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. Entertainment Data Breach

This file collects the dated facts on record for the Madison Square Garden Entertainment Corp. Entertainment incident. The state report is dated February 26, 2026.

Timeline

February 26, 2026Report filed in MassachusettsDate the notice was lodged with the Massachusetts Attorney General.

Case facts

Filing state: Massachusetts
Date reported: February 26, 2026
Receiving office: Massachusetts Attorney General

Case notes

Madison Square Garden Entertainment Corp. Entertainment, a major entity in the live entertainment and hospitality industries, filed a notice regarding a data security incident with the Massachusetts Attorney General on February 26, 2026. The company has stated that this event is currently under investigation to determine its full scope and impact.

The specific categories of personal information affected by this incident have not been detailed in the publicly available record. However, as a large entertainment company, Madison Square Garden Entertainment Corp. Entertainment typically handles a significant volume of personal and transactional data for its patrons, employees, and partners.

Data security incidents within the entertainment and ticketing sector can stem from various sources, including unauthorized access to customer databases or vulnerabilities in linked third-party systems. Such events can potentially expose personal information, leading to risks for those whose data is involved.

Individuals who receive an official notification letter concerning this incident should carefully review its contents. It is prudent to remain alert for any unusual activity across your personal accounts. Regularly checking financial statements and credit reports for unauthorized transactions can help detect potential misuse of your information.

As a general precaution, consider placing a fraud alert on your credit files with the three major credit bureaus. This can make it more difficult for unauthorized parties to open new accounts in your name. For additional security, a credit freeze can be implemented, restricting access to your credit report entirely until you temporarily lift it.

Questions about this case file

Where does the Madison Square Garden Entertainment Corp. Entertainment case file come from?: Every entry is taken from the breach report Madison Square Garden Entertainment Corp. Entertainment lodged with the Massachusetts 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.

Massachusetts data breaches

Named in the Madison Square Garden Entertainment Corp. Entertainment breach?

Attach your notice and a short note. An attorney checks it against this case file at no cost.

Timeline

Case facts

Case notes

Questions about this case file

More Massachusetts case files