Harmonic Security
Harmonic Security is an artificial intelligence company in San Francisco, United States, founded in 2023. It has raised $74.5M across 3 rounds, most recently a $50.0M Series B in October 2026.
AI Governance & Control Platform
- Headquarters
- San Francisco, California
- Employees
- 51–200
- Founded
- 2023
- Business Model
- SaaS
- Website
- harmonic.security
- Total Funding
- $74.5M
- Last Round
- $50.0M Series BOct 2026
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 3 funding rounds and 3 investors for this company. The full record is or through the API.
About
Harmonic Security paves the way for secure AI adoption in enterprises, ensuring innovation thrives without compromise. The company is committed to protecting data integrity, promoting responsible AI use, and fostering trust in tomorrow's technological advancements. Customers gain the visibility and control they need to guide AI use with confidence.
Summary
It lists 51–200 employees. It has raised $74.5M in total across 3 rounds, most recently a $50.0M Series B round in Oct 2026. Investors include N47, Ten Eleven Ventures and Storm Ventures.
Tech & App Stack
4 technologies & apps tracked
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Funding History
Oct 2026
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Funding: Seed through Series B. Amounts, valuations, and investors where available.
Investors
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