The security breach was apparently a part of a larger attack across the country, targeting roughly 60 Barnes & Noble bookstores in Florida, California, Connecticut, Illinois, Massachusetts, New Jersey, New York, Pennsylvania and Rhode Island.
Barnes & Noble spokeswoman Mary Ellen Keating told the Sun-Sentinel via email that the store couldn't give any more information regarding the Florida stores, due to the on-going FBI investigation.
Barnes & Noble disconnected all the effected PIN pad devices on September 14 after the breach was discovered. The company says it doesn't know the number of customers affected.
Customers using the Barnes & Noble website, mobile applications, its Nook devices or Nook apps were not affected by the security breach, according to the company statement.
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