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Computer Security Resource Center

Computer Security Resource Center

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COMSEC incident

Definition(s):

  Any occurrence that potentially jeopardizes the security of COMSEC material or the secure transmission of national security information. COMSEC Incident includes Cryptographic Incident, Personnel Incident, Physical Incident, and Protective Technology/Package Incident.
Source(s):
CNSSI 4009-2015 from CNSSI 4005 - NSA/CSS Manual Number 3-16 (COMSEC)