Horizon3 raises $250M at $2B+ valuation for AI-driven cybersecurity

Cybersecurity firm Horizon3 has secured $250 million in Series E funding, valuing the company at over $2 billion. This significant investment, co-led by NightDragon and NEA, reflects the growing belief that artificial intelligence will play a crucial role in the escalating AI-versus-AI battles within cybersecurity. Horizon3 focuses on autonomous AI systems for both offense and defense, aiming to accelerate the attack and response cycle to mere seconds. AI

IMPACT Accelerates the arms race in AI-driven cyber warfare, potentially forcing faster response times from organizations.

RANK_REASON Significant funding round for an AI-focused cybersecurity company. [lever_c_demoted from significant: ic=1 ai=0.7]

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• CISA
• Dave DeWalt
• FireEye
• GE Capital
• Horizon3
• IBM
• McAfee
• National Security Agency
• NEA
• NightDragon
• Project Maven
• Snehal Antani
• Splunk

• funding
• product
• infra

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