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Computer Security Resource Center

Computer Security Resource Center

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    Glossary
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security perimeter

Abbreviation(s) and Synonym(s):

Accreditation Boundary

Definition(s):

  All components of an information system to be accredited by an authorizing official and excludes separately accredited systems, to which the information system is connected. Synonymous with the term security perimeter defined in CNSS Instruction 4009 and DCID 6/3.
Source(s):
NIST SP 800-18 Rev. 1 under Accreditation Boundary from NIST SP 800-37

  All components of an information system to be accredited by an authorizing official and excludes separately accredited systems to which the information system is connected. Synonymous with the term security perimeter defined in CNSS Instruction 4009 and DCID 6/3.
Source(s):
NIST SP 800-60 Vol. 1 Rev. 1 under Accreditation Boundary from NIST SP 800-37
NIST SP 800-60 Vol. 2 Rev. 1 under Accreditation Boundary from NIST SP 800-37

  A physical or logical boundary that is defined for a system, domain, or enclave; within which a particular security policy or security architecture is applied.
Source(s):
CNSSI 4009-2015

  See Accreditation Boundary.
Source(s):
NIST SP 800-18 Rev. 1 under Security Perimeter