Over a week after a cyberattack damaged its systems, MGM Resorts (MGM.N) declared on Wednesday that its hotels and casinos were operating normally. However, it said it was trying to fix problems at the opulent Excalibur hotel and casino in Las Vegas.
However, digital keys and smartphone check-in were not available at MGM hotels on Wednesday, and the chain reported that physical keys were being given to visitors instead.
According to researchers, who cited two persons familiar with the situation, the firm, which manages more than 30 hotels and gaming facilities abroad, including in Macau and Las Vegas, was targeted by the financially-motivated hacking group ALPHV claimed the MGM hack in a post on its website Friday, and warned MGM of further attacks if it didn't strike a deal. It's unclear how much ransom ALPHV has demanded. Excalibur, a sizable hotel and casino in Las Vegas, is one of MGM's properties. "Guests at Excalibur may continue to see casino cashiers and slot guest representatives as we work to normalize operations," the company stated in a statement on its website.
Over the past week, social media posts have shown hotel visitors standing in huge lines and broken gaming equipment at its Las Vegas locations.
"Our slot machine ticket-in/ticket-out systems are back up and running, and our casino cashiers and slot guest service representatives are happy to help guests who may experience intermittent issues," it said. It stated that it was not providing cash advances or check cashing while the ATMs were operational.
Google's Mandiant Intelligence last week called Scattered Spider, also known as UNC3944, as one of the most disruptive hacking outfits in the United States. Bradbury said Mandiant's description of the group's tactics aligned with what Okta had observed in the recent hacks.