Takao Okubo

63 papers A 1B 15C 3Journal 18Unranked 26
YearRankTypeTitle / Venue / Authors
2025 J jnl
An Analysis of TLS Parameter Variation in Malware C2 Communication.
J. Inf. Process.
Atsushi Kanda, Masaki Hashimoto, Takao Okubo
2025 C conf
COTTAGE: Supporting Threat Analysis for Security Novices with Auto-Generated Attack Defense Trees.
ICSOFT
Keita Yamamoto, Masaki Oya, Masaki Hashimoto, Haruhiko Kaiya, Takao Okubo
2025 J jnl
The Relationship Between Emotional and Other Factors in Information Diffusion.
IEEE Access
Shuhei Ippa, Takao Okubo, Masaki Hashimoto
2024 — conf
An Analysis of Relationship Between Social Bots and Echo Chambers on X in Modern Japan.
CANDAR
Shuhei Ippa, Takao Okubo, Masaki Hashimoto
2024 J jnl
An Analysis of Social Bot Activity on X in Modern Japan.
IEEE Access
Shuhei Ippa, Takao Okubo, Masaki Hashimoto
2024 J jnl
Can We Create a TLS Lie Detector?
J. Inf. Process.
Atsushi Kanda, Masaki Hashimoto, Takao Okubo
2024 B conf
Comparison of Methods for Automatically Predicting CVSS Base Vector.
COMPSAC
Sho Isogai, Shinpei Ogata, Yutaro Kashiwa, Satoshi Yazawa, Kozo Okano, Takao Okubo, Hironori Washizaki
2024 — conf
The Reality and Feature Analysis of Information Diffusion in Japanese Disinformation Examples.
AsiaJCIS
Shuhei Ippa, Takao Okubo, Masaki Hashimoto
2024 — conf
Toward Extracting Learning Pattern: A Comparative Study of GPT-4o-mini and BERT Models in Predicting CVSS Base Vectors.
ISSRE (Workshops)
Sho Isogai, Shinpei Ogata, Yutaro Kashiwa, Satoshi Yazawa, Kozo Okano, Takao Okubo, Hironori Washizaki
2023 J jnl
Analysis and Consideration of Detection Methods to Prevent Fraudulent Access by Utilizing Attribute Information and the Access Log History.
J. Inf. Process.
Michio Kunimoto, Takao Okubo
2023 — conf
Identifying missing relationships of CAPEC attack patterns by transformer models and graph structure.
SVM
Rikuho Miyata, Hironori Washizaki, Kensuke Sumoto, Nobukazu Yoshioka, Yoshiaki Fukazawa, Takao Okubo
2022 B conf
Efficient secure DevOps using process mining and Attack Defense Trees.
KES
Takao Okubo, Haruhiko Kaiya
2021 — conf
Analysis of IoT Pattern Descriptions.
SERP4IoT
Hironori Washizaki, Atsuo Hazeyama, Takao Okubo, Hideyuki Kanuka, Shinpei Ogata, Nobukazu Yoshioka
2021 J jnl
CSPM: Metamodel for Handling Security and Privacy Knowledge in Cloud Service Development.
Int. J. Syst. Softw. Secur. Prot.
Tian Xia, Hironori Washizaki, Yoshiaki Fukazawa, Haruhiko Kaiya, Shinpei Ogata, Eduardo B. Fernández, Takehisa Kato, Hideyuki Kanuka, Takao Okubo, Nobukazu Yoshioka, Atsuo Hazeyama
2021 J jnl
Systematic Literature Review of Security Pattern Research.
Inf.
Hironori Washizaki, Tian Xia, Natsumi Kamata, Yoshiaki Fukazawa, Hideyuki Kanuka, Takehisa Kato, Masayuki Yoshino, Takao Okubo, Shinpei Ogata, Haruhiko Kaiya, Atsuo Hazeyama, Takafumi Tanaka, Nobukazu Yoshioka, G. Priyalakshmi
2021 J jnl
The design of secure IoT applications using patterns: State of the art and directions for research.
Internet Things
Eduardo B. Fernández, Hironori Washizaki, Nobukazu Yoshioka, Takao Okubo
2021 — conf
Tracing CAPEC Attack Patterns from CVE Vulnerability Information using Natural Language Processing Technique.
HICSS
Kenta Kanakogi, Hironori Washizaki, Yoshiaki Fukazawa, Shinpei Ogata, Takao Okubo, Takehisa Kato, Hideyuki Kanuka, Atsuo Hazeyama, Nobukazu Yoshioka
2021 J jnl
Tracing CVE Vulnerability Information to CAPEC Attack Patterns Using Natural Language Processing Techniques.
Inf.
Kenta Kanakogi, Hironori Washizaki, Yoshiaki Fukazawa, Shinpei Ogata, Takao Okubo, Takehisa Kato, Hideyuki Kanuka, Atsuo Hazeyama, Nobukazu Yoshioka
2020 B conf
A Tool to Manage Traceability on Several Models and Its Use Case.
KES
Haruhiko Kaiya, Shogo Tatsui, Atsuo Hazeyama, Shinpei Ogata, Takao Okubo, Nobukazu Yoshioka, Hironori Washizaki
2020 J jnl
Anomaly Detection Method "Cumulative Sum Detection" for In-Vehicle Networks.
J. Inf. Process.
Jun Yajima, Yasuhiko Abe, Takayuki Hasebe, Takao Okubo
2020 J jnl
Building Cyber Resilience through Polycentric Governance.
J. Commun.
Masato Kikuchi, Takao Okubo
2020 — conf
Experimental Evaluation of Traceability Checking Tool for Goal Dependency Modeling.
JCKBSE
Haruhiko Kaiya, Wataru Fujita, Ryotaro Yamada, Atsuo Hazeyama, Shinpei Ogata, Takao Okubo, Nobukazu Yoshioka, Hironori Washizaki
2020 J jnl
Landscape of Architecture and Design Patterns for IoT Systems.
IEEE Internet Things J.
Hironori Washizaki, Shinpei Ogata, Atsuo Hazeyama, Takao Okubo, Eduardo B. Fernández, Nobukazu Yoshioka
2019 — conf
A System for Seamless Support from Security Requirements Analysis to Security Design Using a Software Security Knowledge Base.
RE Workshops
Atsuo Hazeyama, Hikaru Miyahara, Takafumi Tanaka, Hironori Washizaki, Haruhiko Kaiya, Takao Okubo, Nobukazu Yoshioka
2019 — conf
Data Relation Analysis Focusing on Plural Data Transition for Detecting Attacks on Vehicular Network.
NBiS
Jun Yajima, Takayuki Hasebe, Takao Okubo
2019 J jnl
Landscape of IoT Patterns.
CoRR
Hironori Washizaki, Nobukazu Yoshioka, Atsuo Hazeyama, Takehisa Kato, Haruhiko Kaiya, Shinpei Ogata, Takao Okubo, Eduardo B. Fernández
2019 — conf
Landscape of IoT patterns.
SERP4IoT@ICSE
Hironori Washizaki, Nobukazu Yoshioka, Atsuo Hazeyama, Takehisa Kato, Haruhiko Kaiya, Shinpei Ogata, Takao Okubo, Eduardo B. Fernández
2019 — conf
Power of Communication Behind Extreme Cybersecurity Incidents.
DASC/PiCom/DataCom/CyberSciTech
Masato Kikuchi, Takao Okubo
2019 B conf
Towards A Knowledge Base for Software Developers to Choose Suitable Traceability Techniques.
KES
Haruhiko Kaiya, Atsuo Hazeyama, Shinpei Ogata, Takao Okubo, Nobukazu Yoshioka, Hironori Washizaki
2019 J jnl
Towards Further Formal Foundation of Web Security: Expression of Temporal Logic in Alloy and Its Application to a Security Model With Cache.
IEEE Access
Hayato Shimamoto, Naoto Yanai, Shingo Okamura, Jason Paul Cruz, Shouei Ou, Takao Okubo
2018 — conf
An Assurance Case Approach for Software Code Security.
WESPr-iMLSE@APSEC
Tomoko Kaneko, Yuji Takahashi, Takao Okubo, Ryôichi Sasaki
2018 C conf
Cloud Security and Privacy Metamodel - Metamodel for Security and Privacy Knowledge in Cloud Services.
MODELSWARD
Tian Xia, Hironori Washizaki, Takehisa Kato, Haruhiko Kaiya, Shinpei Ogata, Eduardo B. Fernández, Hideyuki Kanuka, Masayuki Yoshino, Dan Yamamoto, Takao Okubo, Nobukazu Yoshioka, Atsuo Hazeyama
2018 — conf
Proposal and Application of Security/Safety Evaluation Method for Medical Device System that Includes IoT.
ICNCC
Takuo Hayakawa, Ryôichi Sasaki, Hiroshi Hayashi, Yuji Takahashi, Tomoko Kaneko, Takao Okubo
2018 — conf
Restructuring Attack Trees to Identify Incorrect or Missing Relationships between Nodes.
WESPr-iMLSE@APSEC
Hua Cai, Hironori Washizaki, Yoshiaki Fukazawa, Takao Okubo, Haruhiko Kaiya, Nobukazu Yoshioka
2018 — conf
Security Requirement Modeling Support System Using Software Security Knowledge Base.
COMPSAC (2)
Atsuo Hazeyama, Shun'ichi Tanaka, Takafumi Tanaka, Hiroaki Hashiura, Seiji Munetoh, Takao Okubo, Haruhiko Kaiya, Hironori Washizaki, Nobukazu Yoshioka
2017 — conf
Eliciting Requirements for Improving Users' Behavior Using Transparency.
APRES
Haruhiko Kaiya, Nobukazu Yoshioka, Hironori Washizaki, Takao Okubo, Atsuo Hazeyama, Shinpei Ogata, Takafumi Tanaka
2017 B conf
Preliminary Systematic Literature Review of Software and Systems Traceability.
KES
Haruhiko Kaiya, Ryohei Sato, Atsuo Hazeyama, Shinpei Ogata, Takao Okubo, Takafumi Tanaka, Nobukazu Yoshioka, Hironori Washizaki
2016 B conf
A Metamodel for Security and Privacy Knowledge in Cloud Services.
SERVICES
Hironori Washizaki, Sota Fukumoto, Misato Yamamoto, Masatoshi Yoshizawa, Yoshiaki Fukazawa, Takehisa Kato, Shinpei Ogata, Haruhiko Kaiya, Eduardo B. Fernández, Hideyuki Kanuka, Yuki Kondo, Nobukazu Yoshioka, Takao Okubo, Atsuo Hazeyama
2016 J jnl
Implementation Support of Security Design Patterns Using Test Templates .
Inf.
Masatoshi Yoshizawa, Hironori Washizaki, Yoshiaki Fukazawa, Takao Okubo, Haruhiko Kaiya, Nobukazu Yoshioka
2016 — conf
Literature Survey on Technologies for Developing Privacy-Aware Software.
RE Workshops
Atsuo Hazeyama, Hironori Washizaki, Nobukazu Yoshioka, Haruhiko Kaiya, Takao Okubo
2016 C conf
Requirements Analysis for Privacy Protection and Third Party Awareness Using Logging Models.
SoMeT
Haruhiko Kaiya, Nobukazu Yoshioka, Takao Okubo, Hironori Washizaki, Atsuo Hazeyama
2015 B conf
A Case-based Management System for Secure Software Development Using Software Security Knowledge.
KES
Masahito Saito, Atsuo Hazeyama, Nobukazu Yoshioka, Takanori Kobashi, Hironori Washizaki, Haruhiko Kaiya, Takao Okubo
2015 — conf
Case Base for Secure Software Development Using Software Security Knowledge Base.
COMPSAC Workshops
Atsuo Hazeyama, Masahito Saito, Nobukazu Yoshioka, Azusa Kumagai, Takanori Kobashi, Hironori Washizaki, Haruhiko Kaiya, Takao Okubo
2015 A conf
TESEM: A Tool for Verifying Security Design Pattern Applications by Model Testing.
ICST
Takanori Kobashi, Masatoshi Yoshizawa, Hironori Washizaki, Yoshiaki Fukazawa, Nobukazu Yoshioka, Takao Okubo, Haruhiko Kaiya
2014 J jnl
MASG: Advanced Misuse Case Analysis Model with Assets and Security Goals.
J. Inf. Process.
Takao Okubo, Kenji Taguchi, Haruhiko Kaiya, Nobukazu Yoshioka
2014 — conf
Requirements Refinement and Exploration of Architecture for Security and Other NFRs.
CAiSE Workshops
Takao Okubo, Nobukazu Yoshioka, Haruhiko Kaiya
2014 — conf
Security Driven Requirements Refinement and Exploration of Architecture with Multiple NFR Points of View.
HASE
Takao Okubo, Nobukazu Yoshioka, Haruhiko Kaiya
2014 — conf
Security Requirements Analysis Using Knowledge in CAPEC.
CAiSE Workshops
Haruhiko Kaiya, Sho Kono, Shinpei Ogata, Takao Okubo, Nobukazu Yoshioka, Hironori Washizaki, Kenji Kaijiri
2014 B conf
Security and Privacy Behavior Definition for Behavior Driven Development.
PROFES
Takao Okubo, Yoshio Kakizaki, Takanori Kobashi, Hironori Washizaki, Shinpei Ogata, Haruhiko Kaiya, Nobukazu Yoshioka
2014 — conf
Threat and countermeasure patterns for cloud computing.
RePa
Takao Okubo, Yoshiro Wataguchi, Nobuyuki Kanaya
2014 J jnl
Validating Security Design Pattern Applications by Testing Design Models.
Int. J. Secur. Softw. Eng.
Takanori Kobashi, Nobukazu Yoshioka, Haruhiko Kaiya, Hironori Washizaki, Takao Okubo, Yoshiaki Fukazawa
2014 B conf
Verifying Implementation of Security Design Patterns Using a Test Template.
ARES
Masatoshi Yoshizawa, Takanori Kobashi, Hironori Washizaki, Yoshiaki Fukazawa, Takao Okubo, Haruhiko Kaiya, Nobukazu Yoshioka
2013 — conf
Goal-Oriented Security Requirements Analysis for a System Used in Several Different Activities.
CAiSE Workshops
Haruhiko Kaiya, Takao Okubo, Nobuyuki Kanaya, Yuji Suzuki, Shinpei Ogata, Kenji Kaijiri, Nobukazu Yoshioka
2013 B conf
Validating Security Design Patterns Application Using Model Testing.
ARES
Takanori Kobashi, Nobukazu Yoshioka, Takao Okubo, Haruhiko Kaiya, Hironori Washizaki, Yoshiaki Fukazawa
2012 J jnl
Analyzing Impacts on Software Enhancement Caused by Security Design Alternatives with Patterns.
Int. J. Secur. Softw. Eng.
Takao Okubo, Haruhiko Kaiya, Nobukazu Yoshioka
2012 — conf
Cooperative Secure Integration Process for Secure System Development.
NBiS
Yoshiro Wataguchi, Takao Okubo, Yukie Unno, Nobuyuki Kanaya
2012 — conf
Mutual Refinement of Security Requirements and Architecture Using Twin Peaks Model.
COMPSAC Workshops
Takao Okubo, Haruhiko Kaiya, Nobukazu Yoshioka
2011 B conf
Effective Security Impact Analysis with Patterns for Software Enhancement.
ARES
Takao Okubo, Haruhiko Kaiya, Nobukazu Yoshioka
2009 — conf
Misuse Cases + Assets + Security Goals.
CSE (3)
Takao Okubo, Kenji Taguchi, Nobukazu Yoshioka
2008 B conf
Identifying Security Aspects in Early Development Stages.
ARES
Takao Okubo, Hidehiko Tanaka
2007 B conf
Secure Software Development through Coding Conventions and Frameworks.
ARES
Takao Okubo, Hidehiko Tanaka
1998 B conf
An Optimistic Method for Updating Information in Distributed Collaborative Work.
COMPSAC
Takao Okubo, Takahide Matsutsuka, Yuka Tanaka, Hirotaka Hara, Sanya Uehara
1995 B conf
Reverse Engineering from COBOL to Narrative Specification.
COMPSAC
T. Yoshino, Sanya Uehara, Takao Okubo, S. Suguta, Y. Hotta, M. Sonobe