“There’s been attacks against multiple casinos, and it’s possible we’ll see more.”Ĭaesars Entertainment is the largest casino owner in the world, with more than 65 million rewards members and properties in 18 states and Canada under the Caesars, Harrah’s, Horseshoe and Eldorado brands. “At this point, all casinos should be moving to the highest defensive posture possible and taking active measures to verify the integrity of their systems and environment, and reviewing - if not activating - their incident response processes,” said Christopher Budd, a director of threat research at cybersecurity firm Sophos X-Ops. FBI spokeswoman Sandra Breault in Las Vegas declined to comment and referred to a previous statement by the agency saying an investigation was ongoing.Įxperts said the attacks exposed critical cybersecurity weaknesses at MGM and Caesars and shattered an image of casino invulnerability.
