Application and analysis of the virtual machine approach to information system security and isolation

  • Authors:
  • Stuart E. Madnick;John J. Donovan

  • Affiliations:
  • -;-

  • Venue:
  • Proceedings of the workshop on virtual computer systems
  • Year:
  • 1973

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Abstract

Security is an important factor if the programs of independent and possibly malicious users are to coexist on the same computer system. In this paper we show that a combined virtual machine monitor/operating system (VMM/OS) approach to information system isolation provides substantially better software security than a conventional multiprogramming operating system approach. This added protection is derived from redundant security using independent mechanisms that are inherent in the design of most VMM/OS systems.