Computer & Communication Security Laboratory (CCS Lab) was established in 2004 for the purpose of studying security problems and proper countermeasures. The members of CCS Lab are pursuing research on system security and network security. We take part in activities related to computer security and cooperate with professors and researchers inside and outside the country for research advances. We continue to publish the results of our researches and projects in the major international journals and conferences.



2021/02/19 Seunghoon's paper, CENTRIS (ICSE 2021), is introduced as a news article in The Daily Swig.
The article introduces the research results of CENTRIS, which identifies modified OSS components accounting for 95% real-world popular OSS ecosystem, and its significance in terms of security and the software supply chain management.
2020/09/25 It has been published as a special feature article in the 2020 issue of 'Engineering Journal' on the theme of 'Going to Korea University Blockchain Research Institute'.
Pre-checking and preventing security vulnerabilities caused by open source code reuse in the block chain has been introduced.
2020/07/13 MBC news regarding the safety problem by the security vulnerabilities is reported at July 13, 2020.
One message can stop a fast moving scooter remotely which can be fatal to the user.
The news story is based on the analysis by CCS lab members.
(Video with English subtitles:")
2018/09/14 CCSLAB got the 1st prize for UDC2018 contest.
CCSLAB got the first prize for the UDC2018 contest with SmartWall, the firewall system for the smart contract.
2018/09/14 Prof. Lee presented about blockchain security in UDC2018
Professor presented about software security issues can be included such as vulnerability propagation through the code clones of open source software (OSS) and the existence of same vulnerabilities in multiple locations via the code reuse of reference implementations through the sessions. (
2017/12/19 Jisu Park got a prize for SW Challenge
Congratulations! Jisu Park got 1st prize for 2017 SW Challenge.
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2021/08/11 V0Finder: Discovering the Correct Origin of Publicly Reported Software Vulnerabilities, USENIX Security Symposium (Security) Seunghoon Woo
2021/06/23 Secure and Scalable IoT: An IoT Network Platform Based on Network Overlay and MAC security, International Conference on ICT Systems Security and Privacy Protection (IFIP SEC) Junwon Lee
2021/06/22 QuickBCC: Quick and Scalable Binary Vulnerable Code Clone Detection, International Conference on ICT Systems Security and Privacy Protection (IFIP SEC) Hajin Jang*
2021/06/21 OctoPoCs: Automatic Verification of Propagated Vulnerable Code Using Reformed Proofs of Concept, IEEE/IFIP International Conference on Dependable Systems and Networks (DSN) Seongkyeong Kwon
2021/06/11 An SSH predictive model using machine learning with web proxy session logs, International Journal of Information Security Junwon Lee
2021/05/24 Resilience Evaluation of Multi-Path Routing against Network Attacks and Failures, Electronics Hyok An

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