DisclosureLens
GLOBALMalwareHospitalityHospitalityRansomwareCl0pRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

Madison Square Garden Entertainment Corp.

bd_66b8b6b5e23d3e10 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Nov 21, 2025

To disclose

—

Affected

Not disclosed

Linked

4 filings

Confidence

50%

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Cl0p on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: Hospitality and TourismDiscovered: 2025-11-21
View aggregator listing on ransomware.liveView merged incident timeline

Source: Ransomware.live

Post text · scraped from the leak site

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.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Nov 21, 2025

Claim posted

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

—

Compliance clock

Not assessable

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 3 states

View merged incident ↗
Massachusetts State AGAug 20 · first
Leak Site+93d · this page
Illinois State AG+165d
Maine State AG+190d

Pattern: first filing Aug 20 (MA), last Feb 26 (ME) — a 190-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.