March 29 (UPI) -- Under Armour announced Thursday that users of its MyFitnessPal app may have been victimized by a massive data breach. An estimated 150 million accounts on the app were affected.
The sports apparel company said an "unauthorized user" obtained user data in late February, but was not aware of the breach until March 25. On Thursday, users of the app were notified via email and in-app messaging.