CHA Minseok (Jacky) is a senior principal malware researcher at AhnLab. He joined AhnLab as a malware analyst in 1997. He is a member of AVAR (Association of Anti-Virus Asia Researches) and a reporter for the WildList Organization International. He has been appointed as a member of the Private/Public Cooperative Investigation Group and Cyber Expert Group in South Korea. He is a speaker at security conferences, including AVAR, AVTOKYO, CARO Workshop, CODE BLUE, Virus Bulletin. When he has free time, he enjoys old video games and old anime.