- State
- MA
- Covered entity type
- Business Associate
- Individuals affected
- 85,133
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The covered entity (CE), Mystic Valley Elder Services, reported that it was the subject of a ransomware attack that affected the protected health information (PHI) of 85,133 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license and Social Security numbers, financial and claims information, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented multi-factor authentication, updated its firewall and back-up solutions, and implemented additional technical safeguards.
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.