kuwano; Momoka Okuma; Satoshi Okada; Takuho Mitsunaga

  2022 IEEE International Conference on Computing, ICOCO 2022 191 - 197 2022 [Refereed]
  
• New LDoS Attack in Zigbee Network and its Possible Countermeasures

  Satoshi Okada; Daisuke Miyamoto; Yuji Sekiya; Hiroshi Nakamura

  Proceedings - 2021 IEEE International Conference on Smart Computing, SMARTCOMP 2021 246 - 251 2021/08 [Refereed]
  
• Recovery Attack on Bob’s Reused Randomness in CRYSTALS-KYBER and SABER

  Satoshi Okada; Yuntao Wang

  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 13059 LNCS 155 - 173 0302-9743 2021 [Refereed]
  
• Malware Detection Method using Tree-based Machine Learning Algorithms

  Satoshi Okada; Mariko Fujimoto; Wataru Matsuda; Takuho Mitsunaga

  2021 IEEE International Conference on Computing, ICOCO 2021 103 - 108 2021 [Refereed]
  
• Proposal for Realization and Improvement of DX in Municipal Services Based on Digital Business Models

  Takuho Mitsunaga; Yoshiki Fujiwara; Satoshi Okada

  2021 IEEE International Conference on Computing, ICOCO 2021 158 - 162 2021 [Refereed]
  
• Efficient Incident Response System on Shared Cyber Threat Information Using SDN and STIX

  Satoshi Okada; Yoshiki Fujiwara; Mariko Fujimoto; Wataru Matsuda; Takuho Mitsunaga

  2021 IEEE International Conference on Computing, ICOCO 2021 109 - 114 2021 [Refereed]
  
• LDoS Attacker Detection Algorithms in Zigbee Network

  Satoshi Okada; Daisuke Miyamoto; Yuji Sekiya; Hideki Takase; Hiroshi Nakamura

  Proceedings - IEEE Congress on Cybermatics: 2021 IEEE International Conferences on Internet of Things, iThings 2021, IEEE Green Computing and Communications, GreenCom 2021, IEEE Cyber, Physical and Social Computing, CPSCom 2021 and IEEE Smart Data, SmartData 2021 43 - 50 2021 [Refereed]
  
• Improving Key Mismatch Attack on NewHope with Fewer Queries

  Satoshi Okada; Yuntao Wang; Tsuyoshi Takagi

  Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 12248 LNCS 505 - 524 0302-9743 2020 [Refereed]
  

Books etc

• はじめて学ぶバイナリ解析 : 不正なコードからコンピュータを守るサイバーセキュリティ技術

  小林, 佐保; 岡田, 怜士; 浅部, 佑; 満永, 拓邦 インプレスR&D,インプレス (発売) 2020/02 9784844378495 176p

Conference Activities & Talks

• AI Governance with Multistakeholder for Safer AI Society

  Satoshi Okada, Takuho Mitsunaga

  36th Annual FIRST(Forum of Incident Response and Security Teams) Conference  2024/06
• CloudSec Navigator

  Takuho Mitsunaga, Koki Watarai , Satoshi Okada , Ruka Negishi

  Black Hat Asia 2024 Arsenal  2024/05

Awards & Honors

• 2025/03 東京大学大学院 情報理工学系研究科長賞（博士論文）
   

  受賞者: 岡田 怜士
• 2023/08 日本セキュリティ・マネジメント学会 辻井重男セキュリティ論文賞
   

  受賞者: 桑野 昌輝;大熊 百馨;岡田 怜士;満永 拓邦
• 2022/11 IEEE International Conference on Computing (ICOCO 2022) Best Paper Award
   

  受賞者: Masaki Kuwano;Momoka Okuma;Satoshi Okada;Takuho Mitsunaga
• 2022/03 東京大学大学院 情報理工学系研究科長賞（修士論文）
   

  受賞者: 岡田 怜士
• 2021/11 IEEE International Conference on Computing (ICOCO 2021) Best Paper Award
   

  受賞者: Satoshi Okada;Yoshiki Fujiwara;Mariko Fujimoto;Wataru Matsuda;Takuon Mitsunaga

Research Grants & Projects

• 若手研究者海外挑戦プログラム

  日本学術振興会：

  Date (from‐to) : 2023/04 -2023/09 

  Author : 岡田 怜士

Other link

researchmap

https://researchmap.jp/satoshi_okada