Horizon3.ai NodeZero vs Keepnet Incident Responder AI agent
Quick answer
Horizon3.ai NodeZero (autonomous pentesting) (Horizon3.ai) and Keepnet Incident Responder AI agent (phishing incident response and agentic security awareness) (Keepnet Labs (Keepnet Labs Ltd.)) are both listed in the Security category of Agent Index.
They share no framework tags in our dataset.
This is not a ranking.
Horizon3.ai NodeZero (autonomous pentesting) (Horizon3.ai) and Keepnet Incident Responder AI agent (phishing incident response and agentic security awareness) (Keepnet Labs (Keepnet Labs Ltd.)) are both listed in the Security category of Agent Index. They share no framework tags in our dataset.
| Field |  Horizon3.ai NodeZero (autonomous pentesting) |  Keepnet Incident Responder AI agent (phishing incident response and agentic security awareness) |
|---|---|---|
| Vendor | Horizon3.ai | Keepnet Labs (Keepnet Labs Ltd.) |
| HQ | United States · North America | United Kingdom · Europe |
| 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. | Human risk management platform whose AI agent reviews user-reported emails, opens investigations and proposes next steps in Incident Responder, with every action held in a human approval queue; the same agent builds and runs phishing simulations and awareness training. Per-user pricing is published. |
| Frameworks (vendor-stated) | — | — |
| Frameworks (vendor-claimed) | FedRAMP | — |
| Capabilities / tasks | pen test management, attack surface, exposure management, vulnerability management | phishing triage, email security, incident response, alert triage |
| Pricing (as published) | Not published | Published per-user MSRP tiers on keepnetlabs.com/pricing (USD/EUR/GBP, by user band; e.g. Incident Responder bought alone is shown at about US$0.72–1.04 per user in the 25–1,000-user bands, and bundle plans from about US$1.40 to US$3.15 per user in the 25–500-user bands). Static capture: check the page for billing period and column mapping; 1,000+ users by quote. |
| Pricing model | quote | published-tiers |
| Primary source | https://horizon3.ai/nodezero/ | https://keepnetlabs.com/products/incident-responder |
| Last checked | 2026-10-18 | 2026-10-18 |
| Official site | https://horizon3.ai/nodezero/ | https://keepnetlabs.com/products/incident-responder |
FAQ (from this dataset)
What is the difference between Horizon3.ai NodeZero and Keepnet Incident Responder AI agent?
Both are listed under Security. They share no task tags in this dataset. Horizon3.ai NodeZero-only tasks: pen-test-management, attack-surface, exposure-management, vulnerability-management. Keepnet Incident Responder AI agent-only tasks: phishing-triage, email-security, incident-response, alert-triage. Differences are from stored category and task tags, not a ranking.
Which one publishes pricing?
Horizon3.ai NodeZero (autonomous pentesting): Not published Keepnet Incident Responder AI agent (phishing incident response and agentic security awareness): Published per-user MSRP tiers on keepnetlabs.com/pricing (USD/EUR/GBP, by user band; e.g. Incident Responder bought alone is shown at about US$0.72–1.04 per user in the 25–1,000-user bands, and bundle plans from about US$1.40 to US$3.15 per user in the 25–500-user bands). Static capture: check the page for billing period and column mapping; 1,000+ users by quote.
Where are Horizon3.ai NodeZero and Keepnet Incident Responder AI agent headquartered?
Horizon3.ai NodeZero (autonomous pentesting) publishes HQ in United States. Keepnet Incident Responder AI agent (phishing incident response and agentic security awareness) publishes HQ in United Kingdom.
Also in this use case
Other verified listings that share a task tag or use-case group with Horizon3.ai NodeZero (autonomous pentesting) or Keepnet Incident Responder AI agent (phishing incident response and agentic security awareness). Open a pair page or the use-case table — this is not a ranking.
- Amnify security agents (agent-driven code audit, AI pentesting, PR review and autofix pull requests) — German AppSec product from Düsseldorf: a team of agents audits repositories (SAST, secrets, SCA, IaC, CI/CD) and cloud accounts, triages signals so only confirmed findings surface, pentests running apps inside a verified scope with a separate agent reproducing every finding, reviews pull requests with a merge-blocking status check, and opens fix pull requests that run your tests but never merge themselves.
- noze CyberAgent (AI agent for continuous attack-surface monitoring, automated validation pentesting and NIS2 evidence) — Italian agent for mid-sized companies and NIS2 entities without an in-house SOC: after verifying domain control it continuously discovers assets and assesses network, web apps and APIs, correlates findings with EPSS and CISA KEV, confirms exploitability with automated validation pentests, ranks risks by business impact and prepares NIS2, DORA and ISO 27001 reports; the team decides what to fix. · noze CyberAgent (AI agent for continuous attack-surface monitoring, automated validation pentesting and NIS2 evidence) pair comparison
Use-case comparisons
- Email security and phishing-response AI agents — 16 listings (Triage of user-reported phishing, autonomous email threat remediation and AI-run phishing simulation)
- Agentic pentesting AI agents — 33 listings (Autonomous or AI-assisted penetration testing, attack-surface testing and exploitable-path verification)
Related
- Horizon3.ai NodeZero (autonomous pentesting) alternatives
- Keepnet Incident Responder AI agent (phishing incident response and agentic security awareness) alternatives
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