This paper is the text of the keynote speech presented at the IFIP/SEC (International Federation for Information Processing) Conference, Queensland, Australia, May 20, 1988. It reviews the history of the concept of computer security since it originated in the United States in 1967; discusses its development in both defense-related and commercial areas; and outlines the establishment of the National Security Agency and the "Orange Book" for setting standards and evaluation criteria for secure computer systems. Finally, it discusses the concept of "trusted systems" as it is understood today, and defines the requirements the private sector must meet if computer security experts are to fill its needs.
This report is part of the RAND Corporation Paper series. The paper was a product of the RAND Corporation from 1948 to 2003 that captured speeches, memorials, and derivative research, usually prepared on authors' own time and meant to be the scholarly or scientific contribution of individual authors to their professional fields. Papers were less formal than reports and did not require rigorous peer review.
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