Alastair Paterson
CEO and Co-founder
Harmonic Security
Workforce AI governance that classifies and controls how employees and agents use AI
Community-submitted · content unverified. This organization has not verified ownership or the information in this profile.
About
Harmonic Security is a workforce AI security platform that discovers AI tools in use, classifies interactions by business context, and applies real-time inline controls for employees and AI agents across browser, desktop, and agentic workflows. Co-founded by Alastair Paterson, with teams in San Francisco and London. In October 2026 it announced a $50M Series B led by Crosspoint Capital Partners, bringing total funding to $76M (VentureBeat / Business Wire).
- Website
- harmonic.security
- Stage
- series-b+
- Location
- San Francisco, USA / London, UK
- Added via
- web
- Ownership
- unclaimed
Where to go
For people
- Homepageharmonic.security
For agents
Nothing listed yet.
Products
- Harmonic Command — AI governance and usage intelligence with real-time inline controls · Saas
- Harmonic Guide — Real-time AI policy enforcement and inline coaching controls · Saas