Under Armour data breach (2025)
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.
- Victim
- Under Armour
- records
- 72.7M
Imported from Have I Been Pwned — pending editorial review and translation to French. The summary below is machine-extracted; consult the source for details.
In 2025-11-17, Under Armour was affected by a data breach. Approximately 72,742,892 accounts were exposed. 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.
Sources
- haveibeenpwned.comhttps://haveibeenpwned.com/PwnedWebsites#UnderArmour
- underarmour.comhttps://underarmour.com