The Agentic AI Blind Spot

Agentic AI workflows are changing how work gets done by linking AI models to company data, APIs, and systems. This boosts productivity but creates a new, largely unseen attack surface outside traditional security controls. Sensitive data can flow between AI tools and business systems without oversight, leaving teams unaware of which MCP clients and servers are in use. Without clear visibility and control, enterprises risk data leakage, workflow hijacking, and compliance gaps.

Top Resources for Security Teams

CISO Guide to MCP Risk

Understand the top risks from MCP server use

MCP Documentation

Read more about MCP Gateway deployment options and more

AI Usage Index

Explore usage trends, create charts, and export images.

Harmonic Security MCP Gateway

The Harmonic MCP Gateway is a developer-friendly, locally installed gateway that gives security teams complete visibility and control over their organization's agentic AI ecosystem. It transparently intercepts all MCP traffic, allowing you to discover clients and servers, enforce policies, and prevent the exposure of critical intellectual property.

Complete Visibility into Agentic Workflows

You cannot secure what you cannot see. Automatically discover and inventory all MCP clients (e.g., Cursor, Claude Code) and servers, whether they are official vendor builds or locally built tools.

  • Usage Analytics: Understand which employees are using which clients or servers and how frequently via centralized dashboards.
  • Invocation Logging: Capture detailed audit logs of every interaction between clients and servers for forensic analysis and compliance.

Granular Policy Enforcement & Data Protection

Move beyond coarse blocking. Define and enforce global policies to block entire MCP servers or restrict specific high-risk capabilities, such as tools that can write to production databases.

  • Real-Time Data Inspection: Leverage pre-trained sensitive data models to inspect MCP traffic in real time, identifying unstructured sensitive data like source code, financial projections, and strategic plans.
  • Prevent Leakage: Block the transfer of sensitive information before it leaves your environment or reaches an unauthorized agent.

Intelligent Feedback & Remediation

Security controls should not break engineering workflows. When sensitive data is detected, the gateway provides contextual, detection-specific feedback directly to the MCP client.

  • Agent Coaching: This feedback coaches the AI agent on why an action was blocked, allowing it to find a safe, alternative path to complete its task.
  • Reduce Friction: Enable safe AI adoption by resolving policy violations automatically without requiring manual intervention from the security team.

FAQs

Quick answers about Harmonic Security

How is this different from Zscaler or NetSkope?

Harmonic does not rely on a fixed list or single category of AI tools. It finds AI wherever it appears and evaluates the actual data being shared, delivering controls that Netskope and Zscaler cannot match.

How is the MCP Gateway deployed?

Deployment takes only minutes and can be rolled out to your entire organization through Group Policy Object, Microsoft Intune, JAMF or Kandji. The lightweight gateway requires no complex infrastructure or configuration and runs seamlessly on Windows, macOS, and Linux, providing every team with an immediate and consistent secure foundation for agentic workflows.

What is Harmonic Security's technical differentiator?

Harmonic uses purpose built small language models that understand user intent and sensitive data in milliseconds. This low latency analysis lets you enforce inline controls without slowing work down, rather than staying stuck in passive monitor mode.

Mike Janielis, Principal Information Security Architect
Customer Success
"While we did understand what people were using — because we had that visibility — we didn't know how they were using it, and the data leakage was definitely a big one. ... That's when we went looking for outside help. ... It's literally hours to seconds. If we deploy a tool and it's covered by Harmonic, we have insight right away."

Mike Janielis

Principal Information Security Architect

Huy Ly, Director IT Infrastructure/Security,
Monolithic Power Systems
Customer Success
GenAI is the Wild West right now, but Harmonic gives me the insights I need to get in control. Harmonic uncovers blindspots, including unauthorized and risky AI applications my employees are using.

Huy Ly

Director IT Infrastructure/Security,
Monolithic Power Systems

Build Your AI Guardrails Now

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As every employee adopts AI in their work, organizations need control and visibility. Harmonic delivers AI Governance and Control (AIGC), the intelligent control layer that secures and enables the AI-First workforce. By understanding user intent and data context in real time, Harmonic gives security leaders all they need to help their companies innovate at pace.
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