1. Center for Cyber Security, Faculty of Information Science and Technology, University Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia
2. Faculty of Computer and Information Systems, Islamic University of Madinah, Madinah 42351, Saudi Arabia
3. School of Digital Science, Universiti Brunei Darussalam, Tungku Link, Gadong BE1410, Brunei
4. Department of Cyber Security, Ajou University, Suwon 16499, Republic of Korea