Every public data breach

44 disclosed this week · 26,355 on record

PracticeMax

Disclosed Jun 30, 2021685,574 affectedConfirmed

Official notice

The business associate (BA), PracticeMax, reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 685,574 individuals. The PHI involved included names, diagnoses, addresses, dates of birth, Social Security numbers, financial information, and other treatment information. The BA notified HHS, affected individuals, and the media. In response to the breach, the BA implemented additional technical safeguards.

What is known

People affected685,574 (as reported to HHS)
DisclosedJun 30, 2021
DiscoveredJun 7, 2022
HappenedApr 17, 2021
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 685574by backfillSource
disclosed2026-09-25
2021-10-19 to 2021-06-30by backfillSource
summary2026-09-25
empty to The business associate (BA), PracticeMax, reported that it was the victim of a ransomware attack affecting the protected health information (PHI) of 685,574 individuals. The PHI involved included names, diagnoses, addresses, dates of birth,by backfillSource
discovered2026-09-25
empty to 2022-06-07by backfillSource
disclosed2026-09-25
2022-06-10 to 2021-10-19by 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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