Everest is a ransomware_group tracked across 26 threat clusters and 42 intelligence report mentions on ThreatCluster. First observed November 3, 2025; most recent activity May 19, 2026.
As of February 12, 2026, organizations worldwide are experiencing an average of 2,090 cyber-attacks per week, largely driven by ransomware incidents. This increase highlights the ongoing challenges faced by businesses…
Liberty Mutual Insurance is facing a class action lawsuit due to a ransomware attack that exposed sensitive information of over 15,000 policyholders. The plaintiffs allege that the criminal group Everest accessed and…
A threat actor claims to have breached Ryanair, exposing sensitive flight compensation data on underground forums. The leaked data reportedly includes internal emails, booking records, legal case information, and…
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,…
The Everest ransomware group has claimed responsibility for a significant data breach at Under Armour, allegedly stealing 343 GB of sensitive information. This data includes customer details, purchase history, and…
Asus has been hacked by the Everest ransomware group, which has claimed responsibility for the data breach. The attack has raised significant concerns regarding the security of sensitive information within the tech…
On January 13, 2026, the Everest ransomware group attacked IDeaS.com, compromising its database and threatening to leak sensitive data. On the same day, the Sinobi ransomware group targeted Pilot Automotive, also…
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,…
Stellantis North America is being sued by Loria and Thomas Spadafore for allegedly failing to protect customer data during a ransomware attack by the Everest group. The breach, which occurred around December 25, 2025,…
Nissan has confirmed a data breach involving a third-party vendor after the Everest ransomware group claimed to have stolen 910GB of sensitive data, including customer and dealership information. The breach occurred…