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Madison Square Garden Entertainment Corp.
bd_0334e58252a387fe · schema v1 · pii pii-v1
Full breach record for Madison Square Garden Entertainment Corp. →5 incidents on fileMadison Square Garden Entertainment Corp reported a data breach to the Indiana Attorney General. The breach occurred on 2025-08-31 and was reported on 2026-02-26. 60 Indiana residents were affected. 38,393 individuals affected in total.
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Leak gap clock⏱ Leak >90d
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Incident timeline
Aug 31, 2025
Begins
Feb 26, 2026
Filed
This filing is one of 4 about the same incident.View merged incident
A leak claim by cl0p about this victim predates this filing by 97 days.View originating leak claim
Linked disclosures
Why this link?Regulatory filings (3) · sorted by filing gap
- New Hampshire State AGbd_6b451934dfaa0e992026-02-26Verified
- Massachusetts State AGbd_b6c209f6588cd0db2026-02-26Verified
- Nebraska State AGbd_ddcd5ecbe8f96f1a2026-02-26Verified
Filing propagation · 4 filings · 4 states
View merged incident ↗New Hampshire State AGFeb 26 · first
Massachusetts State AGFeb 26 · first
Nebraska State AGFeb 26 · first
Indiana State AGFeb 26 · first · this page
Evidence ladder
Leak-site claim
Attacker assertion only. Establishes: claim date, group, alleged victim.
Press / market report
Unlocks: incident narrative, operational impact. Still no compliance clock.
State AG / regulator filingThis record
Unlocks: discovery date, data types, affected count, compliance clock.
SEC 8-K / victim statement
Unlocks: materiality, stated response, full audit trail. Ceiling removed.