Sports betting service BetMGM said personal information of its customers were obtained in an unauthorized manner, but did not specify the number of users affected, Reuters news report said.
The cyber security issue has affected customer information such as name, contact information, date of birth, hashed Social Security number, account identifiers and information related to transactions with BetMGM.
BetMGM did not respond when asked about the number of customers impacted by to the breach, which it believes occurred in May this year.
The company said it became aware of the matter on Nov. 28. BetMGM said it has no evidence that patron passwords or account funds were accessed in connection with this issue.
BetMGM’s online operations were not compromised.
Last month, sports-betting firm DraftKings reported a security issue wherein login information of some customers was compromised on other websites. DraftKings said it identified less than $300,000 of customer funds that were affected. DraftKings said it has not seen any evidence that would suggest the company’s systems were breached to obtain information.