DisclosureLens
HackingTechnologyHospitalityInformationVulnerability ExploitSupply Chain (3P Vendor)TargetedIdentity (basic)Government IDMediumContained

The Madison Square Garden Family of Companies

bd_39f83d65f30204f1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 1, 2025

Filed

Feb 26, 2026

To disclose

17 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

64%

The Madison Square Garden Family of Companies notified consumers of a data breach involving Oracle eBusiness Suite. An unauthorized party exploited a vulnerability in the application, hosted by a vendor, to access workforce and financial data including names and Social Security numbers starting in August 2025. The incident was discovered in November 2025. Affected individuals were offered one year of credit monitoring.

Vermont clock✗ VT AG >45 bday17 weeks discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 92 days
discovery → filing · 17 weeks / 117 days

Aug 1, 2025

Begins

Nov 1, 2025

Discovered

Feb 23, 2026

Scope determined

Feb 26, 2026

Filed

vs. sector median

2 wks faster

This filing is one of 2 about the same incident.View merged incident
Part of ORACLE CORPORATION supply-chain incident (2025) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
California State AGFeb 26 · first
Vermont 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.