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44 disclosed this week · 26,355 on record

NCH Corporation Employee Benefits Plan

Disclosed Dec 5, 20254,055 affectedConfirmed

Official notice

The covered entity (CE), NCH Corporation Employee Benefits Plan, reported that an unauthorized party gained access to its network environment through a zero-day vulnerability in third party software, accessing the protected health information (PHI) of 3,098 individuals. The PHI involved included demographic information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals, and implemented additional administrative, technical, and security safeguards to better protect its PHI.

What is known

People affected4,055 (as reported to HHS)
DisclosedDec 5, 2025
AttackHacking
Data exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

History of this record
disclosed2026-09-25
2026-05-01 to 2025-12-05by backfillSource
summary2026-09-25
empty to The covered entity (CE), NCH Corporation Employee Benefits Plan, reported that an unauthorized party gained access to its network environment through a zero-day vulnerability in third party software, accessing the protected health informatiby backfillSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS OCR), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

Everything about NCH Corporation Employee Benefits Plan