ACO-Enhanced DCNN-BiLSTM framework for intrusion detection in smart Consumer Electronics network

Jisi Chandroth, Gabriel Stoian and DJude Hemanth

PLOS ONE, 2026, vol. 21, issue 9, 1-18

Abstract: Consumer Electronics (CE) devices, such as smartwatches, cameras, and smart home appliances, are becoming increasingly interconnected through Smart CE networks supported by Internet of Things (IoT) ecosystems and next-generation wireless networks. This ubiquitous connectivity enhances user convenience and enables intelligent services, but it also widens the attack surface by exposing resource-constrained devices to cyber threats. Although many CE devices constantly communicate with edge or cloud infrastructures, compromising a single vulnerable node can spread risk throughout the Smart CE network and jeopardize user privacy. Intrusion Detection Systems (IDS) are commonly used security systems for detecting threats and vulnerabilities in consumer devices. Although several IDS techniques have been developed in recent years, the Smart CE network environment still requires a real-time, highly accurate attack-detection solution to address its ever-changing, large-scale security concerns. In this paper, we propose a hybrid intrusion detection framework for securing smart CE network. The proposed model draws on the strengths and capabilities of multiple deep learning algorithms. Specifically, the proposed model combines a Deep Convolutional Neural Network (DCNN) and a Bidirectional Long Short-Term Memory (BiLSTM) network to accurately recognize threats. In addition, we use the Ant Colony Optimization (ACO) approach to extract informative and uncorrelated attributes. An attention layer is added to improve discriminative learning by emphasizing the most important representations. The proposed framework was evaluated using the UNSW-NB15 dataset. The experimental results show that the proposed framework is more accurate than the existing techniques.

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0342949

DOI: 10.1371/journal.pone.0342949

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