Sports & entertainment · Live events and venues · Entertainment company · USA
US live-entertainment company operating Madison Square Garden, Radio City Music Hall, the Beacon and Chicago Theatres.
The Breach Risk Index (BRI) is a proprietary 0–100 score rating how dangerous a breach is right now, based on how recently the data has been circulating on the dark web and how valuable it is to attackers.
Madison Square Garden Entertainment disclosed on February 26, 2026 that it was caught in the Cl0p ransomware groups mass exploitation of a zero-day in Oracle E-Business Suite. Attackers accessed the vendor-hosted Oracle EBS application (used for hiring and payment/HR) between roughly August 10 and October 21, 2025; MSGE discovered the compromise on December 16, 2025 and determined that files containing names and Social Security numbers had been accessed. A former employee later sued, citing roughly 131,070 current and former employees. Attackers also exfiltrated internal corporate financial, operational, and business documentation.
Full threat analysis, exploitation vectors, and principal guidance below.
10 additional sections · verified field analysis · defensive doctrine
~131,070 current and former employees records analyzed
Madison Square Garden Entertainment Corp. (MSGE) is a US live-entertainment company that operates the Madison Square Garden arena, Radio City Music Hall, the Beacon Theatre, the Chicago Theatre, and related venues and productions.
MSGE processes employee HR/payroll records (including SSNs) and corporate operational and financial documents, in addition to customer and ticketing data across its venues.
Exposure of employee names, addresses, and Social Security numbers creates direct identity-theft and payroll/tax-fraud risk for current and former MSGE staff; the broader corporate-document theft adds competitive and operational-security exposure. This is MSGs second major incident in under a year.
• Identity theft / synthetic identity from name + address + SSN | • Tax-refund and payroll fraud against employees | • SSN-based identity-verification bypass | • Corporate extortion leverage from exfiltrated financial/operational documents
A consumer-service breach: contact and account data supports phishing, account takeover and profile enrichment. For a high-profile principal this is targeting-grade, not merely identity-theft-grade: the combination lets an adversary locate, impersonate, or pressure the principal with little additional work.
Motivation: Financial extortion
A mature extortion group associated in public reporting with TA505 and FIN11-linked ecosystems. Cl0p is known for mass exploitation of managed file transfer products, including the 2023 MOVEit Transfer campaign exploiting CVE-2023-34362.
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