--- title: NodeZero from Horizon3.ai Reviews meta\_title: 'NodeZero from Horizon3.ai Reviews 2026: Details, Pricing, & Features | G2' meta\_description: Filter 35 reviews by the users' company size, role or industry to find out how NodeZero from Horizon3.ai works for a business like yours. aggregate\_rating: rating\_value: 4.7 review\_count: 35 scale: '5' date\_modified: '2026-08-10' parent\_category: name: "DevSecOps\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t" url: https://www.g2.com/categories/devsecops --- # NodeZero from Horizon3.ai Reviews & Product Details Visit Website Horizon3.ai's NodeZero® platform empowers your organization to continuously find, fix, and verify your exploitable attack surface. Reduce your security risk by autonomously finding weaknesses in your network, knowing how to prioritize and fix them, and immediately verifying that your fixes work. NodeZero delivers production-safe autonomous pentests and other key assessment operations that scale across your largest internal, external, cloud, and hybrid cloud environments. No required agents, no code to write, and no consultants to hire. * * * Product Website NodeZero from Horizon3.ai Seller [Horizon3.ai](https://www.g2.com/sellers/horizon3-ai) Discussions [NodeZero from Horizon3.ai Community](https://www.g2.com/products/nodezero-from-horizon3-ai/discuss) Languages Supported English Solution Type Best-of-Breed Overview by Albert Martinek Show More ## NodeZero from Horizon3.ai Integrations (4) What do users say about integrations? Verified by NodeZero from Horizon3.ai [ ![Product Avatar Image](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Product Avatar Image") Azure Active Directory Domain Services ](https://www.g2.com/products/azure-active-directory-domain-services/reviews)[ ![Product Avatar Image](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Product Avatar Image") Jira ](https://www.g2.com/products/jira/reviews)[ ![Product Avatar Image](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Product Avatar Image") Qualys VMDR ](https://www.g2.com/products/qualys-vmdr/reviews)[ ![Product Avatar Image](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Product Avatar Image") Slack ](https://www.g2.com/products/slack/reviews) Show More ED Enzo D. CRM Administrator Construction Small-Business (50 or fewer emp.) 7/26/2026 "Horizon3 platform significantly accelerated internal vulnerability validation" 4/5 What do you like best about NodeZero from Horizon3.ai? The autonomous penetration testing engine automatically identifies any external vulnerabilities that can be exploited without the need to configure the scripts manually. The platform correctly correlates low-level misconfigurations to show complete domain compromise techniques. Review collected by and hosted on G2.com. What do you dislike about NodeZero from Horizon3.ai? When discovering large corporate subnets, the credentialed scanning module will drop active network connections. Also creating local compliance remediation checklists results in a huge delay in dashboard rendering. Review collected by and hosted on G2.com. What problems is NodeZero from Horizon3.ai solving and how is that benefiting you? Our security team had to test internal firewalls against current ransomware replication methods. The automated assessment infrastructure conducts continuous perimeter checks, without interfering with live manufacturing operations. The internal testing framework helps us minimize the use of costly outside consultants. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: Seller invite ![Verified User in Hospital & Health Care](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Hospital & Health Care") AH Verified User in Hospital & Health Care Enterprise (\> 1000 emp.) 7/28/2026 "Easy-to-Use Pen Testing Anytime at a Lower Cost" 4/5 What do you like best about NodeZero from Horizon3.ai? The tool is easy to use and straightforward to implement. Being able to run penetration tests at any time, and at a much lower cost than using third parties, has significantly improved our security posture. Review collected by and hosted on G2.com. What do you dislike about NodeZero from Horizon3.ai? Nodezero has been slow to implement the product and feature requests I’ve submitted. On top of that, it isn’t easy to see the current status of those requests or track where they stand. Review collected by and hosted on G2.com. What problems is NodeZero from Horizon3.ai solving and how is that benefiting you? NodeZero is simplifying our penetration testing process. It has made it much more efficient to identify and remediate pen test findings, and it’s helping our organization’s risk reduce drastically. Review collected by and hosted on G2.com. Show More Current UserValidated ReviewerIncentivizedSource: Seller invite ![Jorge D.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Jorge D.") JD Jorge D. Mid-Market (51-1000 emp.) 4/15/2026 "Effortless Pentesting with Intuitive Insights" 4/5 What do you like best about NodeZero from Horizon3.ai? I like NodeZero from Horizon3.ai for its intuitive interface, which makes it easy to navigate the different sections of the portal. I also appreciate the remediation assistance it offers, as it provides steps to fix vulnerabilities. Additionally, the initial setup of NodeZero was very easy, which was a nice plus. Review collected by and hosted on G2.com. What do you dislike about NodeZero from Horizon3.ai? I believe the external pentest can be improved to offer similar depth as the internal pentest. The external pentest can incorporate aspects of application vulnerability scans. Review collected by and hosted on G2.com. What problems is NodeZero from Horizon3.ai solving and how is that benefiting you? I use NodeZero from Horizon3.ai to run regular internal pentests and password audits, identifying attack vectors that can exploit system vulnerabilities. The intuitive interface makes navigation easy, and remediation assistance provides steps to fix vulnerabilities. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: Seller invite BK Benjamin K. Mid-Market (51-1000 emp.) 4/23/2026 "Time-Saving Penetration Testing with Ease" 4/5 What do you like best about NodeZero from Horizon3.ai? I like NodeZero from Horizon3.ai for its comprehensive nature. It effectively covers the whole network, identifying any active vulnerabilities that are being exploited. I find it extremely useful because I can set it up and then do something else while the pen test is running, which saves a lot of time. Review collected by and hosted on G2.com. What do you dislike about NodeZero from Horizon3.ai? The runner sometimes acts up and we have to run some commands to get it working. Review collected by and hosted on G2.com. What problems is NodeZero from Horizon3.ai solving and how is that benefiting you? I use NodeZero from Horizon3.ai for penetration testing. It saves a lot of time because I can set it up and focus on other tasks while it runs, identifying vulnerabilities across my network. Review collected by and hosted on G2.com. Show More Validated ReviewerIncentivizedSource: Seller invite ##### Pricing Pricing details for this product isn’t currently available. Visit the vendor’s website to learn more. 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