https://www.bleepingcomputer.com/news/security/retail-giant-sams-club-investigates-clop-ransomware-breach-claims/ > ​Sam's Club, an American warehouse supermarket chain owned by U.S. retail giant Walmart, is investigating claims of a Clop ransomware breach. > The Walmart division operates over 600 warehouse clubs with millions of members across the United States and Puerto Rico and almost 200 additional locations in Mexico and China.