CSEC was held at headquarter of IIJ in Jinbouchou Tokyo. This symposium was a combination of the research works of software engineering, computer security, embedded system, information security psychology, and trust research group. There were about 100 participants. Especialy, the symposium included a panel discussion for the first time. The panel’s title was "How to make the Information infrastructure of Japan safe." Prof. Miyaji participated as one of the panelists for the cryptography specialist.