Method and system for detecting denial-of-service attack

Details Method and system for detecting denial-of-service attack Method and system for detecting denial-of-service attack

2005-08-19

2009-12-22

Chai, Longbit (Department: 2431)

Information security

Monitoring or scanning of software or data including attack...

C726S023000, C726S024000, C726S025000, C726S026000, C726S027000, C713S168000, C713S169000, C713S170000, C713S171000, C713S172000

Reexamination Certificate

active

07636942

ABSTRACT:
A monitoring device monitors a packet transmitted to a communication device that is a target of the denial-of-service attack, and detects traffic abnormality information indicating an abnormality of traffic due to the packet with respect to the communication device. A performance measuring device measures performance of the communication device, and detects performance abnormality information indicating an abnormality of throughput of the communication device. An attack determining device determines whether the communication device received the denial-of-service attack, based on the traffic abnormality information and the performance abnormality information.

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