Caesars and MGM did not respond to requests for comment on the amount of data that was breached.Ĭaesars reported to regulators on Thursday it had found that on Sept. The group's contact was provided to Reuters by a cybersecurity expert who runs an online repository of malware samples called 'vx-underground,' and declined to be named. Speaking to Reuters via the messaging platform Telegram, a representative for the group said it did not plan to make the data public and declined to comment on whether it had asked the companies for ransom.
The Scattered Spider hacking group said on Thursday it took six terabytes of data from the systems of multibillion-dollar casino operators MGM Resorts International and Caesars Entertainment as both companies probed the breaches.