From CBS:
Officials at Jewel-Osco were warning customers of a data breach that might have given hackers access to credit card and debit card information, but said there is no evidence the data has been misused.
Jewel’s parent company, AB Acquisition, said the unauthorized access of customer data might have started as early as June 22, and ended as late as July 17.
“Third-party data forensics experts are supporting an ongoing investigation. AB Acquisition has not determined that any cardholder data was in fact stolen, and currently it has no evidence of any misuse of any such data,” the company said in a statement on its website.
Read more on CBS Chicago.