What was exposed, when it happened, and which databases confirm it.
- accounts
- 9,796,738
- Breached
- June 5, 2026
- Last Update
- June 24, 2026
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
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.
Compromised Info
- Customer service records
- Email addresses
- Names
- Phone numbers
- Physical addresses
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- LeakCheck— linked via automatic string matching
- HIBP
FAQ
What was leaked in the MadisonSquareGardenSports breach?
The MadisonSquareGardenSports breach exposed: Customer service records, Email addresses, Names, Phone numbers, and Physical addresses.
When did the MadisonSquareGardenSports breach happen?
The MadisonSquareGardenSports breach was disclosed on June 5, 2026 and affected 9,796,738 records.
Am I affected by the MadisonSquareGardenSports breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the MadisonSquareGardenSports leak.