Solutions / Securing Claude
Secure Claude use across the workforce
Give employees room to use Claude while keeping sensitive data, connected systems, and agent actions within policy.
Talk to us about securing AIWho we work with
Why Harmonic for Claude
We make protecting Claude simple
For many employees, Claude has become the default interface for daily work. Harmonic shows you how your company uses Claude and applies context-aware guardrails that protect sensitive information and govern what agents do.
01Understand usage
Understand exactly how Claude is used
Discover Claude usage wherever employees work with it, including claude.ai in the browser, Claude Desktop, Claude Cowork and Claude Code. Monitor usage even when employees are on free or personal plans, and set plan-specific policies.
Understand exactly how employees use each surface down to the task level, including which use cases lead to the riskiest behavior and which are driving real productivity.
02Protect data in context
Protect sensitive information in context
Ensure employees never share information they shouldn't with Claude. Harmonic's models read through a conversation just like a human would, and understand what's sensitive in context rather than matching a fixed pattern.
Deliver inline controls across web and desktop with a clear explanation for employees of what triggered each warning or intervention.
03Govern agents
Govern agents without interrupting workflows
Monitor exactly what tools Claude Code and Claude Cowork agents are connecting to, and what actions they're taking on an employee's behalf.
When an agent attempts an action that isn't permitted, Harmonic intervenes in real time and explains exactly why, without stopping the workflow, so both the human and the agent stay on task.
Top resources
Resources for security teams securing Claude
Practical guidance for locking down Claude Desktop, Claude Code and Claude Cowork across your organization.
Guide
Securing Claude Cowork
A practitioner's guide to configuring and monitoring Cowork.
Guide
Securing Claude products
Settings and controls for claude.ai, Claude Desktop and Claude Code.
Demo
Securing Claude Cowork: demo
Watch Harmonic find and govern sensitive data in Cowork tasks.
Handbook
Anthropic security guidance
Controls and risk guidance for Claude Cowork, Claude Code and Claude Tag.
Frequently asked questions
Quick answers about securing Claude
Short, direct answers to what security and IT teams ask before bringing Harmonic in.
Is Harmonic compatible with AI tools beyond Claude?
Yes. Harmonic covers 1,000+ AI applications, including ChatGPT, Gemini and Copilot. The same policies apply whichever tool an employee picks.
Does Harmonic work with Claude Desktop?
Yes. Harmonic detects and monitors Claude Desktop as a native application on both macOS and Windows, giving you visibility that browser-only tools miss entirely.
Can I just block Claude at the firewall?
You can, but it won't hold. Employees will access Claude on personal devices, use mobile hotspots, or route around network controls. Blocking also removes the evidence of what people needed Claude for. A durable answer puts visibility and policy at the point of use: in the browser, on the endpoint, and at the MCP layer.
Get started
Build your AI guardrails for Claude
Gain the visibility and control you need to guide Claude use with confidence. Most teams see first insight in about 30 minutes.
What you'll see with Harmonic Security
- Your full Claude usage footprint: every surface, every team, every exposure.
- Inline guardrails that coach, warn, or block — firing in under 200ms.
- See and control what Claude Code and Cowork agents are actually doing.
- Coverage through the Browser Extension, Endpoint Agent, local MCP Gateway and Harmonic Connectors.
- Deployment in minutes via Intune, Jamf, or Kandji.
