Abstract
Anomaly detection approaches for network intrusion detection learn to identify deviations from normal behavior on a data-driven basis. However, current approaches strive to infer the degree of abnormality of out-of-distribution samples when these appertain to different zero-day attacks. Inspired by the successes of the neural algorithmic reasoning paradigm to leverage the generalization of rule-based behavior, this paper presents a deep learning strategy for solving zero-day network attack detection and categorization. Moreover, focusing on the particular scenario of the Internet of Things (IoT), the privacy preservation requirement may imply a low training data regime for any learning algorithm. To this respect, the presented framework uses metric-based meta-learning to achieve few-shot learning capabilities. The presented pipeline is called NERO, as it imports the encode-process-decode architecture from the NEural algorithmic reasoning blueprint to converge zeRO-day attack detection policies within constrained training data.
Published Version
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