Retailer Lakeland is warning customers of a potential data breach after a “ sophisticated and sustained attack ” last weekend that exploited a recently - identified Java flaw . The company has found that two encrypted databases were accessed , but so far it has been unable to find any evidence that the data has been stolen . hacked-binary-290x230-iSTOCK.jpg “ However , we have decided that it is safest to delete all the customer passwords used on our site and invite customers to reset their passwords next time they visit the Lakeland site , ” it told customers . The company has also advised customers that if the password they used for Lakeland is used for other sites and services , they should update the password for those accounts too . ;