1. Department of Computer Science, Kinnaird College for Women, Lahore 54000, Pakistan
2. Department of Computing and Technology, Abasyn University, Peshawar 25000, Pakistan
3. Secure Cyber Systems Research Group, WMG University of Warwick, Coventry CV4 7AL, UK
4. Information Systems Department, Faculty of Management Comenius University in Bratislava, Odbojárov 10, 82005 Bratislava 25, Slovakia