Sources in the financial industry tell KrebsOnSecurity they have traced a pattern of fraud on customer credit and debit cards suggesting that hackers have tapped into cash registers at Natural Grocers locations across the country. The grocery chain says it is investigating “a potential data security incident involving an unauthorized intrusion targeting limited customer payment card data.” In response to questions from KrebsOnSecurity about a possible security breach, Lakewood, Colo. based Natural Grocers by Vitamin Cottage Inc
