AI Defense Matrix Catalog

Numbat

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Overview

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

Vendor
Perplexity1agent
Description
Open source endpoint tool that observes AI agent activity through local hooks, evaluates it against a local rule engine, and can block risky actions before they run.1agent
Deployment
Self-hosted1agent
Status
Active1agent

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 IdentifyProtectDetectRespond Coverage
AI Orchestration Tools Primary 1

Framework Relevance

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

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Framework Asset class Relevant controls
NIST IR 8596 AI Orchestration Tools Agents as deployed artifacts (orchestration view; see AI Agent Identities row for the principal view); system prompts and templates
CSA AI Controls Matrix AI Orchestration Tools Application and Interface Security; Supply Chain Management
ISO 42001 AI Orchestration Tools A.6 AI system life cycle; A.5 Assessing impacts of AI systems
Google SAIF AI Orchestration Tools Secure the AI supply chain; application and pipeline security; agent orchestration controls
SANS Critical AI Security Guidelines AI Orchestration Tools Secure Agentic Systems and AI Autonomy Controls (defined function scope; execution isolation; API and function-call gating); Limit Model Behavior (focused functionality; access controls outside the model)
MITRE ATLAS AI Orchestration Tools AML.T0051 LLM Prompt Injection; AML.T0054 LLM Jailbreak; AML.T0016 Obtain Capabilities (malicious plugins)
OWASP AI Exchange AI Orchestration Tools Development-time threats: agent framework supply chain; runtime threats: plugin abuse, prompt injection via tools
OWASP LLM Top 10 AI Orchestration Tools LLM01 Prompt Injection; LLM05 Improper Output Handling; LLM07 System Prompt Leakage; LLM10 Unbounded Consumption
OWASP Agentic Security Top 10 AI Orchestration Tools ASI01 Agent Goal Hijack; ASI02 Tool Misuse and Exploitation; ASI05 Unexpected Code Execution (RCE); ASI07 Insecure Inter-Agent Communication; ASI08 Cascading Failures; ASI10 Rogue Agents

Provenance

Last sourced 2026-07-30.

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Sources

  1. Numbat repository
    Vendor source accessed 2026-07-30
    • “Endpoint visibility into AI agent activity, with local detection, optional pre-action blocking, and forensic reconstruction.”

Changelog

  1. Added to the catalog from the Numbat repository documentation, released under Apache 2.0 and at an early version.

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