# Harmonic Security

**Source:** https://www.startuphub.ai/startups/harmonic-security
**Profile type:** Startup

> Workforce AI security platform that protects and enables AI use for millions of employees at more than 100 companies.

## About

Harmonic Security delivers AI Governance and Control (AIGC), an intelligent control layer that secures and enables the AI-First workforce. The platform provides granular visibility into AI usage across IDEs, browsers, desktop AI tools, and agentic workflows, allowing organizations to govern how employees use AI without hindering their productivity. It utilizes proprietary Small Language Models (SLMs) to classify sensitive data by context, not pattern, enabling real-time detection and blocking of proprietary code uploads to unsanctioned models and preventing sensitive data exposure.

## Key facts

- **Slug:** harmonic-security
- **Website:** https://harmonic.security
- **Location:** San Francisco, United States
- **Employees:** 87
- **Operating status:** Active
- **Total funding:** $50M
- **Sectors / tags:** Cybersecurity, AI Governance, AI Security, Workforce Security, Data Loss Prevention
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/harmonic-security
  - Twitter: https://x.com/intent

## StartupHub.ai scores

- **Ahrefs DR:** 67/100
- **Effective DR:** 94/100
- **Agent Readiness:** D (59/100)
- **Site Speed:** 48/100
- **Data Trust:** 94/100

## Funding rounds

| Date | Round | Amount | Lead investors |
| --- | --- | --- | --- |
| 14 Oct 2026 | [Series B](https://www.startuphub.ai/investment_rounds/harmonic-security-series-b-2026) | $50M | [Crosspoint Capital Partners](https://www.startuphub.ai/investors/crosspoint-capital-partners) |

## Tech stack

Detected on harmonic.security, last scanned 2026-10-16.

- **Compliance:** HIPAA, GDPR
- **Analytics:** Google Tag Manager
- **Support:** HubSpot
- **CMS / Builders:** Webflow
- **CDN:** Cloudflare
- **Email provider:** Google Workspace, SendGrid

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