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EDEN PRAIRIE, Minn. - There's been a data breach at a number of Supervalu grocery stores, as well as at some of its stand-alone liquor shops.

The company said Friday that hackers accessed a network that processes store transactions. Account numbers, expiration dates, cardholders' names and other information may have been stolen.

Click here for a list of potentially impacted stores

Stores in Minnesota, Virginia, Illinois, Maryland, Missouri, North Dakota and North Carolina may have been affected.

The cards from which data may have been stolen were used at 180 Supervalu stores, including dozens of Cub Foods stores and some liquor stores between June 22 and July 17. A list of stores that may be impacted can be found on the Supervalu website.

Supervalu Inc. says that it hasn't determined if any such cardholder data was actually stolen and that there's no evidence of the data being misused, but that it was announcing the data breach out of "an abundance of caution."

"We have been investigating this and upon recognition of the intrusion the company took immediate steps to secure the network," said Supervalu Spokesperson Jeff Swanson. "Again, at this time, the company has no evidence of any misuse of that card data or that card data being stolen from the company."

Anyone with questions about the breach should call the Supervalu customer service line at 1-855-731-6018.

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