(CNN) — Arts and crafts retailer, Michaels, has some bad news for customers.
The company said today that it may have been hit by a security breach.
Michaels said it recently learned of "possible fraudulent activity" on some of its cusomters' payment cards.
CEO, Chuck Rubin, said the company has not confirmed a breach, but wanted to alert customers.
The company didn't say how many customers may be affected, when the shopped at the store, or if the possible braech affected in-store or online shoppers.
The news comes just weeks after retailers Target and Neiman Marcus acknowledged security breaches.
Michaels is advising customers to check financial statements for fraudulent activity.