The FSA published the Policy Approaches to Strengthen Cyber Security in the Financial Sector (Summary) in English. See Publication using link below.
Source: Financial Services Agency – http://www.fsa.go.jp/en/news/2015/20151105-1.html
PDF File: http://www.fsa.go.jp/en/news/2015/20151105-1/01.pdf
The Board Director Training Institute (BDTI) is a "public interest" nonprofit in Japan dedicated to training about directorship, corporate governance, and related management techniques. It is certified by the Japanese government to conduct these activities as a regulated nonprofit. Read a summary about BDTI here, and see a menu of its services for both corporations and investors here.