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.
- Key specs
- Type Smartphone
- Operating system iOS
- Screen size 4.7 inches
- Internal memory 16 GB
- Carriers (US) AT&T
- Dimensions 5.44 x 2.64 x 0.28 in
- Weight 5.04 oz
- Released 2015-09-25