Denmark cybersecurity and digital infrastructure concerns

Denmark has faced increasing pressure to address vulnerabilities in its national IT infrastructure following several security incidents. In October 2026, Minister for Civil Protection and Emergency Management Lisbeth Bech-Nielsen announced a digital recovery plan, noting that critical areas of the nation’s digital systems were running on “old systems on a sea of critical areas.” This announcement followed a hack compromising the personal data of approximately 8.8 million people, alongside attacks on the Land Registry and the Fehmarn Belt Fixed Link contractor.

By November 2026, the situation escalated to include warnings from Prime Minister Mette Frederiksen. The Prime Minister urged citizens to prepare for cyberattacks, hybrid attacks, and other societal crises. These warnings were prompted by ongoing issues, including leaks of personal identification numbers, attacks on university websites, and incidents involving European supermarket cooling systems.

Adding to these concerns, a security report titled Nordic Digital Security 2026 by Telenor highlighted increasing threats from sabotage and geopolitical tensions affecting critical infrastructure across Denmark, Norway, Sweden, and Finland. Telenor CEO Lars Thomsen emphasized that while companies are investing heavily in security, Nordic nations must improve cross-border coordination and resource sharing to strengthen collective preparedness.