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Mertz Manufacturing Inc Health Insurance Plan

Disclosed Dec 3, 2021868 affectedConfirmed

Official notice

The covered entity (CE), Mertz Manufacturing Health Insurance Plan, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 868 individuals. The PHI involved included names, addresses, dates of birth, and Social Security numbers. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE strengthened its policies and procedures and implemented additional technical safeguards. Staff were retrained.

What is known

People affected868 (as reported to HHS)
DisclosedDec 3, 2021
AttackHacking
Data exposedNamesHealth
SectorInsurance · 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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