SolarWinds hackers remained hidden in Denmark’s central bank for months


Russia-linked threat actors infected the systems of Denmark’s central bank (Danmarks Nationalbank) and maintained access to its network for more than six months.

The security breach is the result of the SolarWinds supply chain attack that was carried out by the Nobelium APT group (aka APT29, Cozy Bear, and The Dukes).

The intrusion was revealed by the technology outlet Version2, which obtained official documents from the Danish central bank through a freedom of information request.

“Some of the world’s most sophisticated hackers have had an IT backdoor at Danmarks Nationalbank for seven months. Danmarks Nationalbank itself cannot rule out that the suspected Russian state hackers have abused the back door to further compromise Danmarks Nationalbank.” states Version2.

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