Enhanced cybersecurity for safe smart world

Unfortunately, convenience is getting more overemphasized, the risk of smart world is getting more neglected. Smart worlds like smart cities, smart homes, smart factories, smart traffics are making web-based IT systems more and more. Many research papers tells us that web-based IT systems are fundamentally vulnerable. Truly, it is very difficult to defend against every cyber attack. Definitely, it is impossible to think about safe smart world without cybersecurity. It is really needed to reduce the risk of smart world. If access from overseas is not necessary, blocking cyber threats from abroad is the best way to reduce the risk of cyber infringements for smart world.