Cyberattack

Power Grid

Vestas — ransomware disrupts internal wind-industry IT

19 November 2021

Aarhus, Denmark (global company systems)

56.1600, 10.2000

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What happened

Wind-turbine manufacturer Vestas detected a ransomware attack that compromised internal IT systems and data across multiple business units. The company shut down affected systems, restored operations in stages and notified authorities. Vestas said wind-turbine operations were not affected and later reported no significant direct operational or financial impact, correcting the supplied characterization that the incident halted wind-farm operations worldwide.

When cited sources give different casualty, damage or spill figures for this event, they’re reported side by side above rather than merged into one number. See how confidence levels work.

Evidence
Documented
Confidence
High
Infrastructure
Power Grid
Current temperature
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Latitude
56.1600°
Longitude
10.2000°

Attribution

Responsibility has not been established in the cited reporting.

Sources

  1. Second update on cyber incidentVestas · Incident reporting
  2. Vestas announces preliminary 2021 figures and financial outlook for 2022Vestas · Company assessment of operational and financial impact