A MODIFIED FIREFLY ALGORITHM-BASED FEATURE SELECTION METHOD AND ARTIFICIAL IMMUNE SYSTEM FOR INTRUSION DETECTION
Abstract
Intrusion detection systems generally produce high dimensional data in network-based computer systems. It is required to analyze this data effectively and create a successful model by selecting the important features to save only the meaningful data and protect the system against suspicious behaviors and attacks that can occur in a system. Firefly Algorithm (FFA) is one of the most promising meta-heuristic methods which can be used to select important features from big data. In this paper, a modified Firefly Algorithm-based feature selection method is proposed. The traditional Firefly Algorithm is improved by using the K-Nearest Neighborhood (K-NN) classifier and an additional feature selection step. The proposed method is tested on 4 different datasets of various types of attacks. Three different sub-feature sets are obtained for each dataset and the classification performances are compared. Artificial Immune System (AIS) method is also implemented to generate artificial data for the datasets that have an insufficient number of data. This study shows that the proposed Firefly Algorithm performs successfully to decrease the dimension of data by selecting the features according to the obtained accuracy rates of the K-NN method. Memory usage is dramatically decreased over 50% by reducing the dimension with the proposed FFA. The obtained results indicate that this method both saves time and memory usage.
Keywords
References
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Details
Primary Language
English
Subjects
Artificial Intelligence
Journal Section
Research Article
Publication Date
April 30, 2020
Submission Date
November 20, 2019
Acceptance Date
March 27, 2020
Published in Issue
Year 2020 Volume: 25 Number: 1