Every public data breach

44 disclosed this week · 26,355 on record

Montgomery County Board of Developmental Disabilities Services

Disclosed Apr 18, 202411,447 affectedConfirmed

Official notice

The covered entity (CE), Montgomery County Board of Developmental Disabilities Services, reported that it experienced a hacking incident that affected the protected health information (PHI) of 8,819 individuals. The PHI involved included names, addresses, dates of birth, social security and drivers’ license numbers, financial and claims information, and diagnoses and conditions. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE implemented additional technical and security safeguards. OCR provided technical assistance.

What is known

People affected11,447 (as reported by the organization)
DisclosedApr 18, 2024
HappenedFeb 20, 2024
AttackHacking
Data exposedNamesHealth
SectorGovernment · US
StatusConfirmed

Sources

Notices filed

History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
disclosed2026-09-25
2024-06-10 to 2024-04-18by backfillSource
summary2026-09-25
empty to The covered entity (CE), Montgomery County Board of Developmental Disabilities Services, reported that it experienced a hacking incident that affected the protected health information (PHI) of 8,819 individuals. The PHI involved included naby backfillSource
Added2026-09-25
First recordedby backfillSource

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

Everything about Montgomery County Board of Developmental Disabilities Services