On the implementation of security measures in information systems
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The security of an information system may be represented by a model matrix whose elements are decision rules and whose row and column indices are users and data items respectively, which is used to explain security features of several existing systems.Abstract:Â
The security of an information system may be represented by a model matrix whose elements are decision rules and whose row and column indices are users and data items respectively. A set of four functions is used to access this matrix at translation and execution time. Distinguishing between data dependent and data independent decision rules enables one to perform much of the checking of security only once at translation time rather than repeatedly at execution time. The model is used to explain security features of several existing systems, and serves as a framework for a proposal for general security system implementation within today's languages and operating systems.read more
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The protection of information in computer systems
TL;DR: In this article, the authors explore the mechanics of protecting computer-stored information from unauthorized use or modification, focusing on those architectural structures-whether hardware or software-that are necessary to support information protection.
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Data Security
TL;DR: The general nature of controls of each type are described, the kinds of problems they can and cannot solve, and their inherent limitations and weaknesses are described.
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Operating System Structures to Support Security and Reliable Software
TL;DR: This survey focuses on two system structuring concepts that support security: small protection domains and extended-type objects and explains one approach toward implementing these concepts thoroughly and efficiently.
ReportDOI
Security Analysis and Enhancements of Computer Operating Systems
TL;DR: This document provides an understanding of the types of security problems that arise in current computer operating systems, and it suggests ways in which the security of these operating systems can be enhanced.
Proceedings ArticleDOI
Access control for Active Spaces
TL;DR: An access control system that automates the creation and enforcement of access control policies for different configurations of an Active Space, and explicitly recognizes different modes of cooperation between groups of users, and the dependence between physical and virtual aspects of security in Active Spaces.
References
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Journal ArticleDOI
Protection in an information processing utility
TL;DR: This paper focuses on the problems of protecting both user and system information during the execution of a process, and gives special attention to this problem when shared procedures and data are permitted.
Book
Feature analysis of generalized data base management systems: CODASYL Systems Committee, May 1971
B. K. Bhargava,Olin Bray,M. E. Oeppe,D. A. DeSmith,G. C. Everest,J. P. Fry,R. R. Hayward,H. F. Herre,S. R. Kimbteton,M. W. Miller,C. L. Moss,E. I. Nusinow,B. K. Plagman,C. Stallings,W. H. Stieger,J. A. Tillinghast,P. M. Whiting-O'Keefe,Gordon C. Everest,James P. Fry,Mary E. Fuller,Mary K. Hawes,Anthony J. Kay,Henry C. Lefkovits,William C. McGee,A. Metaxides,Ronald M. Olson,Martin J. Rich,Richard F. Schubert,Edgar H. Sibley,William H. Stieger,Alfred H. Vorliaus,Aria E. Weinert,John W. Young +32 more