In another data breach incident, the Nefilim Ransomware operators have leaked the data of Cosan.
About Cosan: Cosan is a public listed company, a Brazilian conglomerate producer of bioethanol, sugar and energy. According to Reuters, the company’s segments include Raizen Energia, Raizen Combustiveis, COMGAS, Cosan Logistica, Lubricants and Other business. The company’s other business includes other investments, in addition to corporate activities. The company offers Logistics services, including transportation, port loading and storage of sugar, leasing or lending of locomotives, wagons and other railway equipment, through its subsidiaries Rumo Logistica Operadora Multimodal S.A. (Rumo), logistic segment (Logistic).
Based on the information leaked, it appears the negotiation between the ransomware operators and Cosan failed, which lead to this leak.
Below is the message from the operators themselves:
Update: On April 1, 2020, the group leaked the second part of their leak (over 5.2GB compressed) as below:
Update: On April 22, 2020, the group leaked the third part of their leak (around 20GB) as below:
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