Mount Kisco Surgery Center
Disclosed Jun 25, 202422,139 affectedConfirmed
The covered entity (CE), The Mount Kisco Surgery Center dba The Ambulatory Surgery Center of Westchester, reported that it experienced a hacking incident that affected the protected health information (PHI) of 22,139 individuals. The PHI involved included names, Social Security and drivers’ license or state identification numbers, dates of birth, diagnoses, medications, claims and financial information, and health insurance and treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards. The responsible employee was sanctioned.
What is known
| People affected | 22,139 (as reported to HHS) |
|---|---|
| Disclosed | Jun 25, 2024 |
| Happened | Oct 23, 2023 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.