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Arthur Shield

AI safety and governance · by Arthur

Firewall for LLMs that validates user prompts and model responses, protecting against PII/sensitive data leakage, toxicity, hallucinations, and prompt injections.

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What it does

Firewall for LLMs that validates user prompts and model responses, protecting against PII/sensitive data leakage, toxicity, hallucinations, and prompt injections. Model- and platform-agnostic.

  • AI governance and policy enforcement
  • AI performance monitoring
  • LLM evaluation
  • agent observability and tracing
  • agent discovery and inventory
Category
AI safety and governance
Users
enterprise security teams, audit teams, governance teams, engineering teams and 1 more
Public API
Not offered
Deployment
On-premises

Not yet disclosed: platforms, languages and support channels.

Pricing

  • Free plan$0

Prices as published by Arthur, checked Oct 2026.

Security and compliance

As reported by Arthur. Ask for audit reports before you buy.

  • SOC 2Compliant
  • HIPAACompliant
  • ISO 22301Compliant
  • NIST CSFCompliant
  • FedRAMPCompliant
  • RBAC (Role-Based Access Control)
  • SSO (Single Sign-On)
  • Immutable audit logs

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