Horizon3.ai

Horizon3 and Brinqa partner to help enterprises prioritize validated cyber exposure, strengthen CTEM programs, and reduce real-world risk.

Horizon3 announces its participation in Anthropic’s Project Glasswing, an initiative focused on securing the world’s most critical infrastructure.

Horizon3 appoints Matthew Schaner as Vice President of Sales, Americas, to accelerate growth and scale sales across the region.

Horizon3 expands into Europe with its new Amsterdam headquarters, strengthening support for customers and partners across the EMEA region.

NodeZero's autonomous penetration testing exploited real AD misconfigurations in GOAD in under 14 minutes, from unauthenticated access to full forest takeover.

Founded in 2019 by veterans in tech and military, Horizon3’s mission is to find and fix attack vectors before attackers can exploit them.

The company offers continuous penetration testing to help enterprises proactively mitigate security risk before criminals exploit them.

The NodeZero Proactive Security platform continuously hacks, fixes, and verifies exploitable weaknesses.

Horizon3 uses real-world attacks to show what attackers can do in customers' environments and help them fix and verify issues.

Horizon3 AI provides vulnerability scanning, penetration testing, and virtual red team exercises to assess customers' cyber risk.

The page outlines the Horizon3 Terms of Service and License Agreement governing customer access to and use of Horizon3 services.

Horizon3 raises $250 million in a Series E round at a $2 billion valuation, backed by returning investors NightDragon and NEA. Its NodeZero platform continuously tests entire networks for vulnerabilities without disrupting live systems, as companies seek more frequent security assessments amid rising AI-driven threats. The company reports nearly $100 million in annual recurring revenue last year, about 7,200 to 7,300 customers, and plans international expansion.

Aug 2026 · TechCrunchNews article

Horizon3.ai, a cybersecurity startup offering autonomous penetration testing and threat-detection tools, is seeking to raise $100 million and has secured at least $73 million, according to an SEC filing. People familiar with the deal say NEA led the round and estimate the company’s valuation at more than $750 million, though it is unclear whether that figure is pre- or post-money. One source says Horizon3.ai generates about $30 million in annual recurring revenue.

May 2025 · TechCrunchNews article