Hy-Vee investigating data breach at some locations

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TOPEKA, Kan. (WIBW) -- Hy-Vee is warning customers about a potential credit card data breach affecting its gas stations, coffee shops, and restaurants.

According to the grocery chain, some of its payment processing systems showed unauthorized activity taking place. They immediately began investigating, enlisting the assistance of a cyber-security firm. The investigation targets fuel pumps; drive-thru coffee shops; and restaurants, including Market Grilles, Market Grille Expresses, and the Wahlburgers it owns.

Hy-Vee says they believe the activity has been stopped.

The company explains the affected systems use different point-of sale systems than their grocery stores, drugstores, and inside the convenience stores. Those systems use point-to-point encryption technology that makes data unreadable. They say those transactions were not involved in the breach.

No other information about the incident is available. Hy-Vee said its investigation is still in its early stages. They plan to notify customers as they get a better idea about which stores are affected.