Target Corp. confirms that a network intrusion may have exposed approximately 40 million debit and credit accounts. U.S. point-of-sale transactions conducted between Nov. 27 and Dec. 15 were likely affected. MasterCard and Visa have both issued alerts about the alleged attack, sources say. Target says it “has identified and resolved the issue,” and is now working closely with law enforcement and banking institutions. The company did not say how the network was penetrated, but it has confirmed that the breach began two days earlier.”]
Source: https://www.cuinfosecurity.com/target-40-million-cards-at-risk-a-6310