# Harmonic Security funding: rounds and investors > Harmonic Security has raised $68M across 2 rounds since 2024. Investors include Crosspoint Capital Partners, In-Q-Tel and Storm Ventures. Source: https://millionrounds.com/company/harmonic-security (Millionrounds; every figure on the page links to its filing or article) United States · [Series B startup](https://millionrounds.com/companies) # Who invested in *Harmonic Security* 2 rounds we have observed, with the 5 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. AI Cybersecurity Raised this month Funding summary Updated 26 Oct 2026 **$68M** raised across 2 rounds since 2024, from 5 sources **$18M** Series A **$50M** Series B - **Latest round:** Series B, $50M Oct 2026 - **Led by:** Crosspoint Capital Partners - **Step-up i:** 2.9× - **Investors:** 5 (1 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2025 2026 **$18M** Series A **$50M** Series B - **First round:** Series A, $18M - **Biggest round:** $50M - **Between rounds:** 2 years ## The rounds - **Oct 2026** Series B **$50M** *1 new* [Crosspoint Capital Partners](https://millionrounds.com/fund/crosspoint-capital-partners) Lead Reported by Google News search and 3 others - **Oct 2024** Series A **$18M** *4 new* [In-Q-Tel](https://millionrounds.com/fund/iqt) [Storm Ventures](https://millionrounds.com/fund/storm-ventures) [Eleven Ventures](https://millionrounds.com/fund/eleven-ventures-3) [Ten Eleven Ventures](https://millionrounds.com/fund/ten-eleven-ventures) Source recorded SEC filing: $17M sold, first sale Sept 2024 ## Founders and team From Harmonic Security's own website: 2 founders, 3 on the team. **Alastair Paterson** CEO & Co-Founder, Harmonic **Bryan Woolgar-O'Neil** CTO & Co-Founder, Harmonic - **Launch Harmonic Trust Center** Harmonic's Board and Investors - **Mike Janielis** Principal Information Security Architect - **Huy Ly** Team ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Series A** 2024 **Series B** 2026 [Crosspoint Capital Partners](https://millionrounds.com/fund/crosspoint-capital-partners) L [In-Q-Tel](https://millionrounds.com/fund/iqt) [Storm Ventures](https://millionrounds.com/fund/storm-ventures) [Eleven Ventures](https://millionrounds.com/fund/eleven-ventures-3) [Ten Eleven Ventures](https://millionrounds.com/fund/ten-eleven-ventures) ## Everyone who backed them [Crosspoint Capital Partners](https://millionrounds.com/fund/crosspoint-capital-partners) Private equity **1** round, led 1 [In-Q-Tel](https://millionrounds.com/fund/iqt) Accelerator **1** round [Storm Ventures](https://millionrounds.com/fund/storm-ventures) VC firm **1** round [Eleven Ventures](https://millionrounds.com/fund/eleven-ventures-3) VC firm **1** round [Ten Eleven Ventures](https://millionrounds.com/fund/ten-eleven-ventures) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=harmonic-security). ## Quick answers about Harmonic Security ### Who invested in Harmonic Security? Harmonic Security's investors include Crosspoint Capital Partners, In-Q-Tel, Storm Ventures, Eleven Ventures and Ten Eleven Ventures. Crosspoint Capital Partners led its latest round. ### How much has Harmonic Security raised? Harmonic Security has raised $68M across 2 rounds since 2024. ### When did Harmonic Security last raise? Harmonic Security's most recent round was a Series B of $50M in Oct 2026, led by Crosspoint Capital Partners. ### What was Harmonic Security's biggest round? Its most recent round, $50M in Oct 2026, is also its largest on record. ### Who backed Harmonic Security first? Harmonic Security's first round on record, in Oct 2024, was backed by In-Q-Tel, Storm Ventures and Eleven Ventures and 1 others. ### What stage is Harmonic Security at? Harmonic Security's latest named round is a Series B, in Oct 2026. ### Where is Harmonic Security based? Harmonic Security is based in the United States. ### Who led Harmonic Security's rounds? Crosspoint Capital Partners led the Series B in 2026. ## Companies like Harmonic Security In the same sector, and raised in the last eighteen months. [**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app