Intelligent intrusion detection system utilizing enhanced...

Details Intelligent intrusion detection system utilizing enhanced... Intelligent intrusion detection system utilizing enhanced...

2006-03-04

2009-11-24

Parthasarathy, Pramila (Department: 2436)

Information security

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

Intrusion detection

C726S022000

Reexamination Certificate

active

07624448

ABSTRACT:
A method, system, and computer program product for utilizing a mapping of activity occurring at and between devices on a computer network to detect and prevent network intrusions. An enhanced graph matching intrusion detection system (eGMIDS) is provided that provides data collection functions, data fusion techniques, graph matching algorithms, and secondary and other search mechanisms. Threats are modeled as a set of entities and interrelations between the entities and sample threat patterns are stored within a database. The eGMIDS utility initiates a graph matching algorithm by which the threat patterns are compared within the generated activity graph via subgraph isomorphism. A multi-layered approach including a targeted secondary layer search following a match during a primary layer search is provided. Searches are tempered by attributes and constraints and the eGMIDS reduces the number of threat patterns searched by utilizing ontological generalization.

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International Search Report, PCT/US07/63313, Apr. 18, 2008, ISA/US, PCT.

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