MADISON SQUARE GARDEN ENTERTAINMENT CORP. data breach

Clerk's notes

On December 16, 2025, MADISON SQUARE GARDEN ENTERTAINMENT CORP. formally reported a data security incident to authorities in Illinois. This report indicates that an unauthorized event occurred, which is now under investigation to determine its full scope and impact.

A data breach involves unauthorized access to systems where personal information is stored. While the specific nature of this incident and the types of information involved are still being assessed, such events can raise concerns for affected individuals. The legal review of this incident is ongoing.

For those who may have received a breach notification letter from MADISON SQUARE GARDEN ENTERTAINMENT CORP., it is important to review its contents carefully. Although the specific data involved is not publicly detailed, any compromise of personal information warrants vigilance. Be alert for any unusual activity related to your accounts or identity.

We recommend that affected individuals keep a close eye on any communications from MADISON SQUARE GARDEN ENTERTAINMENT CORP. and remain attentive to any unexpected correspondence. Should you identify any suspicious activity, promptly report it to the relevant financial institutions or service providers.

Given the ongoing investigation, affected individuals may have questions about their rights and potential recourse. If you received a notification regarding this incident, you may be eligible for a no-cost case review to understand your options.

If a notification letter about this breach reached you, see every IL data breach on file or browse all cases.