Madison Square Garden Entertainment Files CA Data Breach Report

Madison Square Garden Entertainment Corp. has officially reported a data breach incident to California regulators. The company filed its notice on February 26, 2026, documenting an event that occurred on August 10, 2025.

The public record indicates that this incident involved personal information. At this time, the specific categories of data involved are not detailed within the public filing. Madison Square Garden Entertainment Corp. has stated that an investigation into the matter is ongoing to determine the full scope and impact.

While the specific nature of the compromised information is still being investigated, individuals who receive notification letters are advised to carefully review the information provided by the company.

General protective measures include monitoring all financial account statements and credit reports for any suspicious or unauthorized activity. It is also recommended to use strong, unique passwords for all online accounts and enable multi-factor authentication wherever possible.

Those potentially affected should pay close attention to official communications from Madison Square Garden Entertainment Corp. for further guidance. Remain cautious of unsolicited communications that claim to offer assistance, as these could be phishing attempts.