Madison Square Garden Entertainment Corp.
bd_bac334239d2900d9 · schema v1 · pii pii-v1
Full breach record for Madison Square Garden Entertainment Corp. →5 incidents on fileThe Madison Square Garden Company (MSG) notified customers of a payment card data breach affecting transactions at MSG venues in New York and Chicago between November 9, 2015, and October 24, 2016. External unauthorized access to MSG's payment processing system allowed the installation of a program that captured magnetic stripe data, including card numbers, names, expiration dates, and verification codes. MSG discovered the incident in late October 2016 after banks identified suspicious transaction patterns. The company engaged security firms, contained the breach, and implemented enhanced security measures. No specific count of affected individuals was disclosed.
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Incident timeline
Nov 9, 2015
Begins
Oct 24, 2016
Discovered
Nov 22, 2016
Filed
Linked disclosures
Why this link?Regulatory filings (5) · sorted by filing gap
- Montana State AGbd_07b27eb35a2469f72016-11-22Candidate
- Oregon State AGbd_95f9788c687e3e9f2016-11-22Verified
- New Hampshire State AGbd_b50a7bf12bc6a4732016-11-22Verified
- Washington State AGbd_f8a97af7137b80072016-11-22Verified
Show 1 more filing ↓Show fewer ↑up to 1d gap
- South Carolina State AGbd_c8880f90aa7d27ff2016-11-23 · +1dVerified
Filing propagation · 6 filings · 6 states
View merged incident ↗Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.