Series B · Cybersecurity

Harmonic Security raises $50m Series B for workforce AI security

Crosspoint Capital Partners leads the financing as the platform reaches more than 100 enterprise customers.

Enterprise adoption broadens

The new round brings Harmonic Security’s total funding to $76 million. Existing investors also participated, alongside the new lead investor.

The company says its software now covers millions of employees. Its expansion from browser monitoring into desktop tools and agent workflows gives security teams a broader view of where corporate data is entering AI systems.

Use of funds

Expand engineering and go-to-market teams in the US and UK

Funding history

Series B · This round$50M

Sources

  1. Harmonic Security Raises $50M in Series B Fundingfinsmes.com · Oct 15, 2026
  2. harmonic.security