Security Perimeter
CNSSI 4009
Boundary where security controls are in effect to protect assets.
NIST SP 800-18r1
NIST SP 800-53AdF
NIST SP 800-53r1
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 theterm security perimeter defined in CNSS Instruction 4009 and DCID 6/3.
