1. Research Center for Scientific and Technical Information (CERIST), Algiers, Algeria
2. Center of Excellence in Information Assurance (CoEIA), King Saud University, Riyadh, Saudi Arabia
3. Department of Computer Science and Engineering, BRAC University, Dhaka, Bangladesh
4. Department of Information Systems and Research Chair of Pervasive and Mobile Computing, College of Computer and Information Sciences, King Saud University, Riyadh, Saudi Arabia