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Citibank says iPhone app has security flaw

The wire services and the Wall Street Journal are reporting that the Citi Mobile app that Citibank offered to customers has a security flaw, and that it saved personal account information in a hidden file on users' iPhones. Our own Mike Rose reports that he got one of Citi's letters to customers warning them about the security issue.

The information saved on the iPhones included account numbers, bill payment information, and even security access codes. If customers synced their phones to a Mac or PC that information would also be on those computers and could theoretically be accessible by hackers.

"We have no reason to believe that our customers' personal information has been accessed or used inappropriately by anyone," Citi said.

The newest version of the Citi app is online and is listed as a 'mandatory' update for customers.


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