Abdullah Sharaf Alghamdi1, Hanif Ullah1*, Muhammad Usama Khan2, Iftikhar Ahmad1and Khalid Alnafajan1
1Department of Software Engineering, College of Computer and Information Sciences, P. O. Box 51178, Riyadh 11543, King Saud University, Riyadh, Saudi Arabia.
2Prince Muqrin Chair for IT Security, King Saud University, Riyadh, Saudi Arabia.
Email: [email protected]