The document summarizes the first LINE-Intertrust Security Summit held in Tokyo on May 17, 2017. The summit brought together business, research, and security product leaders to discuss challenges around internet security and potential solutions. It notes that the original design of the internet did not consider security, and that current efforts are focused on overlaying new security technologies to address ongoing threats and attacks against consumers and infrastructure. The goal of the conference was to present research on threats and solutions to help create a safer internet.