# Ransomware group claims attack on Delta Dental of Missouri

By Ali Peivandizadeh, business growth and AI implementation specialist.
Published Nov 13, 2026. Last checked Nov 13, 2026. Last changed Nov 13, 2026.
Section: News
Who it is for: Dental offices. All sizes. Owner, manager.

A ransomware group says it took member data from Delta Dental of Missouri, and the insurer says it is investigating.

## The facts
- Becker's Dental Review reported the claim on Nov 5, 2026.
- A group called n0n posted the claim, according to two sites that track such postings.
- The group says the data includes member names, Social Security numbers, birth dates, addresses and dental treatment details.
- The breach is not confirmed. Delta Dental of Missouri says it has hired outside forensic specialists and that its systems are working.
- The report does not say how many people are affected.

## What it means for you
The claim concerns the insurer's systems. No dental office has been named.

## Sources
- Becker's Dental Review, trade publication, Nov 5, 2026: https://www.beckersdental.com/?p=28227

General business information, not medical or legal advice.

Page: https://healthcaregrowthjournal.com/news/ransomware-group-claims-delta-dental-of-missouri/