HackingRetail & ConsumerHospitalityRetailStolen CredentialsTargetedCustomer Data InvolvedPCIFinancial accountPIILowContained

Madison Square Garden Entertainment Corp.

bd_07b27eb35a2469f7 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 24, 2016

Filed

Nov 22, 2016

To disclose

29 days

Affected

Not disclosed

Linked

6 filings

Confidence

64%

Full breach record for Madison Square Garden Entertainment Corp. →5 incidents on file

The Madison Square Garden Company notified customers of a payment card incident affecting magnetic stripe data swiped at MSG venues between Nov 9, 2015 and Oct 24, 2016. External unauthorized access led to the installation of a program capturing card data. MSG engaged security firms, stopped the access, and notified law enforcement.

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Incident timeline

undetected · 350 days

discovery → filing · 29 days

Nov 9, 2015

Begins

Oct 24, 2016

Discovered

Nov 22, 2016

Filed

vs. sector median

3 wks faster

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Oregon State AGbd_95f9788c687e3e9f2016-11-22Verified
New Hampshire State AGbd_b50a7bf12bc6a4732016-11-22Verified
California State AGbd_bac334239d2900d92016-11-22Verified
Washington State AGbd_f8a97af7137b80072016-11-22Verified

Show 1 more filing ↓up to 1d gap

South Carolina State AGbd_c8880f90aa7d27ff2016-11-23 · +1dVerified

Name: Madison Square Garden Entertainment Corp.
norm: madison square garden entertainment
Domain: msgentertainment.com

Name: Madison Square Garden Entertainment Corp.
norm: madison square garden entertainment
Domain: msgentertainment.com
Industry: Retail & ConsumerllmHospitalityllm

Discovered: Oct 24, 2016
Breach occurred: Nov 9, 2015 – Oct 24, 2016
Undetected for: 350 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 22, 2016
Affected individuals: Not disclosed
Data types: PCIFinancial accountPII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1052 Exfiltration Over Physical Medium
Threat actor: ExternalFinancial
Regulator citations: Working with law enforcement regarding this matter
Initial access: valid_credentials

During the incident: Engaged leading computer security firms to examine its network
Worked with security firms to stop unauthorized access
Implemented enhanced security measures
Working with law enforcement regarding this matter
Set up a dedicated call center for customer inquiries
Changes made: Fixed the issue
Implement enhanced security measures
Continue to work with computer security firms to further strengthen the security of our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 days(29 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Oregon State AGNov 22 · first

New Hampshire State AGNov 22 · first

California State AGNov 22 · first

Washington State AGNov 22 · first

Montana State AGNov 22 · first · this page

South Carolina State AG+1d

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.

Source URL: https://dojmt.gov/wp-content/uploads/Madison-Square-Garden-Company.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 22, 2016
Raw hash: 7743bd7a286d9fc46a65df2e3f5cad0d1a7561ea9fd29ba823b77877515f9a71

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityMadison Square Garden Entertainment Corp.

Victim entityMadison Square Garden Entertainment Corp.

Incidentdiscovered Oct 24, 2016

Stated responseEngaged leading computer security firms to examine its network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov