- State
- NY
- Covered entity type
- Business Associate
- Individuals affected
- 5,878
- Business associate present
- Yes
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The business associate (BA), M&T Bank, reported that an employee was the victim of a social engineering attack the compromised the protected health information (PHI) of 5,878 individuals. The PHI involved includes names, addresses, financial and health insurance information, diagnoses, medications prescribed, Social Security numbers, drivers’ license numbers, and other treatment information. The BA notified HHS, affected individuals, and the media. In response to the breach, the BA implemented additional administrative and technical safeguards and retrained its staff on fraud and identity theft prevention.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.