The hotel-casino operator is expected to disclose the cyberattack in a regulatory filing imminently, the people said. paid tens of millions of dollars to hackers who broke into the company’s systems in recent weeks and threatened to release the company’s data, according to two people familiar with the matter. (Rachel Aston/Las Vegas Review-Journal) Entertainment Inc. The Caesars Palace rotunda in Las Vegas, Tuesday, March 14, 2023.