US sportswear brand Under Armour confirmed, that personal details of about 150 million users of the MyFitnessPal app were compromised. The data breach is the largest this year and one of the top five to date. The stolen data includes account user names, email addresses and scrambled passwords. The company said on Thursday that the accounts were compromised in February, sending shares of the company down 3% in after-hours trade. The breach was not discovered until 25 March and users were informed four days later.