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Medium

NCH Corporation Data Breach Discovered on March 9, 2026

NCH Corporation, a global provider of industrial solutions, became aware on March 9, 2026, that an unauthorized actor may have taken files from its network.

Key points

  • Unauthorized activity detected on NCH network between January 21, 2026, and February 25, 2026.
  • NCH became aware of the incident on March 9, 2026.
  • Sensitive personal information of thousands of individuals was accessed and acquired.

Connected intelligence

Signal brief

Follow the organization, likely method and potential impact to explore connected Shadow Tier intelligence.

02

Likely method

Ransomware

Threat source not confirmed

03

Potential impact

Data Exposure

Confidentiality, Availability

Published
Mar 9, 2026
Updated
Jun 25, 2026
Confidence
Medium
Evidence
2 sources

Structured assessment

Signal analysis

This analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.

Threat source

Threat source not confirmed

Watch ransomware, endpoint compromise and business interruption exposure.

Business impact

Potential operational disruption
Impact area
Confidentiality, Availability
Likely asset
User or customer data

Mentioned entities

NchData DisclosureNCH Corporation Data Breach DiscoveredNCH CorporationThe EmbargoUnauthorizedNCHSensitive

Quick context

Questions about this signal

What happened in this signal?

NCH Corporation, a global provider of industrial solutions, became aware on March 9, 2026, that an unauthorized actor may have taken files from its network. An investigation revealed unauthorized activity between January 21, 2026, and February 25, 2026, during which sensitive personal information of thousands of individuals was accessed and acquired. The exposed data included names, dates of birth, Social Security numbers, taxpayer identification numbers, driver's license numbers, passport numbers, financial account information, payment card information, medical information, and health insurance information. The Embargo ransomware group claimed responsibility for exfiltrating over 7.3TB of data.

When was this signal reported?

Shadow Tier lists Mar 9, 2026 as the signal date.

Which organization is connected to this signal?

Nch is the organization connected to this public signal.

Explore Nch
Which attack pattern is relevant?

This signal is connected to current ransomware incidents based on its reported incident context.

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Which impact area is relevant?

This signal is connected to data exposure and breach intelligence based on its reported consequences.

Explore data exposure and breach intelligence