UnderArmour Data Breach (2025)

Under Armour, an American sportswear and athletic apparel brand, was claimed as a victim by the Everest ransomware group in November 2025 in an attempted extortion alleging access to 343GB of data. Customer data from the incident was later published publicly in January 2026, exposing 73M email addresses. Many records also contained additional personal information such as names, dates of birth, genders, geographic locations and purchase information.