Ehab Khalifa. The Impact of Smart City Model on National Security. Central European Journal of International and Security Studies 14, no. 1: 52–73. © 2020 CEJISS. Article is distributed under Open Access licence: Attribution - NonCommercial 3.0 Unported (cc by-nc 3.0). The Impact of Smart City Model on National Security Ehab Khalifa Smart cities could help overcome traditional problems of big cities, such as pollution, trafc congestion and administrative corruption. They can stimulate economic productivity, accommodate population growth, and make lives more convenient, but at the same time, they raise many security threats to national security. Daily life needs in smart cities are based on information and com- munication technologies. Houses, infrastructure, transportation, com- munication, government services, as well as commercial and industrial services, etc. are controlled by smart systems dependent upon artifcial intelligence and the Internet of things 1 . If these services are targeted by a successful cyber-attack, the consequences in that case would be unafordable to national security and to people’s lives. This article seeks to analyse the impact of smart cities on nation- al security, and it comes in three main sections. The frst one defnes smart cities and its diferent models, the second one analyses the im- pact of adopting the smart city model on national security, and the conclusion tries to provide some recommendations of how to decrease national security risks in the smart city. Keywords: smart cities, national security, cyber security. Introduction Many countries around the world have adopted smart city models which depend on cloud storage platforms, Internet of things and arti- fcial intelligence systems, with the aim of improving the quality of live