Horizon3.ai
Autonomous penetration testing that actually exploits the chain, so a finding is proven rather than theoretical.
Highlights
- NodeZero autonomous pentesting across internal, external, cloud, Kubernetes, and web-app surfaces
- Agentless deployment with no scheduled production downtime during tests
- Real exploitation and attack-path chaining to prove exploitability, not just scan
- Active Directory, credential, and password auditing
- Continuous re-testing to verify remediation worked
- Tripwire threat detection and deception
- Compliance support referenced for PCI and NIS 2
- A customer and partner portal with public API documentation
External link — opens horizon3.ai in a new tab. Horizon3.ai is a third-party product; we are not affiliated with it.
About Horizon3.ai
What it is
Horizon3.ai runs NodeZero, an engine that continuously executes real attack techniques against production environments to find weaknesses that are genuinely exploitable. Rather than reporting that a vulnerability exists somewhere, it chains steps together the way an attacker would and demonstrates the path, then tells you which single fix breaks the chain.
Why it's different
This is the difference between a scanner and a pentest, automated. A scanner produces thousands of findings ranked by a severity score that ignores your environment, and teams drown in them; most of those vulnerabilities are not reachable and the dangerous one is a low-severity issue that becomes critical three steps into a chain. Proving exploitability changes the conversation from a list to a decision. What to weigh: running real attack techniques against production is not risk-free and needs careful scoping, it finds what its techniques cover rather than everything, and it does not replace a skilled human tester for novel or business-logic flaws — it replaces the annual tick-box pentest with something continuous.
How people use it
It is used by security teams who need to know what is actually exploitable this week rather than what was theoretically vulnerable at the last audit, and by organisations without the budget for frequent manual testing. The output worth acting on is the attack path rather than the finding count, because the chain usually shows one weak link whose repair invalidates the whole route. Scope carefully before the first run against anything production-critical.
Written by the n3os team. We are not affiliated with Horizon3.ai.
This listing was written from public information, without Horizon3.ai’s involvement. If you own it and something here is wrong — or you would rather not be listed at all — email us and we will correct or remove it.
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