Madison Square Garden Sports Corp. (MSGS) was targeted in an alleged cyber incident in June 2026, as claimed by the ShinyHunters threat actor group. The group alleged compromise of over 26 million records, including customer PII and other internal corporate data. At the time of reporting, there was no public confirmation from MSGS, nor any official breach notification or regulator filing. Reports indicate that the alleged exposure could include personal details related to ticket buyers, advertisers, sponsors, players, and contracts, though this information remains unverified.
While the threat actor claimed compromise of over 26 million records, this figure represents an unconfirmed claim and not a verified count of affected individuals. The specific types of PII and internal corporate data involved have not been officially detailed. No information is available regarding the states affected or when consumers were notified. The incident is based on an unverified threat actor claim, and no leaked sample was reported at the time. There is no indication of existing class action litigation or an MDL. MSGS is a publicly traded company. This is not identified as a vendor breach.
More details may emerge as investigations continue, and official notices are often delayed.