Massachusetts Department of Developmental Services
Disclosed Mar 11, 20242 years ago3,800 affectedConfirmed
The covered entity (CE), Massachusetts Department of Developmental Services, reported that several employees were the subjects of an email phishing scheme that compromised the protected health information (PHI) of 3,800 individuals. The PHI involved included demographic, clinical, and financial information. The CE notified HHS, the affected individuals, and the media. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to better protect its sensitive data. All staff were retrained.
What is known
| People affected | 3,800 (as reported to HHS) |
|---|---|
| Disclosed | Mar 11, 2024 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Massachusetts Department of Developmental Services (Healthcare Provider, MA)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Mar 11, 2024 | 500 |
| HHS archivetotal | Nov 8, 2024 | 3,800 |
History of this record
- 2026-09-25 · disclosed: 2024-11-08 to 2024-03-11 · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.
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