Fail-closed

Definition

A policy that rejects an action by default when validation or a dependency fails, preventing an uncertain result from being accepted as success.

Terms that compare with this term

• Cloud AI Cost GateCloud Artificial Intelligence Cost GateAI operational cost protectionAn execution boundary that blocks usage-priced external AI providers by default and permits calls only after data transfer and budget approval.

Related notes

• Make integration-test migration replay fail closed

Related courses

• Step 13 — Close partial failure and recovery as a cross-service contract
• Step 11 — Continue-reading UX