Where does the MADISON SQUARE GARDEN ENTERTAINMENT CORP. case file come from?

Every entry is taken from the breach report MADISON SQUARE GARDEN ENTERTAINMENT CORP. lodged with the Illinois Attorney General. Nothing here is estimated.

Why do the incident date and the report date differ?

Companies usually investigate before they report. The gap between the two dates shows how long that took.

What does the records-affected figure count?

It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.

Does this case file change over time?

Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Case file

Case File: MADISON SQUARE GARDEN ENTERTAINMENT CORP. Data Breach

This file collects the dated facts on record for the MADISON SQUARE GARDEN ENTERTAINMENT CORP. incident. The state report is dated December 16, 2025.

Timeline

December 16, 2025Report filed in IllinoisDate the notice was lodged with the Illinois Attorney General.

Case facts

Filing state: Illinois
Date reported: December 16, 2025
Receiving office: Illinois Attorney General

Case notes

MADISON SQUARE GARDEN ENTERTAINMENT CORP. has submitted an official data breach notification to regulators in Illinois. This filing, dated December 16, 2025, publicly acknowledges an incident involving the potential compromise of personal information. The company has indicated that an investigation into the matter is currently underway.

The official filing does not specify the exact nature of the incident that led to this disclosure. Similarly, the document does not detail the specific categories of personal information that may have been exposed. MADISON SQUARE GARDEN ENTERTAINMENT CORP. has not yet released information regarding the number of individuals potentially affected by this event.

If you have received a direct notification letter from MADISON SQUARE GARDEN ENTERTAINMENT CORP. concerning this data breach, it is crucial to review the contents carefully. This letter should provide specific details about the incident, including the types of your data that were affected and any recommended actions or resources provided by the company.

As a general precaution, it is advisable to remain vigilant against potential identity theft or fraud following any data security incident. Consider monitoring your account statements and credit reports for any suspicious activity. You may also explore options for credit freezes or fraud alerts to help protect your personal information.

Details regarding this incident are drawn from public records submitted to state regulators. The company has stated that its investigation into the scope and impact of the breach is ongoing. Further information may become available as the investigation progresses.

Questions about this case file

Where does the MADISON SQUARE GARDEN ENTERTAINMENT CORP. case file come from?: Every entry is taken from the breach report MADISON SQUARE GARDEN ENTERTAINMENT CORP. lodged with the Illinois Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?: Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?: It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?: Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Illinois data breaches

Filing source: Illinois Attorney General

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Timeline

Case facts

Case notes

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