Every public data breach

47 disclosed this week · 26,367 on record

Calibre CPA Group

Disclosed Aug 26, 201962,114 affectedConfirmed

Official notice

Calibre CPA Group, a business associate (BA), reported that several employees were the victims of an email phishing scheme that affected the protected health information (PHI) of 7,937 individuals. The PHI involved included names and Social Security numbers. In its mitigation efforts, the BA implemented numerous administrative, technical, and security safeguards to better protect its sensitive data. Calibre also retrained its staff on the proper methods of identifying fraudulent email communications. During the investigation, OCR provided the BA with technical assistance on the provisions of the Breach Notification Rule. OCR obtained assurances that the BA implemented the corrective actions noted.

What is known

People affected62,114 (as reported by the organization)
DisclosedAug 26, 2019
DiscoveredApr 16, 2019
HappenedMar 11, 2019
AttackHacking
Data exposedNamesSocial Security numbersPayment cardsFinancialHealth
SectorFinance · US
StatusConfirmed

Sources

Notices filed

History of this record
data_types2026-09-25
["names","ssn","payment-card","financial"] to ["names","ssn","payment-card","financial","health"]by backfillSource
summary2026-09-25
empty to Calibre CPA Group, a business associate (BA), reported that several employees were the victims of an email phishing scheme that affected the protected health information (PHI) of 7,937 individuals. The PHI involved included names and Socialby backfillSource
data_types2026-09-25
[] to ["names","ssn","payment-card","financial"]by backfillSource
records2026-09-25
1801 to 62114by backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 1801by backfillSource
disclosed2026-09-25
2019-09-09 to 2019-08-26by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
discovered2026-09-25
empty to 2019-04-16by 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.

Everything about Calibre CPA Group