{"slug": "horizon3-ai-hits-2-billion-valuation-in-250-million-funding-round", "title": "Horizon3.ai hits $2 billion valuation in $250 million funding round", "summary": "Horizon3.ai announced a $250 million Series E funding round at a valuation exceeding $2 billion, tripling its previous $650 million valuation from its Series D round just over a year ago. The oversubscribed round was co-led by existing investors NightDragon and NEA, with participation from seven new investors and five returning backers, underscoring accelerating global demand for autonomous security validation as AI-driven cyberattacks escalate.", "body_md": "Horizon3.ai has announced a $250 million Series E at a valuation of more than $2 billion, tripling its valuation from $650 million at Series D in just over a year. The oversubscribed round was co-led by existing investors NightDragon and NEA, with participation from seven new investors and five returning backers. The capital underscores accelerating global demand for safe, autonomous security validation as AI-driven cyberattacks escalate. “We invented the concept of AI Hackers and spent … [More ](https://www.helpnetsecurity.com/2026/08/03/horizon3-ai-250-million-funding/)\n\nThe post [Horizon3.ai hits $2 billion valuation in $250 million funding round](https://www.helpnetsecurity.com/2026/08/03/horizon3-ai-250-million-funding/) appeared first on [Help Net Security](https://www.helpnetsecurity.com).", "url": "https://wpnews.pro/news/horizon3-ai-hits-2-billion-valuation-in-250-million-funding-round", "canonical_source": "https://www.helpnetsecurity.com/2026/08/03/horizon3-ai-250-million-funding/", "published_at": "2026-08-03 13:21:57+00:00", "updated_at": "2026-08-03 13:26:11.218820+00:00", "lang": "en", "topics": ["ai-startups", "ai-products", "ai-safety"], "entities": ["Horizon3.ai", "NightDragon", "NEA"], "alternates": {"html": "https://wpnews.pro/news/horizon3-ai-hits-2-billion-valuation-in-250-million-funding-round", "markdown": "https://wpnews.pro/news/horizon3-ai-hits-2-billion-valuation-in-250-million-funding-round.md", "text": "https://wpnews.pro/news/horizon3-ai-hits-2-billion-valuation-in-250-million-funding-round.txt", "jsonld": "https://wpnews.pro/news/horizon3-ai-hits-2-billion-valuation-in-250-million-funding-round.jsonld"}}