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44 disclosed this week · 26,355 on record

Massachusetts Department of Developmental Services

Disclosed Mar 11, 20243,800 affectedConfirmed

Official notice

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 affected3,800 (as reported to HHS)
DisclosedMar 11, 2024
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
disclosed2026-09-25
2024-11-08 to 2024-03-11by backfillSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

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