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Xona Critical System Gateway

self verified

Xona Critical System Gateway (CSG) is a browser-based, hardened platform that uses protocol isolation and encrypted display to securely deliver access to any industrial system or application. Xona CSG customers can leverage YubiKeys for multi-factor user authentication.

Secure remote access

Xona CSG enables customers to easily provision YubiKeys and maintain a high level of session security for remote access to critical systems.

Cost effective

Xona CSG elegantly combines browser-based MFA, protocol isolation, granular system authorization, user access logging, and screen recording into a simple gateway platform.


Xona does not require any agents or clients on the customer’s desktop, laptop or mobile device to deploy and maintain, addressing a broad range of use cases based on role or device.

self verified
Self-verified listing

This product integration meets passing criteria for usability. This information is submitted by the product owner and shared with Yubico.

Identify your YubiKey
  • Remote Access
Compatible legacy YubiKeys
  • Fido U2F Security Key
  • Security Key
  • YubiKey 4
  • YubiKey 4 Nano
  • YubiKey 4C
  • YubiKey 4C Nano
  • YubiKey Edge
  • YubiKey Edge-n
  • YubiKey NEO
  • YubiKey NEO-n
Product overview

Xona CSG provides secure remote access that is compliant, enables multi-factor authentication (MFA), is easy to install and administer, cost-effective, allows moderated secure file transfer, and requires no additional software other than a modern web browser.Xona CSG supports Yubico OTP, FIDO2/WebAuthn, and Universal 2nd Factor (U2F) to enable hardware-backed authentication with the YubiKey across modern and legacy systems.

Security protocol support
  • One Time Password - Yubico OTP (Custom configuration required)
  • FIDO2/WebAuthn
  • Universal 2nd Factor (U2F)
Desktop/laptop platform support
  • Linux
  • macOS
  • Microsoft Windows
Browser support
  • Brave
  • Chromium
  • Google Chrome
  • Microsoft Edge
  • Mozilla Firefox
  • Safari

Get started

Get started using Xona Critical System Gateway with the YubiKey.

Interested in this service?

Visit Xona Critical System Gateway for more information.

Does your product support YubiKey authentication? Join the Works with YubiKey Program.