U.S. retailers are planning to form an industry group for collecting and sharing intelligence about cyber security threats in the wake of last years big attack on Target Corp. The National Retail Federation said on Monday it will establish an Information Sharing and Analysis Center, or ISAC, for the retail industry in June. ISACs are industry groups are set up under terms of a 1998 U.S. presidential directive to foster sharing of security information between the public and private sector. Retailers have been under pressure from Congress and consumers to bolster security since the attack on Target, which resulted in the theft of some 40 million payment card numbers and another 70 million customer records. We believe a heightened and well coordinated information sharing platform such as a retail ISAC is a vital component for helping retailers in their fight against cyber attacks, NRF Chief Executive Matthew Shay said in a statement.