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HeimWall

Observability for the agentic workforce, catching secrets and PII without reading prompts.

HeimWall provides on-device observability for AI coding tools like Cursor, Claude Code, and Copilot. It detects and redacts sensitive data such as secrets and PII before they leave the engineer's machine, offering signal-based insights to managers without compromising privacy or developer workflow.

Freemium

How to use HeimWall?

Install the 15MB menu-bar agent on macOS. It captures prompts via Accessibility, clipboard polling, and a local TLS proxy. Tiered detection (regex and classifier) identifies sensitive data in under 50ms. Detected values are masked at the source, and managers see redacted signal, not raw content, on a dashboard.

HeimWall 's Core Features

On-device prompt capture and detection

Real-time sensitive data (secrets, PII) detection

Automatic data redaction before network transmission

Manager dashboard with signal, not content

Tool-agnostic: supports Cursor, Claude Code, Copilot, etc.

MDM/Jamf deployment for teams

Privacy-focused: prompts never leave the device by default

HeimWall 's Use Cases

Preventing accidental leakage of API keys and secrets

Ensuring compliance with data privacy regulations (PII detection)

Gaining visibility into AI tool adoption and usage patterns

Auditing sensitive data exposure in AI-assisted coding

Providing developers with real-time feedback on data handling

Securing proprietary code shared in AI prompts

Enabling secure AI tool adoption without blocking workflows

HeimWall 's Pricing

Solo

Individual developer, free forever.

Team

$50/seat/month

10-100 engineers, basic manager dashboard.

Business

$99/seat/month

100-1,000 engineers, full manager dashboard and integrations.

Enterprise

Custom

1,000+ engineers, on-prem, BYOK, SOC 2.

HeimWall 's FAQ

Most impacted jobs

Software Engineer

Engineering Manager

CTO

Head of Security

DevOps Engineer

IT Administrator

HeimWall 's Tags

#AI Security #Data Leak Prevention #Developer Observability #Prompt Security #Code Security #AI Governance #DLP #Agentic Workforce

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