Danish ministers have declined to comment on the event as concerns grow over national security, coming just after authorities raised the threat level for destructive cyberattacks from medium to high last week. The Fehmarnbelt Tunnel is a multibillion-euro infrastructure project that will link Denmark and Germany via a rail and road link, reducing crossing times to about 7 minutes by train or 10 minutes by car, with a target completion date of 2029.
Tuesday, October 20, 2026
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Cyber Attack Disrupts Multibillion Euro Fehmarnbelt Tunnel Construction
Cybersecurity7 days ago
Femern Link Contractors (FLC) has reported a cybersecurity breach that disabled core IT systems and stalled operations at its construction site in Rødbyhavn, Denmark. Project owner Sund & Bælt confirmed that the incident has blocked employee access to Wi-Fi and company emails and forced security guards to manually register workers at entrances. Several construction vessels are reportedly idle because their operational data is inaccessible, and the disruption is believed to have begun on Monday night.
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