The nature of the issue was not described, but the statement said efforts to protect data included 'shutting down certain systems.' It said the investigation was continuing.Ī social media account for MGM Springfield Poker said there was a problem shortly Monday morning. 'MGM Resorts recently identified a cybersecurity issue affecting some of the company's systems,' the company said in a statement that pointed to an investigation involving external cybersecurity experts and notifications to law enforcement agencies. MGM Resorts has confirmed hackers stole an unspecified. The incident began Sunday and the extent of its effect on reservation systems and casino floors in Las Vegas and states including Maryland, Massachusetts, Michigan, Mississippi, New Jersey, New York and Ohio was not immediately known, company spokesman Brian Ahern said. Learn more Casino myVEGAS Slots myVEGAS is the official mobile and Facebook game of MGM Resorts and MGM Rewards. The Las Vegas hotel and casino giant said it expects the cyberattack and data breach to cost the company at least 100 million in expenses. LAS VEGAS - A 'cybersecurity issue' led to the shutdown of some casino and hotel computer systems at MGM Resorts International properties across the U.S., a company official reported Monday.
