Go hack yourself.
Before they do.
Test and prove your security with the world’s best AI hacker, on your side.
You've invested millions.
Can you prove you're secure?
AI has shifted the advantage to the attacker. While your team drowns in noise and manual patches, AI has handed attackers unprecedented scale and speed.
HOW IT WORKS
Shut down exploitable attack
paths at
machine speed.
Move from vulnerability management to closing proven attack paths in just a few clicks.
Hack
Prove exploitability with real attacks.
Knowing a vulnerability exists isn’t enough. You need to know if it’s actually exploitable.
Fix
Prioritize what actually matters.
Verify
Prove exploitability with real attacks.
Repeat
Prove continuous resilience.
1 click re-testing to prove your secure.
Retests en 1 clic pour prouver votre sécurité.
Eyebrow
Customer stories heading here
24/7
“We moved beyond point-in-time testing to continuously validate real exposure. NodeZero gave us clearer priorities, faster response, and better visibility into what actually matters. Security is now an ongoing discipline—not just a once-a-year exercise.”
Mid Devon,
District Council, Public Sector
75% lower MTTR
“Retailers need to start thinking like attackers, before attackers do.”
Jerome’s Furniture,
Retail
45% fewer weaknesses
“NodeZero allowed us to cover a wider base in a shorter period of time.”
City of St. Petersburg,
Public Sector
PROACTIVE SECURITY PLATFORM
Real AI-driven attacks, trusted safely in production.
Horizon3’s NodeZero® autonomously executes real attack techniques, without agents or disruption. We proactively show exactly how attackers move, what they access, how to stop them, and verify fixes instantly.
Proactively prove that you’re resilient.
NodeZero® isn’t a scanner. We show you the real risk and impact on your business. Know exactly where you stand so you can stop guessing and start proving your security posture with confidence.
TRADITIONAL SECURITY
Static pre-defined analysis
Tests what you already know.
Theoretical risk
Delivers opinion-based risk scores.
Paralyzing volume
Produces noisy, high-volume to-do lists that overwhelm your team.
Periodic testing
Delivers results that become stale rapidly.
Based on assumptions
Relies on the hope that your efforts and tools are enough.
HORIZON3
Autonomous comprehensive attacks
Learns and adapts with every test.
Proven impact
Real exploitation reveals actual business exposure.
Clarity of action
Gives you confidence on exactly what to fix now, and what can wait.
Continuous validation
Know the impact of every change in your environment.
Anchored in evidence
Provides continuous proof of your security posture.
Static pre-defined analysis
Tests what you already know.
Theoretical risk
Delivers opinion-based risk scores.
Paralyzing volume
Produces noisy, high-volume to-do lists that overwhelm your team.
Periodic testing
Delivers results that become stale rapidly.
Based on assumptions
Relies on the hope that your efforts and tools are enough.
Autonomous comprehensive attacks
Learns and adapts with every test.
Proven impact
Real exploitation reveals actual business exposure.
Clarity of action
Gives you confidence on exactly what to fix now, and what can wait.
Continuous validation
Know the impact of every change in your environment.
Anchored in evidence
Provides continuous proof of your security posture.
Why trust Horizon3
We put the World’s Best AI Hacker™, NodeZero️, on your side to safely run in production — because production is where the hackers attack.
Purpose-built AI
NodeZero® uses the right AI for the right problem, from machine learning to GenAI. We deliver repeatable, evidence-based results with zero hallucinations.
Learns at machine scale
NodeZero® learns from hundreds of thousands of production autonomous tests — outpacing the collective history of manual pentesting in just one year.
Proven production-safe
NodeZero® has achieved zero downtime across all production tests, earning the trust of the world’s most sensitive high-security environments.
Des preuves, pas des opinions.
Ne vous contentez pas de nous croire sur parole.
#1 en sécurité
Entreprises à la croissance la plus rapide du classement Inc. 5000
#3 au classement général
300,000+
pentests exécutés en toute sécurité en production
Horizon3.ai bénéficie de la confiance de gouvernements mondiaux, de géants du Fortune 10 et de grands prestataires de soins de santé, où le besoin de sécurité et de sûreté est absolu.
« …sans adopter le point de vue d’un attaquant en tenant compte des vecteurs d’attaque réels qu’il peut utiliser pour s’introduire, vous ne pouvez vraiment pas être prêt. »
Jon Isaacson
Consultant principal
