[KongchangAI]
Concept故障时关闭 / fail-closed

Fail Closed

A security system design principle in which a system defaults to denying an operation when it encounters input or conditions it cannot handle. It represents a more conservative and secure failure mode compared to fail open.

Timeline (last 90 days)

Sep 26

Fail Open means that when a component fails, all requests are allowed through by default to prioritize availability, while Fail Closed means that when a component fails, all requests are rejected to prioritize security.

Unverified50%

All Facts (1)

Unverified

Fail Open means that when a component fails, all requests are allowed through by default to prioritize availability, while Fail Closed means that when a component fails, all requests are rejected to prioritize security.

50%

Source Articles

Borrowed Compute, Held Trust Line: Data Boundaries in Practice for Free Models and Remote ServersOct 13Resuming Test-Time Training Is More Than Weights: The Model Checkpoint and Search Archive Pairing ProblemOct 12Allow-lists Are Not Fail-Closed by Default: The Hidden Vulnerability in AI Agent GuardsOct 12