Support
Contact options, a demo booking form, product documentation, a trust center, an AI security handbook and a glossary of terms are published. Regulatory mapping documentation is available on request.
Learn moreHarmonic Security
AI governance that classifies worker AI tasks and controls them inline
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What is Harmonic Security?
Harmonic Security is a content detector tool. An enterprise AI governance and control platform that discovers shadow AI across browsers, endpoints, IDEs and API calls, classifies each AI task by business context, and applies inline controls or coaching. It also governs autonomous agent actions at the MCP layer.
Harmonic Security is an AI governance and control platform built for organizations whose employees and AI agents now touch AI tools across browsers, desktop apps, command-line utilities, IDEs and API calls. Instead of relying on keyword matching, it reads the business context of each AI interaction, categorizes it by use case, and then applies real time controls at the point where the work happens. The vendor frames this as a three stage loop: collect at the source, categorize by intent, and control with policies that follow the work rather than blocking it wholesale. The product line splits into three parts. Harmonic Explore handles discovery, surfacing which AI applications are in use and who is using them. Harmonic Guide adds the employee facing layer, delivering contextual warnings and coaching inline when someone is about to paste sensitive material into a model. Harmonic Command gives security teams the policy engine, with enforcement options ranging from silent logging to real time blocking that can be scoped by tool, account, data type, user and action. A separate MCP Gateway extends policy to autonomous agent workflows, where no browser request exists to inspect and the relevant surface is the tool call itself. Deployment leans on existing device management. The browser extension and endpoint components can be pushed through Intune, Jamf, Kandji or Group Policy, and the MCP Gateway runs on Windows, macOS and Linux. Coverage grows as more endpoints and integrations come online, with the vendor stating that AI application activity becomes visible soon after rollout. Privacy controls are built in deliberately: HR, Finance, Ops and founder roles are excluded from reporting, employee names can be masked in the portal, the dataset is sanitized and frozen, and EU hosting is available on request. The platform sits alongside rather than replaces SASE and network security tooling, covering AI activity those tools cannot consistently see, and it goes broader than Microsoft Purview, which the vendor characterizes as Microsoft only and keyword based. It is aimed at security leaders in regulated or data sensitive sectors such as technology, legal, insurance and healthcare, and buyers should treat it as an enterprise deployment rather than a self serve product.
How do you use Harmonic Security?
1Try the console preview before talking to sales
Open the interactive platform preview to see how AI application activity is collected, categorized and acted on. It runs without a signup, so it is the fastest way to judge whether the workflow matches how your team thinks about risk.
2Read the workforce AI primer
The Safely Enabling Workforce AI resource explains how to govern employee and agent AI use without stalling the work. Useful for framing an internal policy before any technical rollout.
3Book a demo on your own AI traffic
The vendor runs the full collect, categorize, control loop against real activity rather than a canned dataset. Come with the tools you want covered, such as ChatGPT, Claude or Copilot, and the data types you care about.
4Review pricing and scope with the team
Pricing is discussed during the sales process, so confirm which surfaces are monitored versus inline enforced, and whether EU hosting is required for your jurisdiction.
5Deploy the extension and MCP Gateway
Push the browser extension and endpoint components through Intune, Jamf, Kandji or Group Policy, and install the MCP Gateway on Windows, macOS or Linux hosts. AI application activity should begin appearing in the portal as endpoints report in.6Start in warn and log, then tighten
Begin with silent logging and contextual coaching to establish a baseline, then add real time blocking for high confidence events involving sensitive data or risky accounts. Tune policy by tool, account, user and action rather than blocking categories of AI outright.
Pros and cons
Pros
- Classifies the meaning and business context of AI work instead of pattern matching strings, which reduces the false positive problem common to traditional DLPAI
- Covers surfaces network inspection misses, including desktop apps, command line tools, IDEs, AI APIs and MCP based agent workflowsAI
- Layered enforcement lets teams start with warn and log, then escalate to blocking for high confidence eventsAI
- Deliberate privacy design: HR, Finance, Ops and founders excluded from reporting, names maskable, EU hosting on requestAI
- Deploys through Intune, Jamf, Kandji or Group Policy, so it fits existing endpoint management rather than demanding a new oneAI
Cons
- Enterprise sales model with no self serve signup; the public preview console is the only hands free way to evaluate itAI
- Pricing is not published on the homepage, so budgeting requires a demo conversationAI
- No native mobile platforms are mentioned; coverage centers on browsers, desktop operating systems and the MCP GatewayAI
- Inline enforcement is surface dependent, meaning some monitored channels only log rather than blockAI
- Smaller and younger than the SASE incumbents it complements, which matters for buyers who want one vendor for everythingAI
How much does Harmonic Security cost?
Integrations
Endpoint deployment through Intune, Jamf, Kandji and Group Policy. Dedicated coverage pages exist for ChatGPT and Codex, Claude, and Microsoft and GitHub Copilot, plus monitoring of OpenAI API calls from scripts and other applications.
Learn moreFeatures
Discovery of AI applications across browsers, desktop apps, IDEs, command line tools and APIs; business context classification of each AI task; inline coaching and warnings for employees; real time blocking scoped by tool, account, data, user and action; MCP Gateway policy for autonomous agent actions; usage intelligence and audit logging for compliance; privacy controls including masked names and EU hosting.
Learn moreFrequently asked questions about Harmonic Security
How do you use Harmonic Security?
The walkthrough on this page covers 6 steps: 1. Try the console preview before talking to sales 2. Read the workforce AI primer 3. Book a demo on your own AI traffic 4. Review pricing and scope with the team 5. Deploy the extension and MCP Gateway 6. Start in warn and log, then tighten.What platforms does Harmonic Security support?
Harmonic Security is available on Web App, Browser extension, Windows, MacOS and Linux.What does Harmonic Security integrate with?
Endpoint deployment through Intune, Jamf, Kandji and Group Policy. Dedicated coverage pages exist for ChatGPT and Codex, Claude, and Microsoft and GitHub Copilot, plus monitoring of OpenAI API calls from scripts and other applications.What are the limitations of Harmonic Security?
Enterprise sales model with no self serve signup; the public preview console is the only hands free way to evaluate it. Pricing is not published on the homepage, so budgeting requires a demo conversation. No native mobile platforms are mentioned; coverage centers on browsers, desktop operating systems and the MCP Gateway.
Status
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Added10/21/2026
Platforms
Web AppBrowser extensionWindowsMacOSLinux
Pricing
Paid
