MGM Resorts is facing 'ongoing' cyber incident that sent reservation and booking systems offline

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Casino and lodging operator

MGM Resorts

shut down a number of its computer systems including its website in response to a “cybersecurity issue,” the company said in a social media post Monday.The initial shutdown impacted nearly every aspect of the casino operator’s business. The outage affected the company’s reservation systems, booking systems and hotel electronic key cards systems. But the reservation systems that power their thousands of hotel rooms and the booking system that controls reservations for their restaurants are apparently still down, more than a day after the first reports of the incident began to circulate.MGM operates thousands of hotel rooms across Las Vegas and the United States. According to SEC filings, revenue from hotel rooms in Las Vegas exceeds that directly attributable to casino operations. The company reported Las Vegas room revenue of $706.7 millions for the quarter ending June 30 compared with casino revenue of $492.20 million for the same time period. We notified the law enforcement agencies and took immediate action to protect our data and systems, including shutting certain systems down. “

The FBI confirmed that it was aware of the “ongoing” incident but did not provide further information.

MGM shares closed down nearly 2.4% on Monday.

MGM’s website has been replaced by a landing page advising that patrons contact their hotels or casinos directly via phone. The exact time of the outage was not immediately known, but some social media users reported that MGM systems were down even as early as Sunday evening. In 2020, personal information of over 10 million MGM guests was published on a hacking website. The scope of government action beyond FBI involvement was not immediately known. In 2003, the government designated the “commercial facilities” sector, which includes gaming, lodging and other hospitality services, as critical infrastructure.