Company

Horizon3.ai

Horizon3.ai provides NodeZero, an autonomous penetration-testing and security-validation platform. It runs AI-driven attacks against production environments to uncover exploitable paths, identify risks, guide remediation and verify fixes. The company describes its approach as continuous and designed to operate safely without agents or disruption.

Status: Active; Checked 2 Nov 2026
Based in: Unknown
Founded: Unknown; Not confirmed yet
Tools listed: 1

Tools from Horizon3.ai

NodeZero
AI-driven penetration testing that finds exploitable paths and helps teams prioritize and verify fixes.
Apps
- Web ↗
  Log in or register at the portal. New social-login accounts are read-only until upgraded to a free trial (company email required) or invited to a company account. Internal pentests also need a NodeZero host.
Developer access
- API ↗
  GraphQL API covering a subset of Portal features. It needs a NodeZero account and an API key or token created in the Portal.
- Command line ↗
  h3-cli is POSIX/bash-based and was tested on Linux. It needs an account and an API key, and is used to run NodeZero and runners and to schedule pentests.
- MCP server ↗
  NodeZero MCP server, either Horizon3-hosted or locally hosted. It needs a NodeZero account with authentication. Setup details are in the docs.
Verified options shown; other ways to use this tool are still being checked.
Security · Book a demo · Checked 2 Nov 2026
Pricing unconfirmedConfirm rates, billing basis and implementation scope with the provider.

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