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Confirmed breach

Madison Square Garden Entertainment data breach

USUnited States · Madison Square Garden Entertainment Corp

Madison Square Garden Entertainment (United States) notified the Indiana Attorney General and the California Attorney General of a data breach on 26 February 2026. It affected 38,393 people. The breach began on 31 August 2025, 179 days before it was reported.

Status
Confirmed breach
People affected
38,393 people
Reported
26 February 2026
Breach began
31 August 2025
Time to tell
179 days (the median in California’s notices over the last year: 154 days)

What was exposed

The register’s list does not say what was exposed; the notice it links to (under Sources) usually does.

What the letter says

We have not read this letter yet.

Got a letter or email about this breach? Check it is real →

Read the letter (PDF), as filed with the California Attorney General.

Sources

Official notices are read by code from the regulator’s own register. More notices to Indiana, California. · Corrections and changes

If Madison Square Garden Entertainment had your data

  1. Look for Madison Square Garden Entertainment Corp’s own notice or letter: it should say what of yours was involved. Keep it.
  2. The register’s list does not say what was exposed; the notice it links to (under Sources) usually does. If Madison Square Garden Entertainment Corp has a password of yours, change it now to be safe.
  3. Expect scams that use your details: calls, texts or emails pretending to be Madison Square Garden Entertainment Corp, your bank or the police. Never give codes or passwords, never approve a sign-in you did not start, never move money.

One email to confirm first. We use your address only for this alert, and one click deletes it.

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From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Official registers · Corrections and changes · Found a mistake? Tell us and we correct it.