Karri Huhtanen

CTO, Founder

Radiator Software

Karri Huhtanen has over 25 years of experience in Wi-Fi networking and roaming security, working with device and network equipment vendors, service providers, and universities. As the CTO and Founder of Radiator Software Oy, he leads the development of Authentication, Authorization, and Accounting (AAA) solutions that help organizations strengthen cybersecurity and secure network access worldwide.

Karri has been involved in the development of eduroam since its early days and is now also actively contributing to OpenRoaming initiatives and IETF standardization efforts. An engineer at heart, he can convincingly disguise himself as a CTO and company founder whenever the situation requires it.

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Expand Your Awareness RADIUS

Using RADIUS to improve network situational awareness

Most network administrators view RADIUS primarily as a gatekeeper—the “Yes/No” checkpoint for network entry. However, beneath the surface of simple authentication lies a massive, often ignored stream of real-time telemetry. Every access request and accounting packet contains critical metadata about the “who, what, where, and when” of your environment.

Past session

RADIUS in Action: Securing, Monitoring, and Protecting Network Infrastructure

This presentation explores how RADIUS strengthens network security with certificate-based authentication, 802.1X, RadSec, and MFA while ensuring resilience without cloud reliance. It also highlights how RADIUS authentication and accounting logs enhance network monitoring and situational awareness.