BALTIMORE (WJZ) -- MGM Resorts International said it suffered a data breach last year.
Officials said the majority of the data that was exposed could be found in a phone book, but about 1,300 people had more sensitive data, like driver's license and passport IDs, hacked.
There's an MGM resort at the National Harbor in Washington, D.C.
MGM hasn't disclosed how many total customers were affected but said it notified impacted guests.
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