Company record · security vendor
Harmonic Security
What the company sells
Harmonic Security sells a workforce AI security platform that classifies AI tasks, discovers why employees and agents use them, and applies controls in real time. Harmonic Security raised a $50 million Series B round led by Crosspoint Capital Partners, bringing its total funding to $76 million, with participation from existing investors. Its products cover browser and desktop AI monitoring, agentic workflow governance through MCP, and data loss prevention tailored to generative AI use.[1][2]
- Categories
- Headquarters
- Not established from our sources
- Founded
- Not established from our sources
- Ownership
- Privately held
- CISO on record
- Not yet on our record. Send a verified source
- Website
- harmonic.security
Products and services
Product names as the company writes them; what each does, in our words, from the company's own product pages. Never how well it does it.
Harmonic Explore
Discovers how an organization's workforce uses AI tools.
Harmonic Guide
Provides real-time visibility and control across the browser and desktop for AI use.
Harmonic Command
Unifies governance of AI activity for both human employees and AI agents.
MCP Gateway[2]
A locally installed gateway that intercepts Model Context Protocol traffic to give visibility and control over an organization's agentic AI ecosystem.
Competitors and alternatives
The other companies on our record filed under the same categories, category by category: first those that lead with that category and share more of Harmonic Security's categories, then alphabetical. A list from the record, never a ranking.
On workforce ai usage security, Harmonic Security competes with Pluto Security, WitnessAI, Aurascape, Asymptote Labs, Onyx Security, Abnormal AI, Concentric AI, Fasoo, Keep Aware, Kovrr and 11 more.
On ai model and agent security, Harmonic Security competes with Asymptote Labs, Onyx Security, AIShield, Enkrypt AI, Knostic, Noma Security, Reco, SplxAI, Zenity, Alice and 41 more.
On data loss prevention, Harmonic Security competes with Fasoo, Next DLP, Cyberhaven, Forcepoint, Concentric AI, DTEX Systems, Keep Aware, Netskope, Polymer, Teramind and 14 more.
On ai governance, Harmonic Security competes with Cranium, Credo AI, Holistic AI, Asymptote Labs, Onyx Security, AIShield, Enkrypt AI, Knostic, Kovrr, Noma Security and 16 more.
References
Every fact above cites one of these by number. Tier A is the company itself, a regulator or a filing; tier B is trade or business press.
- [1]harmonic.securityHarmonic Security · harmonic.security · undated page, accessed November 3, 2026 · Tier A: the company, a regulator or a filing
- [2]Harmonic Security Raises $50 Million Series B Enabling Safe AI Adoption for Millions More EmployeesBusiness Wire · businesswire.com · published October 14, 2026 · Tier A: the company, a regulator or a filing
Last verified November 3, 2026. Our code found the quoted passage behind each fact on its source page when the fact was recorded, and re-checks every record against its sources each month.
Recorded November 3, 2026 from the references above.
Work for Harmonic Security? Suggest a correction to a fact on this page (with a source on your own domain), or claim this entry by publishing a small file on your domain.
Security leadership
CISO Tribune has not yet recorded who holds the top security seat at Harmonic Security. We add a seat only from a verified source; if you have one, send it to the desk.
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