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Investigation OpenCA AG filing · February 26, 2026

Madison Square Garden Entertainment Files CA Data Breach Report

Madison Square Garden Entertainment Corp. filed a data breach report in California concerning an incident on August 10, 2025. This filing, made public on February 26, 2026, details an event where personal information may have been compromised. The company states the matter is currently under investigation, and affected individuals should remain vigilant.

State
CA
Breach date
August 10, 2025
Reported
February 26, 2026

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.

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.

Madison Square Garden Entertainment Corp. breach filing: questions and answers

Where can I see the official Madison Square Garden Entertainment Corp. breach notice?
Madison Square Garden Entertainment Corp.'s report is published by the CA Attorney General: https://oag.ca.gov/privacy/databreach/list#madison-square-garden-entertainment-corp-2026-02-26 Compare it with the letter you received to confirm the dates and details match.
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.
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 CA Attorney General on February 26, 2026. 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.
Can I sue Madison Square Garden Entertainment Corp. over the data breach?
It depends on what was exposed, the law in CA 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.
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.
Did Madison Square Garden Entertainment Corp. offer free credit monitoring?
Check your letter from Madison Square Garden Entertainment Corp.. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Signing up doesn't waive any legal rights you may have.
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.
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.

Source: CA Attorney General filing

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