Building a secure computer system
Building a secure computer system
Authentication in distributed systems: theory and practice
ACM Transactions on Computer Systems (TOCS)
Protection in operating systems
Communications of the ACM
Approach to object security in distributed SOM
IBM Systems Journal
Information systems resources and information security
Information Systems Frontiers
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In this paper, we review the important theoretical models of computer access control systems. Using the IBM Multiple Virtual Storage (MVS) operating system as the example, we show how the principles expressed in these models can be implemented. The roots of user authentication and access control on MVS are examined, tracing the convergence of the requirement for controls with the development of appropriate software. The paper also highlights security and auditing features unique to the host-centric computing model and discusses how these existing technologies might be applied to the security problems presented by the newer networking computing models. Finally, we look to the future and suggest the environment that will result when the host-centric computing model for security and access control is interoperated with the networking computing models.