# Harmonic Security

> Workforce AI-security platform that controls how employees and agents use generative-AI tools.

## Why it is interesting

Enterprise AI adoption creates a new control point between employees, agents and external models. Harmonic is betting that contextual policy enforcement can become the security layer for that traffic.

## Profile

- **Latest funding:** Series B — $50M (October 2026)
- **Latest known valuation:** Not publicly disclosed
- **Total disclosed equity funding:** $68M
- **Stage:** series-b
- **Status:** private
- **Industries:** ai-ml, cybersecurity, enterprise-saas
- **Coverage:** full
- **Last updated:** 2026-10-14
- **Latest funding investors:** Crosspoint Capital Partners, Ten Eleven Ventures, StepStone Group

## Key facts

- $76M total disclosed funding after the October 2026 Series B.
- Founded by Alastair Paterson and Bryan Woolgar-O'Neil after Digital Shadows.

## Funding history

- Series B · $50M · October 2026
  Source: https://finance.yahoo.com/technology/ai/articles/harmonic-security-raises-50-million-120000341.html
- Series A · $17.5M · October 2024
  Source: https://www.harmonic.security/
- Seed · Approximately $7M · 2023
  Source: https://www.harmonic.security/

## Investors in our directory

- https://venturecapitaltracker.com/fund/crosspoint-capital-partners

## Related articles

- https://venturecapitaltracker.com/harmonic-security-50m-series-b-workforce-ai

**By:** [Venture Capital Tracker](https://venturecapitaltracker.com/editorial-policy)
**Last updated:** October 14, 2026

**Editorial note:** AI tools assisted with research, structure, or drafting. Venture Capital Tracker retains human editorial responsibility for factual accuracy, relevance, and source quality before publication.

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Source: https://venturecapitaltracker.com/startup/harmonic-security