For direct technical support, security assessments, or ad-hoc troubleshooting, our secure remote maintenance service is available. The connection is based on the open-source software RustDesk and operates entirely over our private, GDPR-compliant relay infrastructure hosted in an ISO-27001-certified data center in Frankfurt am Main, Germany (no US cloud, no third-party servers).

🚀 Start Remote Support (Windows)

The client is fully pre-configured for the HeidelSec server. No installation or administrator privileges are required.

📥 Download HeidelSec Remote Support (.exe)

Direct download for Windows (~25 MB) · Standalone executable

3-Step Procedure:

  1. Download: Click the download button and save the file to your computer.
  2. Launch: Run the downloaded executable with a double-click.
  3. Share Credentials: Provide the displayed 9-digit ID and temporary one-time password to your HeidelSec consultant via phone or encrypted chat.

🔒 Security & Privacy

  • End-to-End Encryption: All display and input streams are encrypted end-to-end using modern cryptography (Ed25519 & ChaCha20-Poly1305).
  • Dedicated Infrastructure: Rendezvous and relay servers (rd.heidelsec.de) are exclusively hosted and operated by HeidelSec in Frankfurt am Main.
  • Full Transparency: You can see every action on your screen in real time and can terminate the session at any moment with a single click or by closing the application.

🍎 macOS & Linux

For macOS and Linux, download the official release and configure the HeidelSec connection parameters:

  1. Download the client from RustDesk Releases.
  2. In the application, click menu (three dots) ➔ Network ➔ Unlock network configuration.
  3. Enter the following parameters:
    • ID Server: rd.heidelsec.de
    • Relay Server: rd.heidelsec.de:21117
    • Key: RXrGGg6uCmWTiGsFXfotkQSGsIeuMWfe2khToCrk9TE=