Information security – Monitoring or scanning of software or data including attack... – Intrusion detection
Reexamination Certificate
2007-04-03
2007-04-03
Song, Hosuk (Department: 2135)
Information security
Monitoring or scanning of software or data including attack...
Intrusion detection
C726S022000
Reexamination Certificate
active
10640400
ABSTRACT:
A system for defending against a distributed denial-of-service attack includes an intrusion detection system, an active security management system and an active security node. The intrusion detection system generates alert data if a denial-of-service attack is detected. The active security management system manages a domain, analyzes the alert data, generates and transmits a backtracking sensor in a case of the distributed denial-of-service attack, transmits mobile sensors to a host backtracked by the backtracking sensor to remove a master or an agent program within the host; and generates and transmits a backtracking sensor by using an IP address of a host that has transmitted a packet to the removed master or agent program. The active security node executes the transmitted backtracking sensor to backtrack an attacking host of the distributed denial-of-service attack and, if the backtracked host is determined as a real attacker, intercepts a traffic generated from the real attacker.
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Stamatis Karnouskos, “Dealing with Denial-of-Service Attacks in Agent-enabled Active and Programmable Infrastructures”, Proceedings of the 25th Annual International Computer Software and Applications Conference (COMPSAC'01), IEEE, 2002.
Hyo-Chan Bang, Jung-Chan Na, Jong-Su Jang and Sung-Won Son, “Network intruder trace back mechanism in a Policy-based network security management framework”, The Proceedings of Korea Information Processing Society Spring Conference 2002, vol. 9, No. 1.
Kim Hyun Joo
Na Jung-Chan
Sohn Sung Won
Electronics and Telecommunications Research Institute
Mayer Brown Rowe & Maw LLP
Song Hosuk
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