Supermarket chain Big Y says someone attached a skimming device to a terminal in the Milford store. Another skimming device was also attached in a terminal in the Stratford store.

The devices can be used by scammers to steal personal information like credit card numbers.

Big Y says they are working with law enforcement, and they will notify any customers if any of their information was compromised.

Customers with questions or concerns are asked to contact Big Y at 1-800-828-2688.