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Hilton says checking claims of hacking at hotels

(Reuters) – Hilton Worldwide Holdings said on Saturday it was investigating claims that hackers had compromised registers in gift shops and restaurants at a large number of Hilton Hotel and franchise properties across the United States. Cyber-security blogger Brian Krebs said in a post on Friday that Visa Inc had sent confidential alerts to financial organizations warning of a breach at a business between April 21 and July 27.Sources at