Accreditation Boundary:

(IA) – The accreditation boundary identifies the information resources covered by an accreditation decision, as distinguished from separately accredited information resources that are interconnected or with which information is exchanged via messaging. (Synonymous with Security Perimeter)

(IC) – For the purposes of identifying the Protection Level for confidentiality of a system to be accredited, the system has a conceptual boundary that extends to all intended users of the system, both directly and indirectly connected, who receive output from the system (DCID 6/3, 5 Jun 99)

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