Every public data breach

47 disclosed this week · 26,367 on record

QRS

Disclosed Oct 22, 2021430,334 affectedConfirmed

Official notice

QRS, the business associate (BA), reported that it experienced a hacking attack that compromised the protected health information (PHI) of 430,334 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, diagnoses, lab results, and medications. The BA notified HHS, affected individuals, the media, and published substitute notice on its homepage. In its mitigation efforts, the BA implemented additional administrative, technical, and security safeguards. OCR provided technical assistance regarding the HIPAA Rules.

What is known

People affected430,334 (as reported to HHS)
DisclosedOct 22, 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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