MasterCard and Visa have issued alerts about the alleged attack, sources tell Information Security Media Group. MasterCard has so far issued nine fraud alerts believed to be linked to Target. The alleged breach has not been confirmed by Target or major card brands Visa and MasterCard. An executive with a third card issuer suggests the attack may have only impacted debit and credit REDcard accounts, which are issued by Target Card Services. The attack is just the latest in a long line of card retailer card retailer breaches.”]
Source: https://www.inforisktoday.com/card-issuers-target-stores-breached-a-6308