NCSC-TG-004: Glossary of Computer Security Terms, 21 October 1988. (Teal Green Book) (NCSC-WA-001-85 is obsolete)
You can download it from the following link: https://packetstormsecurity.com/files/download/13995/NCSC-TG-004.txt
Source: https://packetstormsecurity.com/files/13995/NCSC-TG-004.txt.html