BioReference Laboratories, Inc., the covered entity (CE), reported that Retrieval-Masters Creditors Bureau, Inc., doing business as American Medical Collection Agency (AMCA), its business associate (BA), was the victim of a cyber-attack that affected the electronic protected health information (ePHI) of 425,749 individuals. The ePHI involved included names, birthdates, clinical information, health insurance information, and treatment information. The CE notified HHS, affected individuals, and the media. As a result of OCR’s investigation, the CE implemented additional administrative safeguards to better protect its sensitive data. As a consequence of this breach incident, the CE terminated its business relationship with the BA.
2026-09-25 · attack: unknown to hacking · backfill source
2026-09-25 · data_types: ["names","payment-card","financial"] to ["names","payment-card","financial","health"] · backfill source
2026-09-25 · records_basis: organization to hhs · backfill source
2026-09-25 · records: 6600 to 425749 · backfill source
2026-09-25 · summary: empty to BioReference Laboratories, Inc., the covered entity (CE), reported that Retrieval-Masters Creditors Bureau, Inc., doing business as American Medical Collection Agency (AMCA), its business associate (BA), was the victim of a cyber-attack tha · backfill source
