http://krebsonsecurity.com/2014/07/sandwich-chain-jimmy-johns-investigating-breach-claims/ By Brian Krebs Krebs on Security July 31, 2014 Sources at a growing number of financial institutions in the United States say they are tracking a pattern of fraud that indicates nationwide sandwich chain Jimmy John’s may be the latest retailer dealing with a breach involving customer credit card data. The company says it is working with authorities on an investigation. Multiple financial institutions tell KrebsOnSecurity that they are seeing fraud on cards that have all recently been used at Jimmy John’s locations. Champaign, Ill.-based Jimmy John’s initially did not return calls seeking comment for two days. Today, however, a spokesperson for the company said in a short emailed statement that “Jimmy John’s is currently working with the proper authorities and investigating the situation. We will provide an update as soon as we have additional information.” The unauthorized card activity witnessed by various financial institutions contacted by this author is tied to so-called “card-present” fraud, where the fraudsters are able to create counterfeit copies of stolen credit cards. […]