https://cyberinsider.com/everest-ransomware-group-hits-5b-hospital-chain-mediclinic-threatens-data-leak/
Everest Ransomware Group Hits $5B Hospital Chain Mediclinic, Threatens Data Leak
May 27, 2025 - Everest ransomware gang claims breach of $5B healthcare giant Mediclinic, threatens to leak sensitive employee and internal data unless ransom is paid.
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https://hackread.com/everest-ransomware-data-theft-legacy-polycom-system/
Everest Ransomware Claims 90GB Data Theft Involving Legacy Polycom Systems
Feb 3, 2026 - Everest ransomware claims a breach involving legacy Polycom systems later acquired by HP Inc., alleging the theft of 90GB of internal data.
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https://hackread.com/everest-ransomware-mcdonalds-india-breach-customer-data/
Everest Ransomware Claims McDonalds India Breach Involving Customer Data
Jan 20, 2026 - The notorious Everest ransomware group is claiming to have breached McDonald's India, the Indian subsidiary of the American fast-food giant. The claim was
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https://www.bitdefender.com/en-gb/blog/hotforsecurity/everest-ransomware-group-claims-theft-of-1-5-million-passenger-records-from-dublin-airport
Everest Ransomware Group Claims Theft of 1.5 Million Passenger Records from Dublin Airport
The ransomware group Everest claimed responsibility on Oct 26 for a cyberattack that allegedly compromised over 1.