Vestas data became public due to ransomware attack which was done by hacker.
Vestas said in a statement , The hackers managed to retrieve data from the compromised internal file share system have made some of the compromised data public.
"id": "VES134111221",
"linkid": "vestas",
"type": "Ransomware",
"date": "12/2021",
"severity": "40",
"impact": "3",
"explanation": "attack with signifiant impact with internal employee data leaks"