PF Chang's confirmed in June that data from credit and debit cards used at its restaurants was stolen, and now the company is providing more details on its ongoing investigation into the security breach, including a list of 33 restaurants that may have been affected and the dates that cards may have been compromised. The list, found in full here, includes PF Chang's restaurants in Baltimore; St. Louis; Pittsburgh; Austin, Texas; and Charlotte, North Carolina. The company said that potentially stolen data includes the card number and may also include the cardholder's name and/or the card's expiration date in some instances. (More security breach stories.)