SEATTLE The Starbucks mobile app that allows customers to pay for drinks and food directly from their smartphones may leave passwords vulnerable, according to a Seattle Times report.

The Times reported the app saves usernames, passwords and other personal information in plain text, which means a hacker could pick up a left-behind phone, plug it into a laptop and easily recover the user info, without even knowing the smartphone's pin code.

Starbucks officials admitted the vulnerability, but said no customers have reported being hacked as a result.

KING 5 News' technology reporter Brian Westbrook shares tips on making your password less vulnerable to hackers.

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