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Harmonic Security raises $50 million in Series B funding led by Crosspoint Capital Partners to accelerate AI adoption for millions of employees.

PRIVATEOct 14, 2026

Amount Raised

$50 Million

Round Type

Series B

San FranciscoInformation Technology

Investors

Crosspoint Capital Partners

Description

Harmonic Security, the workforce AI security platform, has completed a $50 million Series B funding round. This round was led by Crosspoint Capital Partners with participation from existing investors. The funding will help accelerate the company's growth and enable safe AI use for millions of employees. Harmonic Security has secured a total of $76 million in funding to date.

Company Information

Company

Harmonic Security

Location

1390 MARKET STREET, SUITE 200

San Francisco, California, United States

About

Harmonic Security gives security teams the tools to protect sensitive data without the headaches of labeling and complex rules. Our pre-trained data protection models enable secure innovation through user education and gentle nudges. Recognized as an RSA Innovation Sandbox finalist in 2024, Harmonic Security redefines data protection for the GenAI era.

Fundz sees it the moment Harmonic Security raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

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Funding Insights

What this usually means
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach

Harmonic Security raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include FundzWatch™ for automated website change detection, Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.