Reported1 source articles · Official disclosure checkedUpdated 5 Nov 2026
NCH Corporation Data Breach
Data breach1 source
What happened
NCH Corporation reported that an unauthorized actor obtained copies of certain files from their network between January 21, 2026, and February 25, 2026, potentially containing sensitive information. The incident was discovered on March 9, 2026. As reported,
AI summary of accepted evidence. Check the original sources for the full context.
Reported impact
An affected population has not been established in the accepted evidence.
- Incident date
- 21 Jan 2026 – 25 Feb 2026
- Discovery date
- 9 Mar 2026
- Data access
- exfiltrated
Source evidence
1Read the original reporting and statements. Multiple articles may rely on the same underlying source.
California Attorney General01
Organization notification filed with California Attorney General
Retrieved 5 Nov 2026
On March 9, 2026, we became aware that an unauthorized actor may have taken files from our network.
Attributed reporting
2 more excerpts
The evidence showed that there was unauthorized activity in our network between January 21, 2026, and February 25, 2026.
Attributed reporting
an unauthorized actor obtained copies of certain files from our network
Attributed reporting
Updates and corrections
All times UTCRevision 3
Confirmation status revised
Revision 2
Incident acknowledged
Revision 1
Incident published