He received his Ph.D. in Computer Science from the University of Texas at Arlington (UTA) where he worked as a Research Assistant in the Information Security Lab (iSec), under the supervision of Dr. Matthew Wright. His research interests lie in the areas of Information Security and Human-Computer Interaction. He is specifically interested in exploring the underlying human factors in textual password based authentication system. He has contributed seven peer-reviewed publications so far in this field. He graduated with a bachelor's degree in Computer Science and Engineering from Bangladesh University of Engineering and Technology (BUET).