Horizon3 Series E funding round
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Horizon3 raised $250 million in a Series E round, lifting its valuation to $2 billion and extending its capacity to scale cybersecurity operations. The company said the capital will support go-to-market expansion through MSPs and telcos and continued R&D against AI-driven attacks. The round was co-led by NightDragon and NEA, with additional new and returning investors participating.
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03.08.2026 16:00 2 articles · 0h ago
Horizon3 raises $250 million in Series E funding round
Untyped PhaseHorizon3 raised $250 million in a Series E round co-led by existing investors NightDragon and NEA, lifting its valuation from $650 million to $2 billion since June 2025. The company said the capital will support go-to-market expansion through MSPs and telcos and continued R&D to counter AI-driven attacks.
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- Horizon3 Raises $250 Million to Fund Continuing Growth — www.securityweek.com — 03.08.2026 16:00
- Horizon3 Raises $250 Million to Fund Continuing Growth — www.securityweek.com — 03.08.2026 16:00