The Madison Square Garden Family of Companies (Madison Square Garden Sports Corp., Madison Square Garden Entertainment Corp., and Sphere Entertainment Co.)
ent_ef4251449337ccefcb142f0c
Disclosures
4
State AG · Leak Site · 4 jurisdictions
Incidents
1
filings grouped by incident
Max affected reported
11
as filed · State AG ME
Leak-site claims
1
unverified actor claims
Identity resolution
- Canonical name
- The Madison Square Garden Family of Companies (Madison Square Garden Sports Corp., Madison Square Garden Entertainment Corp., and Sphere Entertainment Co.)
- Normalized
- the madison square garden family of companies madison square garden sports corp madison square garden entertainment corp and sphere entertainment— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- msg.com
Disclosure history (4)newest first
- 🦞Maine State AGas victim2026-02-26
MSG Entertainment Corp. reported a breach affecting 11 Maine residents. An unauthorized actor exploited a previously undisclosed vulnerability in Oracle eBusiness Suite hosted by a third-party vendor, gaining access to names and Social Security numbers in August 2025. Investigation concluded November 2025; Maine residents identified December 2025. Notifications sent February 26, 2026. Vendor implemented Oracle-recommended fixes. One-year credit monitoring offered.
- 🐻California State AGas victim2026-02-23
The Madison Square Garden Family of Companies notified California residents of a data breach involving their Oracle eBusiness Suite. An unauthorized person exploited a previously undisclosed vulnerability in the application, hosted by a third-party vendor, to access data in August 2025. The investigation determined in late November 2025 that files containing names and Social Security numbers were accessed. The company engaged forensic investigators, notified law enforcement, and is offering one year of complimentary credit monitoring services.
- GLOBALLeak Siteas victim2025-11-21
MSG.com is a website owned by The Madison Square Garden Company, a sports and entertainment company based in the United States. The site features content pertaining to the company's various properties, including the New York Knicks, the New York Rangers, and Madison Square Gardens. It provides news, updates, event schedules, ticket purchasing options, and more.
- 🦬Montana State AGas victim2016-11-22
Madison Square Garden Company reported a data breach to the Montana Attorney General. The breach was reported on 2016-11-22. The breach occurred from 10/24/2016 to 11/9/2016.