According to an NBC News report, it's one of the biggest hacks in history. Some 150 million MyFitnessPal app accounts have been breached (including my account). The owner of the app, Under Armour, says the stolen information includes passwords, email addresses and account user names.

Under Armour says it's working with data security firms and law enforcement. They are also urging MyFitnessPal users to change their passwords immediately.

The company began notifying users of the breach yesterday (Thursday), four days after initially learning about the breach.

Credit My Fitness Pal
Credit My Fitness Pal

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