← Glossary
IT continuityOperational resilience
Single point of failure
SPOF
In French : Point unique de défaillance
An element whose failure alone is enough to interrupt an entire service. Dependency maps exist first and foremost to expose them.
Source : DORA art. 10 / BCBS 516
Related terms
Dependency mapping
A representation of the resources — people, processes, technology, facilities, information, third parties — required to deliver a service, and of their relationships.
Concentration risk
Exposure arising from dependence on a hard-to-substitute provider, or on several interlinked providers, for a critical function.