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Russian Legion Threatens Denmark with Cyberattack 'OpDenmark'

Russian Legion Threatens Denmark with Cyberattack 'OpDenmark'

First seen 4 Feb 2026, 10:22 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

The pro-Russian hacker alliance Russian Legion has threatened Denmark with a large-scale cyberattack, codenamed 'OpDenmark,' in retaliation for the country's planned military aid to Ukraine. The group demanded that Denmark withdraw a proposed 1.5 billion DKK support package within 48 hours, warning of escalated attacks if their demands are not met. The alliance includes several hacker groups and has already been linked to a recent DDoS attack on Denmark's health portal.

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