Privacy Policy

Last updated: January 2026

1. Introduction

NetSim Labs ("we", "us", or "our") operates netsim.dev, app.netsim.dev, and usezn.com. This Privacy Policy explains how we collect, use, and protect your information.

2. Information We Collect

  • Account Information: Email address when you create an account.
  • Usage Data: Anonymous analytics on feature usage to improve our products.
  • Technical Data: Browser type, device information for debugging purposes.

3. Client-Side Processing

NetSim: The network simulation engine runs entirely in your browser using WebAssembly. Your topology configurations and lab progress are processed locally and are not sent to our servers unless you explicitly enable cloud sync.

ZN: When using ZN, policy evaluations happen locally via Wasmtime. Audit logs are stored according to your configuration (local or cloud).

4. Data Retention

We retain account data for as long as your account is active. You can request deletion of your data at any time by contacting us at privacy@netsim.dev.

5. Third-Party Services

  • Vercel: Hosting and serverless functions
  • Stripe: Payment processing (for Pro/Enterprise plans)
  • Google Gemini: AI features (when enabled by user)

6. Contact Us

For any privacy-related questions, contact us at: privacy@netsim.dev