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Tosoh America, Inc.

ArchivedSubmitted 06/17/2022
State
OH
Covered entity type
Health Plan
Individuals affected
880
Business associate present
No
Type of breach
Hacking/IT Incident
Location of breached information
Email
First seen by InfoSec Signals
9/23/2026
Last seen in OCR export
9/23/2026

OCR description

Tosoh America, the covered entity (CE), reported that multiple employees were the subjects of an email phishing scheme that compromised the protected health information (PHI) of 880 individuals. The PHI involved included names, dates of birth, and Social Security numbers. The CE notified HHS and the affected individuals. In its mitigation efforts, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards. Staff were retrained on email security precautions. OCR provided technical assistance regarding the HIPAA Rules.

Change history

  • 9/23/2026Added to OCR's archive list

Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.