# Untracked Mutation

> Mutating state without writing an audit entry, so the change leaves no trace.

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

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Timestamp](https://banes-lab.com/records/lexicon/timestamp.md) and before [Anonymous Flow](https://banes-lab.com/records/lexicon/anonymous-flow.md).

## Category

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

## Negated by

- [Audit Logging](https://banes-lab.com/records/architecture/audit-logging.md)

## Linked from

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