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safety security

A Second Model Audited the Guardrail Without Seeing Its Inputs

CorrectGuard estimates black-box guardrail errors from labeled eyes-on data under human and machine eyes-off regimes.

Published Updated Story ID: mp-2026-10-05-027
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Summary

CorrectGuard estimates black-box guardrail errors from labeled eyes-on data under human and machine eyes-off regimes.

CorrectGuard trains independent correctness estimators without access to a guardrail's internals and, in its strictest setting, without model inspection of protected inputs. Across 13 safety and security datasets, in-context classifiers improved macro accuracy by as much as 25 percentage points. The best rankings cut area under the risk-coverage curve from 0.33–0.44 to 0.17–0.22, though results varied sharply by guardrail and held-out dataset.

Why it matters

CorrectGuard estimates black-box guardrail errors from labeled eyes-on data under human and machine eyes-off regimes.

Limits and context

No additional limitation was separately recorded.

Key claims

  1. CorrectGuard estimates black-box guardrail errors from labeled eyes-on data under human and machine eyes-off regimes.

    Evidence: source-2026-10-05-016

Sources

  1. arXiv preprint 2610.03470arXiv · primary research

Corrections

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