MGM said it was still working on fixing 'those channels.'Ĭaesars Entertainment, a rival casino owner, also disclosed last week to federal regulators that it was hit by a cyberattack on September 7. 10, MGM first became aware of the data breach, which affected casino and hotel computer systems across its Aria, Bellagio, and MGM Grand locations, including the company's corporate email, restaurant reservation, hotel booking, and digital key card access.ĭespite the company's announcement on X, formerly Twitter, on Thursday that operations had returned to normal, a number of users still reported issues with its mobile app. If you plan on staying at one of MGM Resorts' Las Vegas locations in the coming weeks, there's some good news: The casino and resort operator has managed to restore functionality to its customer-facing electronic systems following a cyberattack against its systems that lasted 10 days. Account icon An icon in the shape of a person's head and shoulders.