Breachesby GlyphMadison Square Garden Sports
Disclosed Jun 24, 20269,796,738 accountsUnverified
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.
What is known
| People affected | 9,796,738 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | Jun 24, 2026 |
| Happened | Jun 5, 2026 |
| Attack | Extortion |
| Data exposed | EmailsNamesPhone numbersAddresses |
| Sector | Tech |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
| Check your email | Have I Been Pwned |
Sources
Notices filed
History of this record
First recordedby backfillSource
First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.