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.
