# Opaque System

> A system that exposes no usable signals about its internal state, so failures cannot be understood from outside.

Record: `lex:opaque-system`
Kind: anti-pattern
Layer: [Observability](https://banes-lab.com/records/layer/observability.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-opaque-system

## category

- [Observability / Auditability / Traceability](https://banes-lab.com/records/lex-category/observability-auditability-traceability.md)

## referenced-by

- [Observability](https://banes-lab.com/records/arch/observability.md)