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.
- Date: Nov 17, 2025
- Domain:
underarmour.com
- Records Announced: 72,742,892
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Sources:
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Data:
It is unclear which categories of data were compromised in the Under Armour 2025 breach. This page will be revised as information becomes available.
- Imported:
- Records Imported: 115,362,319
- Number of lines: 115,362,364
- Size: 11.73 GB
- Passwords:
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