Security Functional Requirements


Security Functional Requirements (SFRs) are used by the Common Criteria for Information Technology Security Evaluation to specify individual security functions which may be provided by a product.

The Common Criteria presents a standard catalogue of such functions. For example, a SFR may state how a user acting a particular role might be authenticated. The list of SFRs can vary from one evaluation to the next, even if two targets are the same type of product. Although Common Criteria does not prescribe any SFRs to be included in an ST, it identifies dependencies where the correct operation of one function (such as the ability to limit access according to roles) is dependent on another (such as the ability to identify individual roles).

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