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Horizon3.ai

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4.7 out of 5 stars
40 reviews
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Average star rating
4.7
Serving customers since
2019

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Horizon3.ai Reviews

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Fonzo L.
FL
Fonzo L.
System Analyst at Allegis Group
09/30/2026
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Verified Current User
Review source: Seller invite
Incentivized Review

NodeZero the Hero

|NodeZero from Horizon3.ai
I honestly don’t know of another product on the market that delivers this same level of overall value. This product is helping change the way we think about and approach vulnerabilities, shifting the mindset from simply identifying them to taking meaningful action to address them.
Glenn H.
GH
Glenn H.
Head of IT | Enterprise Technology & Operations Leader | Driving Digital Transformation in Environmental Services
09/22/2026
Validated Reviewer
Review source: Seller invite
Incentivized Review
Translated Using AI

Secure Reporting with Seamless Jira Integration

|NodeZero from Horizon3.ai
I like that NodeZero from Horizon3.ai runs in the background and gives us very clear reports on the most critical vulnerabilities. It helps us find our most critical vulnerabilities so that we can solve them quickly, like password issues allowing us to change our password policy. I appreciate how it helps us automatically put the issues to resolve into Jira, which aids in project management. The reports are clear and we can go back to them easily. I also like that we can retest fixes and add action items into Jira without any hassle. It helps secure our environment and even brings down the cost of our cyber insurance.
RF
Robert F.
09/17/2026
Validated Reviewer
Review source: Seller invite
Incentivized Review

Essential internal threat assessment

|NodeZero from Horizon3.ai
I appreciate how NodeZero from Horizon3.ai automates penetration testing and reduces the waiting time for finding network vulnerabilities compared to manual security audits. The automated attack path chaining is really useful to find complex lateral movement opportunities within interconnected domain controllers. It's also great that I can verify proof of exploits with screenshots to provide undeniable evidence for compliance. Additionally, the host discoverability engine quickly identifies unmanaged IoT devices right after deployment, which is super useful for security assessments. I also find it easy to integrate real-time exploit information with Splunk for immediate SOC incident responses. The initial setup was easy, which is definitely a plus.

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HQ Location:
San Francisco, US

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@Horizon3ai

What is Horizon3.ai?

Horizon3.ai answers the two most important questions in cybersecurity: If someone tried to compromise us, would we hold up? And, how do we withstand the onslaught of AI-powered attacks? Horizon3.ai’s NodeZero® shifts the advantage from attackers to defenders by giving organizations the power to fight AI with AI. The Proactive Security Platform autonomously tests your defenses at machine speed, safely finds and prioritizes exploitable attack paths, instantly verifies fixes, and drives a continuous loop so you can prove you’re resilient, not just hope you are. NodeZero, the World’s Best AI Hacker™, was built by an elite team of U.S. cyber veterans and has honed its skills over 225K production-safe tests, more than all manual pentests in history. More than 5,000 organizations including the NSA, CISA, Fortune 100 giants, and major healthcare providers trust Horizon3.ai to prioritize what matters and prove they’re ready for what’s next. Horizon3.ai has been recognized by Fast Company as one of the World’s Most Innovative Companies in 2026. The company ranked #3 overall on the 2025 Deloitte Technology Fast 500 and was named the #1 cybersecurity company on the Inc. 5000 in 2025. It has also been named to the Fortune Cyber 60 in both 2023 and 2025 and is a two-time Black Unicorn Award winner.

Details

Year Founded
2019
Website
www.horizon3.ai