MGM Resorts, which is the largest casino operator on the Las Vegas Strip, disclosed the breach on Monday. The company took “prompt action to protect our systems and data, including shutting down certain systems,” it said in a statement posted on social media.A spokesperson said the attack started Sunday night and affected properties companywide, with some slot machines taken offline and staff operating in “manual mode.
The Las Vegas-based company said it has notified law enforcement and began an investigation with the help of external cybersecurity experts. The FBI in Las Vegas didn’t respond to an email seeking comment.It wasn’t immediately clear who was behind the attack, and many details of the breach weren’t known.
A receptionist who answered the phone at the Borgata confirmed his account, saying she was told when she got into work at 4 p.m. Monday that the office internet had gone down around four hours earlier. Miller said they had checked in under his name on Sunday and went to switch to check in again on Monday under his wife’s name, but temporarily couldn’t because the systems were down. They finally got into their room about 4:30 p.m. and plan to stay three more nights.