UNISEC is a membership organization, consisting of Japanese universities, university laboratories, professors, students, private companies and other entities (university:40 corporate:33, individual: 236, student:704 as of April 2025). The General Meeting is held once a year to wrap up its year-long activities and adopt next-year plans. The board of directors meeting is preceded by it to finalize discussion themes. After the General Meeting, there are several activity reports by UNISEC’s student organization (UNISON), its alumni association (UNISAS) and working groups.