Latest / California / February 2026
Madison Square Garden Entertainment Corp.
Madison Square Garden Entertainment Corp. notified California AG on Feb 26, 2026 of a data breach, which occurred on Oct 21, 2025. Data exposed: Social Security number, Name.
All 2 filings by Madison Square Garden Entertainment Corp., state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)
- Organization
- Madison Square Garden Entertainment Corp.
- Source
- California AG · source record
- Date reported
- Feb 26, 2026
- Date(s) of breach
- Sunday, August 10, 2025Tuesday, October 21, 2025
- Residents affected
- Not published by this source
- Data exposed
- Social Security number Name
- Notice letter
- Sample notice (PDF)
- Discovered
- November 2025, as stated in the letter"The investigation determined in late November 2025 that an unauthorized person gained access to some data from the application in August 2025."
- Days to notice
- 128 days from the end of the breach window (Oct 21, 2025, no discovery date in the letter) to the California record (Feb 26, 2026). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
- Offered in the letter
- 12 months of credit or identity monitoring through Experian
- Third party
- The letter attributes the incident to a vendor or service provider
- First seen by BreachTally
- 2026-10-30 15:28 UTC
Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.
Not today? Take the free Monday digest: the week's filings by state and the largest by people affected. Once a week.
Other filings by Madison Square Garden Entertainment Corp.
| Organization | State | Reported | Residents affected |
|---|---|---|---|
| Madison Square Garden Entertainment Corp. | MA | Feb 26, 2026 | 169 |
Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.