"A total loss of function or functions, such as the loss or unrecoverable corruption of voting data, or the failure of an on-board battery for volatile memory." FVSS Appendix.
What is a catastrophic system failure?
The term Catastrophic System Failure refers to a failure causing total loss of one or more critical functions, such as unrecoverable vote data, essential hardware operation, or another function necessary to continue safely. It gives election, security, legal, or technical readers a specific label for the concept rather than a broader everyday meaning.
What can cause catastrophic failure in a voting system?
In practice, Catastrophic System Failure is applied to the technical or security purpose captured by its definition: a failure causing total loss of one or more critical functions. Organizations combine that function with documented procedures, authorized access, testing, monitoring, and controls appropriate to the system. The governing standard or security policy determines the exact implementation.
How should election systems prepare for catastrophic failure?
In practice, Catastrophic System Failure is applied to the technical or security purpose captured by its definition: a failure causing total loss of one or more critical functions. Organizations combine that function with documented procedures, authorized access, testing, monitoring, and controls appropriate to the system. The governing standard or security policy determines the exact implementation.
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"A total loss of function or functions, such as the loss or unrecoverable corruption of voting data, or the failure of an on-board battery for volatile memory." FVSS Appendix.
Cite this term
Election Security Glossary. (2026). Catastrophic System Failure. In Election Security Glossary. Retrieved August 21, 2026, from https://electionsecurityglossary.com/glossary/catastrophic-system-failure
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