Horizon3.ai NodeZero (autonomous pentesting) vs Cortex AgentiX (agents for Cortex Cloud, XSIAM and XDR)
Horizon3.ai NodeZero (autonomous pentesting) (Horizon3.ai) and Cortex AgentiX (agents for Cortex Cloud, XSIAM and XDR) (Palo Alto Networks) are both listed in the Security category of Agent Index. They share no framework tags in our dataset.
| Field |  Horizon3.ai NodeZero (autonomous pentesting) | |
|---|---|---|
| Vendor | Horizon3.ai | Palo Alto Networks |
| HQ | United States · North America | United States · North America |
| Primary category | Security | Security |
| Also listed in | Security | Security |
| Summary | Autonomous pentesting platform that runs unlimited self-directed internal, external, cloud, Kubernetes and AD pentests, plans attack paths, guides remediation and re-tests to verify fixes. | Palo Alto Networks' agentic layer for Cortex: prebuilt and custom security agents that investigate and resolve cloud and SOC issues across Cortex Cloud, XSIAM and XDR, with configurable autonomy and approvals. |
| Framework tags (Agent Index) | — | — |
| Frameworks (vendor-claimed) | FedRAMP | FedRAMP |
| Capabilities / tasks | pen test management, attack surface, exposure management, vulnerability management | cloud security, security operations, incident response, workflow automation |
| Pricing (as published) | Not published | Not published |
| Pricing model | quote | quote |
| Primary source | https://horizon3.ai/nodezero/ | https://www.paloaltonetworks.com/cortex/agentix |
| Last checked | 2026-10-18 | 2026-10-18 |
| Official site | https://horizon3.ai/nodezero/ | https://www.paloaltonetworks.com/cortex/agentix |
Side-by-side data is generated from the open dataset. “Vendor-claimed” frameworks are as marketed by each vendor and not verified by Agent Index; framework tags indicate relevance, not certification. Request current quotes from each vendor before buying. This page does not rank or score vendors. Sponsored comparisons, if any, will be labelled.
Also in this use case
Other verified listings that share a task tag or use-case group with Horizon3.ai NodeZero (autonomous pentesting) or Cortex AgentiX (agents for Cortex Cloud, XSIAM and XDR). Open a pair page or the use-case table — this is not a ranking.
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- Intruder AI Pentesting — On-demand, code-aware web-app pentesting by AI agents built by Intruder's CREST-certified testers, with audit-ready reports in hours and issue-level 'micro pentests' to triage scanner findings. · Intruder AI Pentesting pair comparison
Use-case comparisons
- Agentic pentesting AI agents — 6 listings (Autonomous or AI-assisted penetration testing, attack-surface testing and exploitable-path verification)
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