N0nRansomware Victim🇺🇸 US OrganizationHealthcare

Delta Dental of Missouri

dental insurance · United States | The customer relationship database of a dental benefits insurer: 48,528 distinct email addresses and 17,913 telephone number lines recovered by direct read; Member and subscriber service records with full names, social security numbers, dates of birth, home addresses and dental treatment details; Employer group client records with contacts, addresses and phones, and the insurance broker channel that serves them | [NOT PAID — EXPOSED]

Incident Details

Threat Group
N0n
Victim / Organization
Delta Dental of Missouri
Website / Domain
—
Industry Sector
Healthcare
Country / Region
🇺🇸 US
Date Discovered
Wednesday, November 4, 2026

What This Listing Means

Posting on N0n's ransomware leak site typically signals that the threat actor claims to have:

  • ▸Gained unauthorized access to the organization's network via phishing, exposed credentials, or an unpatched vulnerability
  • ▸Exfiltrated sensitive data — potentially including financial records, PII, customer data, or trade secrets
  • ▸Deployed ransomware to encrypt systems and disrupt operations
  • ▸Issued a ransom demand with a deadline to publish all stolen data publicly if unpaid

🇺🇸 US-based organizations hit by ransomware may have mandatory breach notification obligations under state laws, HIPAA (healthcare), SEC regulations (public companies), or CISA guidelines. The notification window is typically 72 hours from discovery.

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