Defence Finance Monitor

Defence Finance Monitor

Fibersystem AB: Secure Communication Hardware for European Defence Applications

Strategic-technical assessment of Fibersystem AB’s role in electromagnetic protection, data isolation technologies, and contributions to EU sovereignty and NATO-compatible critical infrastructure syst

Feb 01, 2026
∙ Paid

Fibersystem AB is a Swedish defense-technology specialist founded in 1982 (though official founding details are scarce) and headquartered in Bromma, Stockholm[1]. As a subsidiary of the Stockholm-listed Addtech AB (acquired in 2018)[2][3], Fibersystem develops high-assurance fiber-optic communications hardware and TEMPEST-certified secure computing solu…

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