NodeZero by Horizon3.ai is an offensive security platform that enables users to adopt an attacker’s perspective, reveal vulnerabilities, and verify defense effectiveness with evidence-backed insights.



| Product | Market Share (%) |
|---|---|
| The NodeZero Platform | 1.2% |
| Wiz | 9.7% |
| Tenable Nessus | 6.6% |
| Other | 82.5% |
| Type | Title | Date | |
|---|---|---|---|
| Category | Vulnerability Management | Nov 3, 2025 | Download |
| Product | Reviews, tips, and advice from real users | Nov 3, 2025 | Download |
| Comparison | The NodeZero Platform by Horizon3.ai vs Tenable Nessus | Nov 3, 2025 | Download |
| Comparison | The NodeZero Platform by Horizon3.ai vs Wiz | Nov 3, 2025 | Download |
| Comparison | The NodeZero Platform by Horizon3.ai vs Qualys VMDR | Nov 3, 2025 | Download |
| Title | Rating | Mindshare | Recommending | |
|---|---|---|---|---|
| Wiz | 4.5 | 9.7% | 96% | 27 interviewsAdd to research |
| Microsoft Defender for Cloud | 4.0 | 4.8% | 94% | 79 interviewsAdd to research |
| Company Size | Count |
|---|---|
| Small Business | 6 |
| Midsize Enterprise | 1 |
| Large Enterprise | 4 |
| Company Size | Count |
|---|---|
| Small Business | 199 |
| Midsize Enterprise | 116 |
| Large Enterprise | 286 |
NodeZero provides autonomous pentesting, showing how attackers exploit misconfigurations, credentials, and exposures into attack paths. It helps focus on real risks rather than hypothetical ones, integrating seamlessly into existing IT and security workflows to streamline processes. The platform drives risk-based vulnerability management and CTEM by validating vulnerabilities and measuring resilience.
What standout features improve your security?NodeZero assists in automated penetration testing and vulnerability management in industries like finance and healthcare. It enhances security processes by complementing or replacing existing solutions, enabling efficient testing, feedback, and control validation.
The NodeZero Platform by Horizon3.ai was previously known as Horizon3.ai.
Government agencies, Defense Industrial Base organizations, and enterprises in regulated industries such as finance, healthcare, manufacturing, and critical
infrastructure rely on NodeZero to meet rigorous security and compliance requirements with continuous, scheduled, and on-demand testing.
| Author info | Rating | Review Summary |
|---|---|---|
| Chief Information Officer at a construction company with 1,001-5,000 employees | 5.0 | We've used NodeZero for four years and it's our best security tool—fast, clear, and effective at identifying real threats, especially password issues. Setup was easy, support is great, and reports just need more human-readable device names. |
| Information Security Manager at a non-profit with 51-200 employees | 5.0 | I've used NodeZero for two years and find it intuitive, effective, and essential for prioritizing vulnerabilities, improving our security posture, and simplifying reporting, though I'd love it more if it could automatically apply patches. |
| Director of IT Security at a manufacturing company with 1,001-5,000 employees | 5.0 | I've found The NodeZero Platform exceptional for prioritizing vulnerabilities, enabling quicker fixes and retests, minimizing risk efficiently, and offering solid support and seamless setup—making it one of the most impactful tools we've implemented. |
| Principal Consultant at JTI Cybersecurity | 4.5 | I've used The NodeZero Platform for four years in penetration testing engagements; it's autonomous, scalable, easy to set up, and consistently reliable, with responsive support and better results than alternatives like Pentera, earning my strong recommendation. |
| Director of Enterprise Security at a energy/utilities company with 51-200 employees | 5.0 | I've used The NodeZero Platform for nearly four years, finding it reliable, effective at identifying vulnerabilities, easy to deploy, and valuable for continuous pen testing, with clear reporting and useful features, though scan speeds could be improved. |
| Senior Director IT Security at a wellness & fitness company with 1,001-5,000 employees | 5.0 | I use The NodeZero Platform for security and efficiency; its real attack capabilities and instant retesting features are impressive. It's stable, highly scalable, and the support team is excellent. I rate it 10 out of 10. |
| Works at a hospitality company with 201-500 employees | 5.0 | I've found the NodeZero Platform to be reliable, user-friendly, and effective for automated vulnerability scanning, with helpful reporting and support. It's cost-effective compared to manual testing and gives me confidence in my network's security posture. |
| Chief Information Security Officer at a construction company with 1,001-5,000 employees | 5.0 | I use The NodeZero Platform for control validation and vulnerability testing; its one-click remediation and real attack simulations provide clear insights and effective validation, though GPU-based password cracking could enhance it further. Deployment was quick and stability is solid. |