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Investigation OpenIL AG filing · December 16, 2025

Madison Square Garden Entertainment Corp. Reports 2025 Illinois Data Incident

MADISON SQUARE GARDEN ENTERTAINMENT CORP. has filed a data breach notice in Illinois on December 16, 2025, indicating an ongoing investigation into an incident. The filing reports that personal information may be involved, though specific details are not yet publicly available. Individuals who have interacted with the company should monitor their personal accounts for unusual activity.

State
IL
Reported
December 16, 2025

MADISON SQUARE GARDEN ENTERTAINMENT CORP. has submitted a data breach notification to the State of Illinois, with a filing date of December 16, 2025. This filing indicates an incident involving personal information is currently under investigation by the company.

The specific nature of the breach, such as how it occurred, has not been detailed in the public record. Similarly, the filing does not specify the types of personal information involved or the number of individuals potentially affected by this incident.

As the investigation into this matter is ongoing, MADISON SQUARE GARDEN ENTERTAINMENT CORP. has not yet released further specifics regarding the impact of the data breach. Such information is typically disclosed as the investigation progresses and more facts become clear.

Individuals who may be affected by this breach should take proactive steps to protect themselves. It is advisable to carefully review statements from banks and other financial institutions for any unauthorized transactions. Regularly checking credit reports for suspicious accounts or inquiries is also a recommended precaution.

Additionally, be cautious of any unsolicited communications, such as emails or messages, that claim to be from MADISON SQUARE GARDEN ENTERTAINMENT CORP. and ask for personal details. Legitimate organizations generally do not request sensitive information through unprompted electronic communications.

This information is based on official records filed with state regulatory bodies. Further updates will be provided as additional details from the ongoing investigation become available through official channels.

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

What to know about the MADISON SQUARE GARDEN ENTERTAINMENT CORP. data breach

Where can I see the official MADISON SQUARE GARDEN ENTERTAINMENT CORP. breach notice?
MADISON SQUARE GARDEN ENTERTAINMENT CORP.'s report is published by the IL Attorney General: https://databreachnoticetoattorneygeneral.illinoisattorneygeneral.gov/databreach-search#IL-26-02-1011 Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the MADISON SQUARE GARDEN ENTERTAINMENT CORP. data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Is the MADISON SQUARE GARDEN ENTERTAINMENT CORP. data breach letter legit or a scam?
A notice from MADISON SQUARE GARDEN ENTERTAINMENT CORP. in the mail matches the breach MADISON SQUARE GARDEN ENTERTAINMENT CORP. reported to the IL Attorney General on December 16, 2025. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact MADISON SQUARE GARDEN ENTERTAINMENT CORP. through a phone number or website you find yourself.
Did MADISON SQUARE GARDEN ENTERTAINMENT CORP. offer free credit monitoring?
Look for an enrollment code in your MADISON SQUARE GARDEN ENTERTAINMENT CORP. notice. Companies that offer free credit monitoring after a breach usually include it there, with a deadline to activate. Signing up doesn't waive any legal rights you may have.
Can I sue MADISON SQUARE GARDEN ENTERTAINMENT CORP. over the data breach?
It depends on what was exposed, the law in IL and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
Is there a MADISON SQUARE GARDEN ENTERTAINMENT CORP. data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against MADISON SQUARE GARDEN ENTERTAINMENT CORP.. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
How much could a MADISON SQUARE GARDEN ENTERTAINMENT CORP. data breach settlement or claim be worth?
There is no set amount, and no MADISON SQUARE GARDEN ENTERTAINMENT CORP. settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Do I need a MADISON SQUARE GARDEN ENTERTAINMENT CORP. data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Source: IL Attorney General filing

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