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44 disclosed this week · 26,355 on record

Comstar

Disclosed May 25, 2022585,621 affectedConfirmed

Official notice

The covered entity (CE), Comstar, LLC, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 585,621 individuals. The PHI involved clinical, demographic, and financial information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals, implemented additional administrative, technical, and security safeguards, and retrained workforce members to better protect its PHI.

What is known

People affected585,621 (as reported to HHS)
DisclosedMay 25, 2022
HappenedMar 19, 2022
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
sector2026-09-25
other to healthby backfillSource
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
organization to hhsby backfillSource
records2026-09-25
164414 to 585621by backfillSource
summary2026-09-25
empty to The covered entity (CE), Comstar, LLC, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 585,621 individuals. The PHI involved clinical, demographic, and financial information. The CEby backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 164414by backfillSource
disclosed2026-09-25
2022-06-14 to 2022-05-25by backfillSource
disclosed2026-09-25
2022-06-30 to 2022-06-14by backfillSource
disclosed2026-09-25
2022-08-22 to 2022-06-30by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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