Kroger e-mail system has been hacked by someone outside the company. Kroger stresses only the names and e-mails of customers who voluntarily submitted those addresses to the company may be affected. Company says you may receive spam messages from senders you do not know. For more information, you can call Kroger customer service at 800-KROGERS. For more info, call the Kroger.com/Kroger.uk or go to www.kroogers.com.
Source: https://thehackernews.com/2011/04/kroger-customer-database-hacked.html