Denmark's Critical Infrastructure Orgs Under Siege: Inside the Hell Week of Cyberattacks

Denmark experienced its largest cyberattack in history in May, with 22 critical infrastructure organizations being breached. The attacks targeted unpatched vulnerabilities in Zyxel firewalls, allowing attackers to gain control of the systems. Multiple groups were involved, including potentially the Russian GRU's Sandworm operation. The attacks highlighted the need for better cybersecurity measures and awareness in Danish critical infrastructure organizations.