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Rebuff

Palo Alto Networks

Open Source

Prompt injection defense project archived in May 2025 and not recommended for new projects.

Curated by Tiberiu ArvaVerified

Apache 2.0Version 0.1.11,510
DocsRepository

Strengths

  • Prompt-injection focus
  • Archived OSS reference point
  • Historically notable

Practitioner note

Most relevant as a lightweight prompt-injection defense layer in custom stacks, not as a broad end-to-end AI governance product.

Warning

Rebuff: Archived May 16, 2025. Do not recommend for new projects.

Governance posture

Reviewed 2026-05-26
N/AData residency

Archived OSS library; operator-controlled if used.

YesDeployment model

Archived (2025-05-16); self-hosted if used; not recommended for new deployments. (self-hosted)

Source
N/AAudit logging

Archived library; no infrastructure.

N/ASOC 2

Archived OSS library.

N/AISO 27001

Archived OSS library.

N/AISO 42001

Archived OSS library.

N/AEU AI Act

Archived prompt-injection defense library; not an active AI system. (role: not-applicable)

YesLicense risk

Apache-2.0 — permissive; archived (abandonment risk). (low)

Source

Explore the category

Compare this tool against the rest of its category and the cloud platform foundation layer.

AI Governance (Governance)

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Platforms (Platforms)

Review Microsoft Foundry, Amazon Bedrock, and Gemini Enterprise Agent Platform as the foundation layer.

Weekly updates (Updates)

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