The Brazilian multinational mining company Vale was invaded and supposedly confidential internal documents were withdrawn and leaked by invaders. Hackers would have taken advantage of an opensoftware toolbox for team collaboration to retrieve minutes and extract security incidents and incidents around the world. This type of extraction is characterized as Google Hacking. 

https://www.tecmundo.com.br/seguranca/138314-vale-hackeada-documentos-mostram-empresa-lida-acidentes.htm