Citigroup (C) warns that its original mobile banking application for Apple's (AAPL) iPhone...

|About: Apple Inc. (AAPL)|By:, SA News Editor

Citigroup (C) warns that its original mobile banking application for Apple's (AAPL) iPhone contains a security flaw and urges customers to upgrade to a new version, as the original accidentally saved account information in a hidden file on the user's iPhone.