Petrobras — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
3
occurrences
First Seen
November 18, 2025
Last Seen
November 26, 2025

Petrobras is Brazil's state-controlled oil and gas giant, operating across exploration, production, refining and distribution.

Overview

Petrobras is Brazil's state-controlled oil and gas giant, operating across exploration, production, refining and distribution. As a high-profile critical infrastructure entity, it is a notable target for ransomware and cyber threats, with recent reports linking the Everest ransomware group to alleged compromises and targeting activity involving Petrobras.

Related Threat Clusters

  • Everest Ransomware Group Breaches Under Armour, Exposing 343 GB of Data

    The Everest ransomware group has claimed responsibility for a significant data breach involving Under Armour, reportedly stealing 343 GB of sensitive internal data. The exposed data includes customer information,…

    8 articles · Updated November 18, 2025
  • 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…

    2 articles · Updated November 20, 2025
  • Everest Ransomware Group Breaches Iberia and Air Miles España

    The Everest ransomware group has claimed responsibility for a significant breach affecting Iberia, Spain's national airline, and Air Miles España, the operator of a travel rewards program. They have stolen 596 GB of…

    3 articles · Updated November 26, 2025
  • 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 exfiltrated 90 GB of sensitive seismic and exploration data. The stolen data…

    2 articles · Updated November 20, 2025

Recent Intelligence Reports

  • Everest ransomware group targets Iberia and Air Miles España — Scworld · November 26, 2025
  • Petrobras allegedly compromised by Everest ransomware — Scworld · November 20, 2025
  • Hackers claim to target Brazil's oil giant Petrobas​ — Cybernews · November 18, 2025

CVSS v3.1 Breakdown