Any uninvestigated or unevaluated equipment malfunction or operator or COMSEC Account Manager error that has the potential to jeopardize the cryptographic security of a machine, off-line manual cryptosystem OR any investigated or evaluated occurrence that has been determined as not jeopardizing the cryptographic security of a cryptosystem.
Source(s):
CNSSI 4009-2015
from
CNSSI 4006