Under Armour began notifying its users today, a mere four days after the breach. The company will be requiring MyFitnessPal users to change their passwords and is urging users to do so immediately.

The notice contains recommendations for MyFitnessPal users regarding account security steps they can take to help protect their information. The company's investigation is ongoing, but indicates that approximately 150 million user accounts were affected by this issue.įour days after learning of the issue, the company began notifying the MyFitnessPal community via email and through in-app messaging. Payment card data was also not affected because it is collected and processed separately. The affected data did not include government-issued identifiers (such as Social Security numbers and driver's license numbers), which the company does not collect from users. The investigation indicates that the affected information included usernames, email addresses, and hashed passwords - the majority with the hashing function called bcrypt used to secure passwords. Under Armour is working with leading data security firms to assist in its investigation, and also coordinating with law enforcement authorities. The company quickly took steps to determine the nature and scope of the issue and to alert the MyFitnessPal community of the incident On March 25, the MyFitnessPal team became aware that an unauthorized party acquired data associated with MyFitnessPal user accounts in late February 2018.

Under Armour issues the following statement.

Myfitnesspal and under armour