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Professional Business Systems, Inc

Disclosed Jul 1, 20211,210,688 affectedConfirmed

Official notice

The business associate (BA), Professional Business Systems dba Practicefirst Medical Management Solutions, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 1,210,688 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, health insurance information, clinical information, and financial information. The BA notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the BA implemented additional administrative, technical, and security safeguards to better protect PHI. Staff were also retrained on obligations to protect and secure PHI.

What is known

People affected1,210,688 (as reported to HHS)
DisclosedJul 1, 2021
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

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

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