Zishuai Cheng School of Computer ScienceResearch Student Contact details Emailzxc118@student.bham.ac.ukTwitter@WingPig99 AddressSchool of Computer ScienceUniversity of BirminghamEdgbastonBirminghamB15 2TT Zishuai is a visiting PhD student in the School of Computer Science. He currently focuses on the security of 4G/5G. Doctoral research SupervisorDr Mihai Ordean Research 4G/5G security Industrial control systems (ICS) security