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Security model

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Definition Edit

A security model is a schematic description of a set of entities and relationships by which a specified set of security services are provided by or within a system.

Overview Edit

"A [security] model differs from a policy in two ways:

  1. It describes the desired behavior of a computer system's mechanisms, not that of the larger system that includes people.
  2. It is precisely stated in formal language that resolves the ambiguities of English and makes it possible, at least in principle, to give a mathematical proof that a system satisfies the model."[1]

References Edit

  1. Computers at Risk: Safe Computing in the Information Age, at 80.

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