Development of a Physical Security Gateway for Connectivity to Smart Media in a Hyper-Connected Environment

Due to the rapid technological growth of smart media and the rapid spread of convenience through increased convenience, most individuals have smart media, and many person information is stored on a server connected to smart media. As a result, there is always a risk of leakage of personal information, and there is a great need for a method of protecting the personal data of the server from the invasion of the server. In this paper, we propose a method of blocking the intrusion from the external through unidirectional communication method.