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Detecting Network Intrusion Anomalies through Egonet-Based Data Mining with Apache Spark
Event Type
Research Posters
Registration Categories
TimeThursday, 18 November 20218:30am - 5pm CST
LocationSecond Floor Atrium
DescriptionNetwork intrusions often contain dangerous breaches to network security systems and their data. We design an anomaly detection system to identify network intrusions. Our proposed detection method is inspired by the use of egonets in the oddball algorithm but differs by the extracted features and the anomaly classification procedure. The detection process follows the generalized design: create a k-nearest-neighbors graph from a network dataset; extract each node’s egonet’s edge weights, number of edges, and total eigenvector centrality sum; compare each node’s egonet’s features through pairwise comparisons; and define a median “truth” line from the comparison and label nodes as anomalous based on their distance from the line. We have achieved an anomaly detection accuracy score of up to 92.9% with the eigenvector centrality score vs. edge weight feature comparison. We parallelize our algorithm by implementing Resilient Distributed Datasets in Apache Spark.
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