Overview

Product details compiled from public sources, each with a citation.

Vendor
Meta1
Description
Open-source guardrail framework from Meta that scans LLM apps and agents with PromptGuard 2, AlignmentCheck, and CodeShield scanners.2
Deployment
Self-hosted3
Status
Active1

Matrix Coverage

Where this product defends, by asset class and NIST CSF function. The Coverage column shows whether each asset is Primary, Secondary, or Adjacent to what the product does. The table omits empty rows and columns.

Asset class ProtectDetect Coverage Source
AI-Generated Code Protect: Not covered Detect: Covered Secondary 2
Runtime AI Data Protect: Covered Detect: Covered Primary 2

Framework Relevance

These frameworks include controls relevant to the asset classes LlamaFirewall defends. This is an editorial inference from the AI Defense Matrix asset-level crossmap, not a statement that Meta implements these controls or is certified against them.

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Framework Asset class Relevant controls
NIST IR 8596 Runtime AI Data Prompts (runtime); inference data
CSA AI Controls Matrix AI-Generated Code Application and Interface Security; Supply Chain Management
Runtime AI Data Data Security and Privacy Lifecycle Management; Application and Interface Security
ISO 42001 AI-Generated Code A.6 AI system life cycle
Runtime AI Data A.7 Data for AI systems; A.8 Information for interested parties
Google SAIF AI-Generated Code Secure the AI pipeline; code provenance and supply chain integrity
Runtime AI Data Expand AI red-teaming; runtime input and output safety; prompt defense
SANS Critical AI Security Guidelines AI-Generated Code Model I/O Handling (AI deployment in IDEs: prefer local-only integrations to limit exposure of code, keys, and proprietary data); Governance, Risk, Compliance (regularly test and red-team AI applications before and after deployment)
Runtime AI Data Model I/O Handling (sanitize, validate, and filter inputs and outputs; segregate user and system prompts; multilayered prompt-injection defense); Conventional Security Controls (protect augmentation and RAG data with vector-store access controls and validation); Data Minimization and Obfuscation (limit sensitive prompt content; context-window management); Limit Model Behavior (AI guardrails)
MITRE ATLAS AI-Generated Code AML.T0010 AI Supply Chain Compromise (hallucinated dependencies and slopsquatting); AML.T0018 Manipulate AI Model (when models embed code-execution backdoors)
Runtime AI Data AML.T0051 LLM Prompt Injection; AML.T0054 LLM Jailbreak; AML.T0056 Extract LLM System Prompt
OWASP AI Exchange AI-Generated Code Development-time threats: insecure code generation, license risk, hallucinated dependencies
Runtime AI Data Input threats: prompt injection, adversarial inputs, evasion; runtime threats: RAG poisoning, memory tampering
OWASP LLM Top 10 AI-Generated Code LLM06 Excessive Agency (code execution); insecure or vulnerable code patterns inherited from training data
Runtime AI Data LLM01 Prompt Injection; LLM02 Sensitive Information Disclosure; LLM08 Vector and Embedding Weaknesses; LLM05 Improper Output Handling
OWASP Agentic Security Top 10 AI-Generated Code ASI05 Unexpected Code Execution (RCE); ASI04 Agentic Supply Chain Vulnerabilities (hallucinated dependencies and vibe-coding artifacts)
Runtime AI Data ASI06 Memory & Context Poisoning; ASI01 Agent Goal Hijack (via prompt injection in runtime inputs)

Provenance

Last sourced 2026-06-10.

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Sources

  1. PurpleLlama repository on GitHub
    Vendor source accessed 2026-06-10
  2. LlamaFirewall README in the PurpleLlama repository
    Vendor source accessed 2026-06-10
  3. LlamaFirewall documentation site
    Vendor source accessed 2026-06-10

Changelog

  1. Added to the catalog from the Meta LlamaFirewall documentation.

Found an error? Corrections are welcome. Suggest an edit.

Product Strategy and Positioning

You can use the following frameworks to understand the product’s strategy and its competitive positioning. Performing this analysis is outside the scope of the AI Defense Matrix Catalog, but the following guidance can help you with such an assessment.

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Product Strategy

Lenny Zeltser’s Guide to Creating Cybersecurity Products can help you understand key aspects of the product strategy. You can use your AI tool to gather the data and apply this framework.

Market segment
Who the product is built for: industry, size, and the persona who evaluates it.
Go-to-market motion
How it reaches buyers: top-down sales, bottom-up adoption, or open source.
Pricing model
How value is captured: per-seat, consumption, or outcome-based.
Delivery and operations
How it is deployed, configured, and maintained, including infrastructure-as-code and API coverage.
Customer trust
Certifications, transparency, and supply-chain security a buyer expects from the vendor.
Ecosystem position
A point solution, a platform others build on, or a component of a larger platform.

Strategy Defensibility

Ben Vierck’s rubric can help you assess the defensibility of the SaaS product’s strategy against competitive and other market forces. You can use it with your AI tool for a methodical analysis.

Value delivery
How much of the value is hard to replicate versus standard software a competitor could rebuild.
Switching cost
How costly it is to leave once deployed: integrations, data, workflow, and platform ties.
Compliance moat
Whether certifications or regulatory alignment are a durable advantage or table stakes for this buyer.
Problem complexity
How hard, adversarial, and fast-moving the underlying problem is to solve well.
Buyer profile
Who holds the budget, and how durable that demand is across the market.
Layer
Where the product operates: application, model, infrastructure, platform, or identity control plane.
Proprietary data, content, or IP
Whether it accumulates data, content, or IP that others would find difficult to replicate.