Everest Ransomware Targets Petrobras, Exfiltrates 90GB of Data

Petrobras, Brazil's leading oil and gas corporation, has reportedly been compromised by the Everest ransomware group, which claims to have stolen 90 GB of sensitive data. The exfiltrated information includes critical seismic and exploration data related to the Campos Basin, which has been identified as having high-quality oil. The ransomware group is pressuring Petrobras to negotiate following the data breach.