Incidents involving:
Under Armour confirmed a breach by the Everest ransomware group that exposed roughly 72.7 million unique customer email addresses along with names, dates of birth, genders, locations and purchase histories, leaked publicly after extortion failed and now reaching French customers.
In January 2026, sportswear brand Under Armour was hit by a data leak after the Everest ransomware gang published roughly 72.9 million stolen customer records online, including about 6.7 million people in France, exposing names, emails, dates of birth and purchase history.
In November 2025, the Everest ransomware group claimed to have stolen 343GB of data from apparel maker Under Armour. After no ransom was paid, customer data was leaked in January 2026, exposing roughly 72.7 million unique email addresses with names, dates of birth, genders, locations and purchase histories. This is a separate incident from the 2018 MyFitnessPal breach.