Tae-woo is in charge of serious code and IR of the Korea Internet Security Center (KISC) of that Korea Internet & Security Agency (KISA). Before worked in the KISA, he was a malware analyst at an ani-virus company in Korea (ROK). Currently, he is conducting a search group who are carry out the attacks, like Ransomware, Supply Chain Attack and Information Leakage, which is better than security in Korea. Specially he is intersted in the search rewritten pre-venting cyberattacks secured by groups engaged archers who speak Korean.