Jiyong Jang is a Research Scientist in the Cognitive Cybersecurity Intelligence (CCSI) Group at the IBM Thomas J. Watson Research Center. He received his PhD in Electrical and Computer Engineering from Carnegie Mellon University. His research interests include most areas of computer security, with an emphasis on software and network security. His current research focuses on cognitive security offense analytics and big data security analytics for malware analysis, network security, and web security in complex networking systems.