Tesorion Employee Directory
Computer and Network SecurityUtrecht, Netherlands51-200 Employees
Tesorion is a Dutch independent provider of managed security services for private and public organizations. It delivers 24/7 Managed Detection & Response from its Security Operations Center in Nieuwegein, in the Utrecht region. The MDR offering is supported by an in-house Intelligence Driven Protection team and a Computer Emergency Response Center, which provide contextual threat intelligence and incident response capabilities. Based in the Netherlands, Tesorion operates as an independent MSSP in the computer and network security sector, serving both private and public sector clients seeking continuous monitoring and response capabilities. A recent development is the February 2026 partnership with Passguard, which expands visibility into infected devices and related stolen sessions and credentials.