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. 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.
Signal context
First seen: Mar 9, 2026
Last updated: Jun 25, 2026
Status: Public signal
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.
Signal analysis
BetaThis 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.
Sector: Finance and Insurance
Likely country: Location not provided
Watch ransomware, endpoint compromise and business interruption exposure.
- Source type: outside the affected organization
Impact area: Confidentiality, Availability
Likely asset: User or customer data
- 21 signals in the same sector
- 100 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
NCH Corporation Data Breach – Investigated by Federman & Sherwoodhttps://www.federmanlaw.com/blog/nch-corporation-data-breach-investigated-by-federman-sherwood-2/Public source from federmanlaw.com.
NCH Corporation Data Breach Exposes Personal Information: Murphy Law Firm Investigates Legal Claims - GlobeNewswirehttps://www.globenewswire.com/news-release/2026/05/05/3288416/0/en/nch-corporation-data-breach-exposes-personal-information-murphy-law-firm-investigates-legal-claims.htmlPublic source from globenewswire.com.
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