Security incident that occurs whenever classified data is spilled either onto an unclassified information system or to an information system with a lower level of classification or different security category.
Rationale: Spillage encompasses this term.
Sources:
CNSSI 4009-2015
under classified information spillage
See spillage.
Sources:
CNSSI 4009-2015
under contamination
CNSSI 4009-2015
under data spillage
Security incident that results in the transfer of classified information onto an information system not authorized to store or process that information.
Sources:
CNSSI 4009-2015