Every public data breach

47 disclosed this week · 26,367 on record

USACS Management Group

Disclosed May 8, 201815,552 affectedConfirmed

Official notice

The business associate (BA), USACS Management Group, reported that multiple employees were the victims of an email phishing attack that compromised the protected health information (PHI) of 15,552 individuals. The PHI involved included names, addresses, health insurance information, Social Security numbers, diagnoses/conditions, lab results, medication information, and other treatment information. The BA notified HHS, affected individuals, the media, and provided substitute notice on its website. The BA also offered complimentary identity theft protection services to those affected. In response to the breach, the BA implemented additional administrative, technical, and security safeguards to better protect PHI. Employees were also retrained on email security.

What is known

People affected15,552 (as reported to HHS)
DisclosedMay 8, 2018
HappenedMar 9, 2018
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
empty to hhsby backfillSource
records2026-09-25
empty to 15552by backfillSource
summary2026-09-25
empty to The business associate (BA), USACS Management Group, reported that multiple employees were the victims of an email phishing attack that compromised the protected health information (PHI) of 15,552 individuals. The PHI involved included nameby 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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