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Case file

Case File: DentaQuest Data Breach

This file collects the dated facts on record for the DentaQuest incident. The state report is dated September 28, 2026.

Timeline

  1. September 28, 2026Report filed in VermontDate the notice was lodged with the Vermont Attorney General.

Case facts

Filing state
Vermont
Date reported
September 28, 2026
Receiving office
Vermont Attorney General

Data categories in the file

  • Full Name
  • Date of Birth
  • Social Security Number
  • Health Insurance ID Number
  • Dental Treatment History
  • Diagnosis and Provider Information
  • Billing and Claims Records
  • Home Address

Case notes

DentaQuest, an administrator of dental benefits and managed care, filed a data breach report with the Vermont Attorney General's office on September 28, 2026. The company disclosed an unspecified cybersecurity incident that led to an unauthorized compromise of its network infrastructure.

The breach exposed a range of highly sensitive personal information. Data types reported as compromised include Full Name, Date of Birth, Social Security Number, Health Insurance ID Number, Dental Treatment History, Diagnosis and Provider Information, Billing and Claims Records, and Home Address.

Such a combination of exposed data carries significant risks for affected individuals. The compromise of Social Security Numbers, alongside detailed health and financial identifiers, increases the potential for identity theft, medical fraud, and targeted financial scams. Unlike credit card numbers, this type of core personal and health data cannot be easily changed, posing a long-term risk.

If you receive a notification about this DentaQuest breach, it is prudent to take protective measures. Regularly monitor your credit reports for any unfamiliar accounts or inquiries. Review all financial statements and Explanation of Benefits (EOB) from your health and dental insurers for unauthorized charges or procedures. Additionally, consider placing a fraud alert or security freeze on your credit files with the major credit bureaus.

Questions about this case file

Where does the DentaQuest case file come from?
Every entry is taken from the breach report DentaQuest lodged with the Vermont Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?
Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?
It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?
Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

More Vermont case files

Vermont data breaches

Filing source: Vermont Attorney General