Everest ransomware gang claims Atlas Air breach, warns Boeing data at risk

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Everest ransomware gang claims Atlas Air breach, warns Boeing data at risk

Teiss • February 16, 2026

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The Everest ransomware cartel has claimed it stole 1.2 terabytes of data from Atlas Air, one of the world's largest cargo airlines, ...

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Everest Ransomware Claims Atlas Air Data Breach; Airline Denies Compromise The Everest ransomware gang claimed to have stolen 1.2 terabytes of data from Atlas Air, a major cargo airline, including sensitive information related to Boeing aircraft. In response, Atlas Air has denied any breach, asserting that its systems remain secure despite the claims made by the ransomware group. Cybernews researchers analyzed screenshots of the alleged stolen data, which included maintenance reports and internal documents. 2 sources 57

Extracted Entities

Attack Types (2)

Data Breach Ransomware

Companies (2)

Atlas Air Boeing

MITRE ATT&CK (1)

T1041 - Exfiltration Over C2 Channel

Ransomware Groups (1)