Horizon3.ai offers an autonomous penetration testing platform that helps organizations proactively find and fix security vulnerabilities.
Horizon3.ai has raised $100.0M in total funding. The most recent round was Series D. The last funding was announced in May 2025.
Horizon3.ai's investors include New Enterprise Associates, Craft Ventures, SignalFire, Ridge Ventures, 9Yards Capital.
Horizon3.ai is headquartered in San Francisco, United States.
Horizon3.ai offers an autonomous penetration testing platform that helps organizations proactively find and fix security vulnerabilities.
Horizon3.ai is at the Series D stage.
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"Horizon3.ai — Funding & Investors." VCBacked, May 22, 2025, https://www.vcbacked.co/company/horizon3ai. Accessed July 19, 2026.
VCBacked. (2025). Horizon3.ai — Funding & Investors. Retrieved July 19, 2026, from https://www.vcbacked.co/company/horizon3ai
{{cite web |title=Horizon3.ai — Funding & Investors |url=https://www.vcbacked.co/company/horizon3ai |website=VCBacked |access-date=July 19, 2026}}Profile data sourced and verified per the VCbacked methodology · Last funding round dated