The company said in a statement on Monday: 'MGM Resorts recently identified a cybersecurity issue affecting some of the Company's systems. Promptly after detecting the issue, we quickly began an investigation with assistance from leading external cybersecurity experts.
'We also notified law enforcement and took prompt action to protect our systems and data, Top 10 casino including shutting down certain systems. Our investigation is ongoing, and we are working diligently to determine the nature and scope of the matter.'