'MGM Resorts properties in Las Vegas and throughout the country are back to normal operations,' spokesman Brian Ahern told The Associated Press. The company reported Wednesday that systems handling resort services, dining, entertainment, pools and spas were operational and its website and app were taking dining and spa reservations while the company worked to restore hotel booking and loyalty reward functions. But Moody also noted that MGM Resorts reports annual revenues above $14 billion, which would mean it averages at least $270 million in revenues per week. Gregory Moody, professor and director of the cybersecurity program at the University of Nevada, Las Vegas, pointed to quoted estimates that the computer shutdown cost the company up to $8 million per day, which could put the cumulative effect at $80 million. It said that its casino and online operations were not disrupted but it could not guarantee that personal information about tens of millions of customers, including driver’s licenses and Social Security numbers of loyalty rewards members, had not been compromised.Ĭaesars, based in Reno, is widely reported to have paid $15 million of a $30 million ransom sought by a group called Scattered Spider for a promise to secure the data.ĭetails about the extent of the MGM breach were not immediately disclosed, including the kind of information that may have been compromised and how much it cost the company. Rival casino owner Caesars Entertainment also disclosed last week to federal regulators that it was hit by a cyberattack Sept. It reported last week that the attack was detected Sept. “We are pleased that all of our hotels and casinos are operating normally,” the Las Vegas-based company posted on X, the platform formerly known as Twitter. LAS VEGAS - MGM Resorts brought to an end a 10-day computer shutdown prompted by efforts to shield from a cyberattack data including hotel reservations and credit card processing, the casino giant said Wednesday, as analysts and academics measured the effects of the event.

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