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data loss

nouncandidate·updated May 12, 2026

The exposure of proprietary, sensitive, or classified information through either data theft or data leakage.

Framework senses

National Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexicon1 senseview framework →
§1
The result of unintentionally or accidentally deleting data, forgetting where it is stored, or exposure to an unauthorized party.
NISTIR 7298: Glossary of Key Information Security Terms, Revision 21 senseview framework →
§1
The exposure of proprietary, sensitive, or classified information through either data theft or data leakage.
NIST SP 800-1371 senseview framework →
§1
The exposure of proprietary, sensitive, or classified information through either data theft or data leakage.