# Fail Open

> Granting access or continuing when a security check fails, exposing the system on error.

Record: `lexicon:fail-open`
Kind: anti-pattern
Layer: [Correctness Core](https://banes-lab.com/records/layer/correctness-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-fail-open

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Exception Swallowing](https://banes-lab.com/records/lexicon/exception-swallowing.md) and before [Failure Propagation](https://banes-lab.com/records/lexicon/failure-propagation.md).

## Category

- [Error Handling / Resilience](https://banes-lab.com/records/lexicon-category/error-handling-resilience.md)

## Negated by

- [Fail Secure](https://banes-lab.com/records/architecture/fail-secure.md)

## Linked from

- [Error Handling / Resilience](https://banes-lab.com/ontology/principles/architecture-category-error-handling-resilience.md)