People search Madison Square Garden Entertainment data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 1 Madison Square Garden Entertainment-linked incident, with headline counts up to 131K+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Madison Square Garden Entertainment breach history matters
Madison Square Garden Entertainment operates in Entertainment (United States). Across indexed rows, recurring themes include ransomware and extortion, zero-day exploitation and malware. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2026 — 131K records (Oracle EBS zero-day, Clop)
Cataloged incident. Madison Square Garden Entertainment suffered unauthorized access Aug 10–Oct 21, 2025 via zero-day in Oracle eBusiness Suite (third-party vendor). Discovered Dec 16, 2025. Clop ransomware group suspected. Exposed: names, SSNs, physical addresses, hiring/payment records. Notifications began early 2026; one year credit monitoring offered. Exposed categories include Names, SSNs, physical addresses, hiring and payment records. BreachHistory cites approximately 131K+ affected records in this row. See the madison-square-garden 2026 record and canonical BreachHistory entry.
Patterns and analysis
- Ransomware and extortion — appears across multiple Madison Square Garden Entertainment catalog entries; prioritize controls that address this class of failure.
- Zero-day exploitation and malware — appears across multiple Madison Square Garden Entertainment catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Bookmark the Madison Square Garden Entertainment company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/madison-square-garden · Latest: madison-square-garden2026.
Sources: BreachHistory catalog (1 row for Madison Square Garden Entertainment), company and regulator disclosures cited in individual breach records.