October 14th 2026, 2:18 PM
Harmonic Security Raises $50M to Secure AI Use in Enterprises
Key Summary
Harmonic Security has raised $50 million to build its workforce AI protection platform, which governs employee use of AI tools in real-time. The company aims to combat 'shadow AI' and deliver security governance without the need for heavy data classification. With its platform covering millions of employees at over 100 enterprise customers, Harmonic is expanding its reach through distribution partnerships and growing its engineering and go-to-market teams.
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Overview
Harmonic Security has closed an oversubscribed $50 million Series B round to build out its workforce AI protection platform.Background
The company was founded in 2023 and operates out of San Francisco and London. It has already passed 90 employees and has a total funding of $76 million.The Problem
Employees are pasting company information into AI tools, and security teams want to see it, and ideally stop the bad stuff, before it leaves the building.The Solution
Harmonic's platform governs employee use of AI tools in real-time. It inspects interactions as they happen and enforces controls based on what it finds.Key Features
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Partnerships
Harmonic has signed distribution partnerships with Climb Global Solutions and Distology to widen its reach through the channel.Founders
The founders are Alastair Paterson and Bryan Woolgar-O'Neill, both with prior track records in the cybersecurity sector.The channel partnerships with Climb Global Solutions and Distology are worth watching. Distribution through resellers can accelerate adoption among companies that do not buy directly from startups, and it can help a young company compete against incumbents with established sales networks.
#HarmonicSecurity#AI#Cybersecurity#EnterpriseSecurity#AIgovernance