Every public data breach

44 disclosed this week · 26,355 on record

Agency for Community Treatment Services

Disclosed Dec 22, 202073,825 affectedConfirmed

Official notice

The covered entity (CE), Agency for Community Treatment Services, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 73,825 individuals. The PHI involved included names, dates of birth, Social Security numbers, financial and health insurance information, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to better protect its PHI. Further, the CE provided additional training to its workforce regarding best practices for HIPAA privacy and security and the use of the CE’s network systems.

What is known

People affected73,825 (as reported by the organization)
DisclosedDec 22, 2020
HappenedOct 21, 2020
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
summary2026-09-25
empty to The covered entity (CE), Agency for Community Treatment Services, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 73,825 individuals. The PHI involved included names, dates of birth, Soby 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.

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