Capability
Fibersystem AB: Secure Communication Hardware for European Defence Applications
What high-assurance fiber-optic communications hardware and TEMPEST-certified secure computing does Fibersystem develop?
Fibersystem AB is a Swedish defense-technology specialist founded in 1982 (though official. Strategic-technological profile; 18-page sourced DFM PDF report.
Full figures, sources and the complete assessment are in the report — Read the full DFM Analysis →
Part of our Defence & Dual-Use Companies and Policy, Procurement & Institutions coverage →
Original DFM publication · DFM Analysis report · 2026-02-01
Fibersystem AB is a Swedish defense-technology specialist founded in 1982 (though official founding details are scarce) and headquartered in Bromma, Stockholm . As a subsidiary of the Stockholm-listed Addtech AB (acquired in 2018) , Fibersystem develops high-assurance fiber-optic communications hardware and TEMPEST-certified secure computing solutions.
Its products – including one-way data diodes, rugged emission-protected PCs, fiber-optic switches, and KVM/HDMI isolation devices – are explicitly designed to prevent data leakage and emanation compromises.
This analysis answers: What high-assurance fiber-optic communications hardware and TEMPEST-certified secure computing does Fibersystem develop? How do its data diodes, emission-protected PCs and isolation devices prevent data leakage and emanation compromises? What is the significance of its ownership by Stockholm-listed Addtech AB? What readiness level, IP and capability gaps characterise its profile?
Continue with the full evidence
This public thread is the short analytical version. The full DFM Analysis report adds the underlying figures and data, the complete source base, and the full procurement & capital-market assessment behind this summary.
Need the full document as a standalone file? Buy the full report (PDF) — €299
Annual Professional unlocks the complete archive and DFM Intelligence (2,200+ company profiles) — See plans →
Original DFM analysis
Fibersystem AB: Secure Communication Hardware for European Defence Applications
FAQ
What is Fibersystem AB: Secure Communication Hardware for European Defence Applications?
Its products – including one-way data diodes, rugged emission-protected PCs, fiber-optic switches, and KVM/HDMI isolation devices – are explicitly designed to prevent data leakage and emanation compromises.
Related DFM Platform threads
- Protected Satellite Communications (Operational Priorities) Capability
- Comand AI: AI-Driven Command-and-Control and Operational Planning Capability
- Kongsberg Ferrotech: Subsea Robotics for Europe’s Critical Infrastructure Security Capability
- Microamp Solutions: Enabling Secure 5G and mmWave Technologies for European Defence and Strategic Autonomy Capability
- Sensnet Analytics: European Fiber-Optic Sensing for Critical Infrastructure Security Capability
- Mynaric: Laser Communication Terminals for Secure Space Networks Capability
Explore this category Strategic Autonomy
Professional requests (internal interest signal — not a marketplace; nothing is charged or promised)
See Professional & Institutional Access — plans, group/institutional seats and contact →
Defence Finance Monitor is an analytical and informational product. It does not constitute investment advice, financial advice or a recommendation to buy or sell securities. Subscriptions run on DFM Analysis. Payments for Professional Packs are processed securely by Stripe at checkout.
Professional comments
Join the discussion on DFM Analysis.
Read & subscribe on DFM Analysis →