Defined term

Incident

Incident: An occurrence that results in actual or potential jeopardy to the confidentiality, integrity, or availability of an information system or the…

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Cybersecurity

Definition

An occurrence that results in actual or potential jeopardy to the confidentiality, integrity, or availability of an information system or the information the system processes, stores, or transmits or that constitutes a violation or imminent threat of violation of security policies, security procedures, or acceptable use policies. See cyber incident. See also event, security-relevant, and intrusion.

Alternative Definitions

Definition 2

An occurrence that actually or potentially results in adverse consequences to (adverse effects on) (poses a threat to) an information system or the information that the system processes, stores, or transmits and that may require a response action to mitigate the consequences.

Source: NICCS GlossaryType: standard
Definition 3

A violation or imminent threat of violation of computer security policies, acceptable use policies, or standard security practices. (SP 800-61) (NISTIR)

Source: The Cyber GlossaryType: external

Sources

1
Committee on National Security Systems Glossary CNSSI 4009-2015
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2
NICCS Glossary
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3
The Cyber Glossary
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