Mobile Internet Security Laboratory (MobiSec Lab) was established in 2015 for the purpose of studying security problems and proper countermeasures. It belongs to Department of Information Securty Engineering in Soonchunhyang University. The members of MobiSec Lab are pursuing research on Mobile Internet security, 5G/6G security, and IoT/CPS security. We take part in activities related to computer security and cooperate with professors and researchers inside and outside the country for research advances. We continue to publish the results of our researches and projects in the major international journals and conferences.