Disruption

Primary definition

An unplanned event that causes the general system or major application to be inoperable for an unacceptable length of time (e.g., minor or extended power outage, extended unavailable network, or equipment or facility damage or destruction). Source: NIST SP 800-34 Rev 1 (adapted)

Also known asservice disruption · outage · system outage · network outage · power outage · downtime · interruption · service interruption · unplanned outage · major incident · availability incident · denial of service · DoS · disaster · emergency · failure · system failure · equipment failure · facility damage · destruction · inoperability
3 sources cited3 related termsReviewed Aug 9, 2026
Committee on National Security Systems Glossary CNSSI 4009-2015View source

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CNSSGC

An unplanned event that causes the general system or major application to be inoperable for an unacceptable length of time (e.g., minor or extended power outage, extended unavailable network, or equipment or facility damage or destruction). Source: NIST SP 800-34 Rev 1 (adapted)

Committee on National Security Systems Glossary CNSSI 4009-2015 · 2024

Cite this term

Permanent URL · stable across revisions
Election Security Glossary. (2026). Disruption. In Election Security Glossary. Retrieved August 20, 2026, from https://electionsecurityglossary.com/glossary/disruption

Sources

3 cited · last checked Aug 9, 2026

01

Committee on National Security Systems Glossary CNSSI 4009-2015
Committee on National Security Systems Glossary CNSSI 4009-2015

High consensus

View source

02

NICCS Glossary
NICCS Glossary

Multi-source

View source

03

The Cyber Glossary
The Cyber Glossary

Multi-source

View source

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