Citi Mobile iPhone App Security Flaw Means Customers Should Update Now

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If you bank through Citibank on your iPhone, you might want to update it now: the Wall Street Journal is reporting that there is a security vulnerability in the last version of the Citi Mobile app that saves personal account information in a hidden file.

This hidden file contains information about account numbers, security access codes and bill payment information. While it can’t be accessed remotely, it could conceivably be accessed through a Mac or PC upon being connected by USB cable… particularly if the device is jailbroken.

“We have no reason to believe that our customers’ personal information has been accessed or used inappropriately by anyone,” Citi has said, while simultaneously releasing an updated version of the app that fixes the problem.