Fazirulhisyam Hashim received a B.Eng. degree in computer and communication systems from Universiti Putra Malaysia in 2002, an M.S. degree in computer and communication engineering from Universiti Sains Malaysia in 2006, and a Ph.D. degree in wireless communication network engineering from the University of Sydney, Australia, in 2010. He is now an associate professor at the Department of Computer and Communication Systems Engineering at Universiti Putra Malaysia. His research has been concerned with mobile networks, network and computer security, wireless sensor networks, software-defined networking, network function virtualization, blockchain, vehicular communication, and emerging networks (5G/6G).