Hajime Takai currently works as a SOC analyst and a malware researcher at NTT Security (Japan) KK. He joined NTT Security in 2016, before which he worked for five years as a software engineer. He contributes to the NTT Security blog about malware research. He has written a white paper about Taidoor in Japanese. He has presented at Japan Security Analyst Conference 2020. He loves mahjong.
Shogo Hayashi has worked as a SOC analyst for more than 10 years at NTT Security (Japan) KK. His main specialization is responding to EDR detections, creating IoCs, malware analysis and researching endpoint behaviour of threat actors. In addition, he posts articles and whitepapers in NTT Security. He is a cofounder of SOCYETI, an organization for sharing threat information and analysis technique to SOC analysts in Japan.
Rintaro Koike is a security analyst at NTT Security (Japan) KK. He has been engaged in SOC and malware analysis. In addition, he is the founder of 'nao_sec'. He always collects and analyses threat information. He has been a speaker at Japan Security Analyst Conference 2018/19/20, HITCON Community 2019, VB 2019, AVAR 2019, CPRCon 2020 and Black Hat USA 2018 Arsenal.