Definitions Edit

An assurance case is

[a] structured set of arguments and a body of evidence showing that an information system satisfies specific claims with respect to a given quality attribute.[1]
a body of evidence organized into an argument demonstrating that some claim about an information system holds (i.e., is assured). An assurance case is needed when it is important to show that a system exhibits some complex property such as safety, security, or reliability.[2]

References Edit

  1. NIST Special Publication 800-53, App. B, Glossary.
  2. NIST Special Publication SP 800-171, at 6 n.15.

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