Latest Harmonic Security News & Updates

See the latest news and media coverage for Harmonic. We track all announcements, press releases, and industry mentions in real time, all in one place.

Harmonic Security (Harmonic)

AI governance and security platform

harmonic.security

Headquarters: San Francisco, United States
Founded year: 2023
Company type: Private company
Number of employees: 87–200
Industry: Software

Last updated October 14

Latest news about Harmonic Security (Harmonic)

In short: Harmonic raised $50M Series B, launched MCP Gateway, gained Gartner DLP recognition, and reported AI data exposure research.

Company announcements

October 14 Harmonic

Harmonic raises $50M Series B

Led by Crosspoint Capital Partners, total funding hits $76M. Funds accelerate product development and team growth to protect AI use.

June 5 Harmonic

Harmonic Security details best practices for securing Codex

The guide covers Codex's risk surfaces, admin configurations, and a phased rollout framework for security teams.

May 27 Harmonic

Harmonic Security launches AI Usage Explorer

The tool analyzes all AI interactions, classifies tasks, and maps them to business use cases.

April 30 Harmonic

Harmonic Security releases Skill Scanner

The free, open-source tool audits AI skills and plugins for security risks like prompt injection and credential exfiltration. It runs in-browser with no data leaving the device.

Media coverage

October 14 VentureBeat

Harmonic Security Raises $50 Million Series B, Enabling Safe AI Adoption for Millions More Employees

Crosspoint Capital leads new oversubscribed $50M Series B round with participation from existing investors bringing total funding to $76M SAN FRANCIS...

March 12 Investing.com

Harmonic provides update on Video business sale and reclassifies financials By Investing.com

Harmonic Inc. (NASDAQ:HLIT) reported Wednesday that it continues to pursue the previously announced...

November 13, 2025 Finanznachrichten

Harmonic Security: Over a Quarter (26%) of Uploads to GenAI Tools Contain Sensitive Data - an Increase of Over 4% in Just Three Months

The average organization must also grapple with the challenge of its employees using 27 distinct AI tools with 12% of data exposures coming from personal...

April 16, 2025 MarketWatch

Harmonic Is Recognized as a Representative Vendor for Data Loss Prevention by Gartner(R)

Harmonic Security has been recognized by analyst firm Gartner and listed among 20 'Representative Vendors in Data Loss Prevention'. The report states that 'today, the...

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