NCSC-TG-027: A Guide to Understanding Information System Security Officer Responsibilities for Automated Information Systems, May 1992. (Turquiose Book)
You can download it from the following link: https://packetstormsecurity.com/files/download/14019/NCSC-TG-027.txt
Source: https://packetstormsecurity.com/files/14019/NCSC-TG-027.txt.html