Improved Chicken Swarm Optimized Recurrent Neural Networks for Big Data Intrusion Detection System
P. Sudha1, R. Gunavathi2

1Mrs. P. Sudha*, Department of Computer Science, Sree Saraswathi Thyagaraja College, Pollachi, Tamil Nadu, India.
2Dr. R. Gunavathi, Head, Master of Computer Science and Applications, Sree Saraswathi Thyagaraja College, Pollachi, Tamil Nadu, India.

Manuscript received on April 05, 2020. | Revised Manuscript received on April 17, 2020. | Manuscript published on April 30, 2020. | PP: 326-332 | Volume-9 Issue-4, April 2020. | Retrieval Number: C6551029320/2020©BEIESP | DOI: 10.35940/ijeat.C6551.049420
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Abstract: Cyber security threats are an ever increasing, frequent and complex issue in the modern information era. With the advent of big data, incremental increase of huge amounts of data has further increased the security problems. Intrusion Detection Systems (IDS) were been developed to monitor and secure the cyber data systems and networks from any intrusions. However, the intrusion detection is difficult due to the rapid evolution of security attacks and the high volume, variety and speed of big data. In addition, the shallow architectures of existing IDS models lead to high computation cost and high memory requirements, thus further diminishing the efficiency of intrusion detection. The recent studies have suggested the use of data analytics and the deep learning algorithms can be effective in improving the IDS. An efficient IDS model is developed in this study by using the improved Elman-type Recurrent Neural Networks (RNN) in which the Improved Chicken Swarm Optimization (ICSO) optimally determines RNN parameters. RNN is an efficient method for classifying network traffic data but its traditional training algorithms are slow in convergence and faces local optimum problem. The introduction of ICSO with enhanced global search ability significantly avoids those limitations and improves the training process of RNN. This optimized deep learning algorithm of RNN, named as ICSO-RNN, is employed in the IDS with Intuitionistic Fuzzy Mutual Information feature selection to analyze larger network traffic datasets. The proposed IDS model using ICSO-RNN is tested on UNSW NB15 dataset. The final outcomes suggested that ICSO-RNN model has high performance in intrusion detection, with minimum training time and is proficient for big data. 
Keywords: Deep learning, Intrusion Detection Systems, Improved Chicken Swarm Optimization, Recurrent Neural Networks.