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Information Systems Security Lab
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A security lab that protects information systems from cyberattacks.
AboutAbout the lab
Exploring information infrastructure defenses that make attacks harder to succeed
The Information Systems Security Lab focuses on cybersecurity and conducts research to realize secure, high-performance information infrastructure.
Its main research themes include MTD (Moving Target Defense), which makes attacks harder to succeed; threat tracing, which reproduces and analyzes attack behavior; and dynamic analysis of malware.
Alongside theoretical study, the lab emphasizes implementation and evaluation, building knowledge and practical skills through study sessions, reading seminars, and team participation in CTF (Capture The Flag) competitions.
On the lab's website, it is introduced under the name "Koide Lab."
Key terms
- MTD
- A defense approach that dynamically changes system settings and configurations to make attacks harder to succeed.
- Threat tracing
- A simulation technology that reproduces and analyzes the behavior and impact of attacks to support the study of countermeasures
- CTF
- A competition-style exercise in which participants compete in information security knowledge and skills
ResearchResearch themes
As every kind of system in society becomes connected to networks, the lab studies defense technologies that protect information assets from cyberattacks. It analyzes the conditions under which attacks succeed and their scope of impact, and works on designing and evaluating defense technologies that can be applied in real environments.
*Illustrative imageAnalyzing Cyberattacks to Build Defenses
As attacks targeting companies, governments, and other organizations increase, protecting the confidentiality, integrity, and availability of information assets has become important. The lab analyzes the conditions under which attacks succeed and their scope of impact, and designs and evaluates defense technologies.
*Illustrative imageMTD: Defending by Moving the Target
This is a defense approach that does not keep the target fixed, but changes system settings and configurations over time to lower the probability that an attack succeeds. The lab applies it across multiple IT domains, aiming to balance defensive performance with operational burden and impact on performance.
*Illustrative imageThreat Tracing: Reproducing Attacks to Prevent Them
The lab predicts the activity of threats such as malware once they have infiltrated an information system, and clarifies what is needed to stop them and prevent information leaks. Attacks are represented with high-level abstract models, and their behavior is simulated and analyzed.
*Illustrative imageAttack Detection for Web Applications
This research builds attack detection and defense functions into the frameworks that serve as the foundation for creating web applications. The lab implements and evaluates detection tailored to application characteristics, as well as a function that lures attacks to a honeypot.
MembersFaculty
Members of the Information Systems Security Lab consist of faculty members and doctoral, master's, and undergraduate students.As of 2026
- ProfessorHiroshi Koide
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “IDF Enclosure for LAN and Switches” DoulosBen / CC BY 4.0 (cropped)
- Analyzing Cyberattacks to Build Defenses: “AI End-Scenario 1 Rogue Malware tamingtheaibeast” tamingtheaibeast.org / CC BY-SA 4.0 (cropped)
- MTD: Defending by Moving the Target: “Beautiful camouflage Chameleon - reptile ~ colour changing Chameleon” Rizzey Rhazes / CC BY-SA 4.0 (cropped)
- Threat Tracing: Reproducing Attacks to Prevent Them: “NSOC-2012” Unknown photographer / Public domain (cropped)
- Attack Detection for Web Applications: “Minimal Get Earthquake Web App” DoubleCritch / CC0 (cropped)
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