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Classified information concerning or derived from intelligence sources, methods, or analytical processes, which is required to be handled within formal access control systems established by the Director of National Intelligence.
Sources:
NIST SP 800-53 Rev. 5
under sensitive compartmented information
from
CNSSI 4009-2015
1. A subset of Classified National Intelligence concerning or derived from intelligence sources, methods, or analytical processes, that is required to be protected within formal access control systems established by the Director of National Intelligence.
Sources:
CNSSI 4009-2015
from
ICD 703
2. Classified information concerning or derived from intelligence sources, methods, or analytical processes, which is required to be handled within formal access control systems established by the Director of National Intelligence.
Sources:
CNSSI 4009-2015
from
NSA/CSS Manual Number 3-16 (COMSEC)