Sagar Dasgupta is a Postdoctoral Fellow at the University of Alabama. He received B.Tech. in Mechanical Engineering from Motilal Nehru National Institute of Technology Allahabad, Prayagraj, UP, India, M.S. in Mechanical Engineering from Clemson University, Clemson, SC, USA, and Ph.D. in Civil Engineering from the University of Alabama, Tuscaloosa, AL, USA. His research interests include GNSS-based positioning and navigation security, cyber-physical system security, transportation digital twin, and intelligent transportation system.