1. Network and Communication Lab, Center for Cyber Security, Faculty of Information Science and Technology, Universiti Kebangsaan Malaysia (UKM), 43600 UKM, Bangi, Selangor, Malaysia
2. Department of Electrical and Electronics Engineering, Universiti Malaysia Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia
3. Department of Computer Science and Engineering, Gyancity Research Ltd., India
4. Department of Computer Science, University of Houston-Victoria, 3007 N. Ben Wilson, St. Victoria, TX 77901, USA
5. Institute of Computer Science and Digital Innovation, UCSI University, 56000 Kuala Lumpur, Malaysia