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Network and Security Lab
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A lab that explores network operations and security.
AboutAbout the lab
Exploring network operations and security
The Advanced Cyber Network Division of the Research Institute for Information Technology at Kyushu University studies network operation and security technologies.
Professor Koji Okamura works on network operation that takes power saving in communication equipment into account, as well as cybersecurity.
Assistant Professor Yoshiaki Kasahara studies quality monitoring of servers that provide information services, and intrusion detection that observes network traffic.
Key terms
- Intrusion detection
- A mechanism for finding unauthorized access to computers and networks.
- Virtualization
- A technology for running virtual computers on a single physical computer.
- Protocol
- A set of rules for exchanging data that computers follow when communicating with each other.
NewsLab news
View More ↗ResearchResearch themes
The division studies the operation of networks and servers and countermeasures against malicious traffic. Its themes include power saving in communication equipment, cybersecurity, server anomaly detection, and intrusion detection.
*Illustrative imagePower-Aware Network Operation
The division studies operation methods for advanced networks with power saving in communication equipment in mind. Wireless LAN systems are also listed among its research themes.
*Illustrative imageTelemedicine Using High-Definition Video
In collaboration with Kyushu University Hospital, the division has worked on demonstration experiments of telemedicine using high-definition video. It has also co-authored a paper on telemedicine.
*Illustrative imageServer Quality Monitoring and Anomaly Detection
As the number of servers providing information services grows, management has become more complex. With virtualization also in view, the division aims to build methods that reduce administrators' workload and enable efficient management and operation.
*Illustrative imageIntrusion Detection Through Traffic Monitoring
From the standpoint of an administrator of an organization's backbone network, the division researches and develops methods to monitor and detect unauthorized activity within the organization's network. It is examining passive collection of network traffic, classification that is not based on patterns, and anomaly detection using protocol characteristics.
MembersFaculty
- ProfessorKoji Okamura
- Assistant ProfessorYoshiaki Kasahara
VoicesStudent voices
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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: “Network based intrusion detection system” Rkouere / CC BY-SA 4.0 (cropped)
- Power-Aware Network Operation: “2550T-PWR-Front” Geek2003 / CC BY-SA 3.0 (cropped)
- Telemedicine Using High-Definition Video: “Telemedicine Consult” Intel Free Press / CC BY-SA 2.0 (cropped)
- Server Quality Monitoring and Anomaly Detection: “Virginia Tech - data center” Christopher Bowns / CC BY-SA 2.0 (cropped)
- Intrusion Detection Through Traffic Monitoring: “Network-cables-1” HenryNewman12 / CC BY-SA 4.0 (cropped)
- Related lab (〈汎オミクス計測・計算科学〉): “A Data-Driven Journey to the Center of the Eath” OLCF / CC BY 2.0 (cropped)
- Related lab (〈情報システムセキュリティ〉): “Cybersecurity Visuals Challenge 2019 - Rebecca Wang” Rebecca Wang / CC BY 4.0 (cropped)
- Related lab (〈教育情報基盤〉): “AI and Wikipedia in Education session in wikimania 2026 (4)” Anup Sadi / CC BY-SA 4.0 (cropped)
- Related lab (先端計算科学
（美添 一樹） ): “Xserve cluster NASA” 作者不詳 / Public domain (cropped)
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