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exfiltration

nouncandidate·updated May 12, 2026

The unauthorized transfer of information from an information system.

Framework senses

National Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexicon1 senseview framework →
§1
The unauthorized transfer of information from an information system.
SEC IM Guidance Update: Cybersecurity Guidance, No. 2015-021 senseview framework →
§1
The unauthorized file transfer or other bulk data transfer that creates a security breach by allowing malicious people outside a security perimeter access to confidential information.