The Sleepy Hollow Country Club

Sleepy Hollow Country Club reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-09-05. 12 Massachusetts residents were affected.

Sleepy Hollow Country Club reported unauthorized access to its IT systems in May 2025, affecting one Nebraska resident. Personal information, including names and Social Security Numbers, may have been accessed. The club notified the FBI, engaged cybersecurity specialists, and began notifying affected individuals on September 5, 2025, offering one year of credit monitoring.

Sleepy Hollow Country Club reported an external system breach (hacking) on May 21, 2025, discovered in May 2025. The incident affected 1,072 individuals, including 3 Maine residents. Personal information accessed included names and financial information. The club notified the FBI, engaged cybersecurity specialists, and provided 12 months of credit monitoring to affected individuals.

Sleepy Hollow Country Club is a private country club located in S carborough, New York. We are going to upload about 14 GB of corporate data. Confidentia l agreements, a lot of employee personal information (DOB, passpo rts, social security cards, addresses, phones, emails, and so on) , detailed financial data, a bit of client data, contracts and ag reements, NDAs, etc.