There was no immediate word on how many customers may have been affected.
Target’s pre-Christmas security breach was significantly more extensive and affected millions more shoppers than the company reported last month.
Target had previously claimed that its customers’ PIN information had not been breached.
Target on Tuesday denied a report claiming that personal identification numbers were also stolen in a data breach that affected up to 40 million credit cards.
The Department of Justice is investigating the credit and debit card security breach that affected more than 40 million Target shoppers.
The fallout from what’s being called the second-largest credit card breach in U.S. history prompted a big change in business by the nation’s biggest bank.
Senator Schumer has asked how customers can know if target has really fixed the problem when the store refuses to tell us what the problem was.
In an attempt to regain shoppers’ confidence, Target is offering a 10 percent discount in all of its stores this Saturday and Sunday.
The Secret Service says it is investigating a credit- and debit-card data theft at Target stores.