Hacking Group “Everest” Allegedly Claims Nissan Motor Breach

Allegations surfaced on January 10, 2026 that the Everest ransomware group exfiltrated approximately 900 GB of sensitive data from Nissan, including IP, employee/customer records, and financial communications; Everest published sample data but the breach is pending verification and Nissan has not confirmed. Investigators are assessing scope while stakeholders are advised to increase monitoring, review segmentation and backups, and prepare for potential regulatory and phishing fallout.