72.7M accounts from Under Armour (underarmour.com) were exposed in this breach. Besides email addresses, it included dates of birth, genders and geographic locations.
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Dates of birthEmail addressesGendersGeographic locationsNamesPurchases
In November 2025, the Everest ransomware group claimed Under Armour as a victim and attempted to extort a ransom, alleging they had obtained access to 343GB of data. In January 2026, customer data from the incident was published publicly on a popular hacking forum, including 72M email addresses. Many records also contained additional personal information such as names, dates of birth, genders, geographic locations and purchase information.
Source: Have I Been Pwned (CC BY 4.0)