Horizon3.ai

Premium
Read 29 Horizon3.ai reviews and testimonials from customers, explore 22 case studies and customer success stories, and watch 10 customer videos to see why companies chose Horizon3.ai as their Breach and Attack Simulation

The NodeZero™ platform empowers organizations to continuously find, fix, and verify exploitable attack surfaces. It is the flagship product of Horizon3.ai, founded in 2019 by former industry and U.S. National Security veterans. Our mission is to help organizations see their networks through the eyes of the attacker and proactively fix problems that truly matter, improve the effectiveness of their security initiatives, and ensure that they are prepared to respond to real cyberattacks.

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.

Show more
Customer Rating Review Scorebased on 540 reference ratings
4.8/5.0 (540)
  • Top Rated Software 2025 2025
    2025Top Rated Software Award
  • 2024
    Winter 2024Rising StarBreach & Attack Simulation Software

More from Horizon3.ai

Featured Testimonials

  • “I keep going back to the actionable proof, because that has really been the value for us.”

  • "Horizon3.ai delivers detailed and prioritized remediation guidance and then goes far beyond that with the 1-click verify tool. With a click of a button, the customer can instigate a targeted retest that generates proof of remediation for their audit.”

  • "Compliance is one of the main driving factors behind why Moravian needed to implement solutions that identify vulnerabilities so that we can fix them quickly."

Featured Case Studies

  • Public University Uses NodeZero to Close Gaps, Prove Value of Cybersecurity

  • Regina International Airport Uses NodeZero to Close Gaps, Improve Efficiency

  • Empowering Educational Compliance: Navigating the Future with Autonomous Pentesting in Academia

Featured Customer Videos

Additional Horizon3.ai Information & Resources

Read Horizon3.ai Reviews, Testimonials & Customer References from 29 real Horizon3.ai customers.

Browse Horizon3.ai Case Studies, Customer Success Stories, & Customer References from 22 businesses that use Horizon3.ai.

Watch Horizon3.ai Customer Videos to learn why 10 businesses chose Horizon3.ai.