Everest Ransomware Targets Petrobras, Exfiltrates 90GB of Data

Everest Ransomware Targets Petrobras, Exfiltrates 90GB of Data

First seen 2 Dec 2025, 18:33 UTC •CybernewsScworld •79% similarity •21.2

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Petrobras, Brazil's leading oil and gas corporation, has reportedly been compromised by the Everest ransomware group, which claims to have exfiltrated 90 GB of sensitive seismic and exploration data. The stolen data includes critical information on the Campos Basin, known for its high-quality oil reserves, and the hackers have threatened to expose the data unless negotiations occur.

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Everest Everest Group Abu Dhabi Department of Culture and Tourism AT&T BMW Coca-Cola Coca-Cola Europacific Partners Collins Aerospace