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Home » Horizon3.ai Secures $100M in Series D Funding
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Horizon3.ai Secures $100M in Series D Funding

Staff WriterBy Staff WriterJune 11, 2025No Comments4 Mins Read0 Views
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Fast Facts

  1. Funding Achievement: Horizon3.ai has successfully raised $100 million in Series D funding, bringing its total to over $218 million, led by NEA with support from key investors like 9Yards Capital and SignalFire.

  2. Innovative Platform: The company offers the NodeZero platform, an autonomous pentesting SaaS solution that simulates adversarial attacks to identify and address security vulnerabilities in real time.

  3. Comprehensive Security Insights: NodeZero provides security teams with critical data on exploitable vulnerabilities, allowing them to visualize potential attack paths and effectively mitigate risks.

  4. Future Growth Plans: The new funds will be used to expand Horizon3.ai’s partner ecosystem, enhance product capabilities, and boost adoption, particularly within federal agencies, continuing its service to over 3,000 organizations, including Fortune 500 companies.

Underlying Problem

Horizon3.ai, a San Francisco-based autonomous security provider, has secured $100 million in a Series D funding round led by NEA, with contributions from 9Yards Capital, Craft Ventures, and SignalFire. This capital injection elevates the company’s total funding to over $218 million since its inception in 2019. The firm’s flagship product, NodeZero, functions as a self-service Software as a Service (SaaS) platform designed to autonomously conduct penetration testing, simulating adversarial behavior to identify and mitigate security vulnerabilities within organizations’ systems. Currently, over 3,000 organizations globally leverage this robust solution, which empowers security teams by highlighting critical risks associated with exploitable vulnerabilities and ineffective controls.

The latest funding aims to enhance Horizon3.ai’s global partner ecosystem, innovate product capabilities—particularly in web application pentesting and vulnerability management—and expand its reach within federal agencies. Co-founder and CEO Snehal Antani underscores the industry’s frustration with traditional security approaches focused on trivial compliance metrics rather than substantive threats, asserting that NodeZero significantly reduces organizations’ threat exposure over time. This investment not only affirms the growing need for advanced cybersecurity solutions but also positions Horizon3.ai as a pivotal player in transforming how entities approach their security posture.

Risk Summary

The recent $100 million Series D funding raised by Horizon3.ai, a leading autonomous security provider known for its NodeZero platform, poses substantial risks not only to its corporate clientele but also to the broader digital ecosystem. As the platform evolves, harnessing deep learning to simulate adversarial tactics, it uncovers vulnerabilities that may inadvertently expose users—either directly or through interconnected networks. If Horizon3.ai’s enhancements lead to an uptick in cyberattacks leveraging its insights, businesses that are inadequately prepared could suffer devastating breaches. This scenario extends beyond mere data theft; compromised infrastructures may disrupt operations across sectors, erode customer trust, and catalyze sweeping regulatory ramifications as governments intensify scrutiny on cybersecurity practices. The reliance on innovative yet potentially hazardous security solutions mandates vigilant engagement across all organizations employing such technology, lest they become collateral damage in an escalating cyber threat landscape.

Fix & Mitigation

The recent influx of $100 million in Series D funding for Horizon3.ai underscores the critical need for timely remediation in cybersecurity vulnerabilities. As organizations invest significantly in technology, the implications of overlooking threats become exponentially greater.

Mitigation Steps

  • Conduct Regular Security Assessments
  • Implement Continuous Monitoring
  • Establish Incident Response Plans
  • Engage in Employee Training
  • Leverage Threat Intelligence
  • Adopt Automated Remediation Tools
  • Engage Third-Party Risk Assessments

NIST Guidance
The NIST Cybersecurity Framework emphasizes the necessity for continuous improvement and adaptation in security practices. For comprehensive strategies on remediation, organizations should refer to NIST Special Publication 800-61, which focuses on incident handling and response.

Explore More Security Insights

Discover cutting-edge developments in Emerging Tech and industry Insights.

Learn more about global cybersecurity standards through the NIST Cybersecurity Framework.

Disclaimer: The information provided may not always be accurate or up to date. Please do your own research, as the cybersecurity landscape evolves rapidly. Intended for secondary references purposes only.

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John Marcelli is a staff writer for the CISO Brief, with a passion for exploring and writing about the ever-evolving world of technology. From emerging trends to in-depth reviews of the latest gadgets, John stays at the forefront of innovation, delivering engaging content that informs and inspires readers. When he's not writing, he enjoys experimenting with new tech tools and diving into the digital landscape.

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