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Under Armour Investigates Data Breach Affecting 72 Million Customers

Under Armour Investigates Data Breach Affecting 72 Million Customers

First seen 23 Jan 2026, 22:10 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

Under Armour is investigating a data breach that compromised the email addresses of approximately 72 million customers. The breach was reportedly executed by a cybercriminal who posted the stolen records on a hacker forum. There are currently no indications that passwords or financial information were accessed.

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