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Response snapshot Oct 26, 2026, 22:09 UTC

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Disclosed incidenthibp-madisonsquaregardensports

Madison Square Garden Sports breach: 9,796,738 accounts exposed

In June 2026, the sports and entertainment company Madison Square Garden Sports was the target of a ShinyHunters "pay or leak" extortion campaign .

At a glance

Sources
1 source

What to do

If you or your organization used this service, change reused passwords, watch for phishing that uses the exposed data, and check the disclosure for the organization's guidance.

Read Have I Been Pwned: Madison Square Garden Sports (opens a new tab)

What happened

In June 2026, the sports and entertainment company Madison Square Garden Sports was the target of a ShinyHunters "pay or leak" extortion campaign . The group later published the alleged data, which included almost 10M unique email addresses spanning staff and customers, along with extensive personal, employment and customer relationship information.

Related technology

Sources

  1. Primary source

    Have I Been Pwned: Madison Square Garden Sports (opens a new tab)

    Verified breach loaded into Have I Been Pwned: account count, exposed data types, and dates.

    Published Checked

  2. Primary source

    Have I Been Pwned breach API (opens a new tab)

    The breach list that supplied this entry.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, June 24). Madison Square Garden Sports breach: 9,796,738 accounts exposed. https://kevwire.com/record/hibp-madisonsquaregardensports

MLA

"Madison Square Garden Sports breach: 9,796,738 accounts exposed." KEVWire, 24 June 2026, kevwire.com/record/hibp-madisonsquaregardensports.

Chicago

KEVWire. "Madison Square Garden Sports breach: 9,796,738 accounts exposed." Last modified June 24, 2026. https://kevwire.com/record/hibp-madisonsquaregardensports.

Evidence summary (plain text)

Madison Square Garden Sports breach: 9,796,738 accounts exposed (Jun 24, 2026).
In June 2026, the sports and entertainment company Madison Square Garden Sports was the target of a ShinyHunters "pay or leak" extortion campaign . The group later published the alleged data, which included almost 10M unique email addresses spanning staff and customers, along with extensive personal, employment and customer relationship information.
Sources:
Have I Been Pwned: Madison Square Garden Sports: https://haveibeenpwned.com/Breach/MadisonSquareGardenSports
Have I Been Pwned breach API: https://haveibeenpwned.com/api/v3/breaches
Record ID: hibp-madisonsquaregardensports.
Record origin: Ingested record.
AI evidence: Not assessed.
About this data

This record was ingested from a data source. Retrieved: Oct 26, 2026, 21:25 UTC. Ingestion is not an independent editorial investigation.

Verified by Have I Been Pwned. Breach date: 2026-06-05; loaded 2026-06-24. Exposed data: Customer service records, Email addresses, Names, Phone numbers, Physical addresses. Counts are accounts in the loaded data, not necessarily distinct people.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

Record JSON

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